<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2021 Workiva-->
<!--r:540d5810-a7a2-4297-9490-58e1609c5132,g:e7f6de9a-fc08-4232-8943-a1f5cbd02b77-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.powellind.com/role/CoverPage" xlink:type="simple" xlink:href="powl-20210630.xsd#CoverPage"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/CoverPage" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract_4ae4e8b6-faad-4449-8af4-078a55c8963a" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_c7dd392e-7d12-4af2-8f0d-b3e85a0674c8" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_DocumentType"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4ae4e8b6-faad-4449-8af4-078a55c8963a" xlink:to="loc_dei_DocumentType_c7dd392e-7d12-4af2-8f0d-b3e85a0674c8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentQuarterlyReport_ff29de12-a195-4e40-9c28-9cd72660fc5d" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_DocumentQuarterlyReport"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4ae4e8b6-faad-4449-8af4-078a55c8963a" xlink:to="loc_dei_DocumentQuarterlyReport_ff29de12-a195-4e40-9c28-9cd72660fc5d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_b4992f4a-17ef-4942-8eaa-05d62db38280" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_DocumentPeriodEndDate"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4ae4e8b6-faad-4449-8af4-078a55c8963a" xlink:to="loc_dei_DocumentPeriodEndDate_b4992f4a-17ef-4942-8eaa-05d62db38280" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentTransitionReport_07fb38d2-858d-42b6-8a96-7379a1164643" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_DocumentTransitionReport"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4ae4e8b6-faad-4449-8af4-078a55c8963a" xlink:to="loc_dei_DocumentTransitionReport_07fb38d2-858d-42b6-8a96-7379a1164643" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_f965174c-f31e-450f-a03f-48ddc462fbab" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityFileNumber"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4ae4e8b6-faad-4449-8af4-078a55c8963a" xlink:to="loc_dei_EntityFileNumber_f965174c-f31e-450f-a03f-48ddc462fbab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_93de9a77-b671-436c-b747-6cdafb77939b" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityRegistrantName"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4ae4e8b6-faad-4449-8af4-078a55c8963a" xlink:to="loc_dei_EntityRegistrantName_93de9a77-b671-436c-b747-6cdafb77939b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_85a300fa-8de8-45cd-936a-ad85047947cc" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4ae4e8b6-faad-4449-8af4-078a55c8963a" xlink:to="loc_dei_EntityIncorporationStateCountryCode_85a300fa-8de8-45cd-936a-ad85047947cc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_161ccf0c-8f20-40fd-b7e3-166f5f40710f" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4ae4e8b6-faad-4449-8af4-078a55c8963a" xlink:to="loc_dei_EntityTaxIdentificationNumber_161ccf0c-8f20-40fd-b7e3-166f5f40710f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_8beb39d9-5edf-41bd-8c44-b4187e68905a" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityAddressAddressLine1"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4ae4e8b6-faad-4449-8af4-078a55c8963a" xlink:to="loc_dei_EntityAddressAddressLine1_8beb39d9-5edf-41bd-8c44-b4187e68905a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_e9dd7454-1094-417f-8da6-1e46c1da38db" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityAddressCityOrTown"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4ae4e8b6-faad-4449-8af4-078a55c8963a" xlink:to="loc_dei_EntityAddressCityOrTown_e9dd7454-1094-417f-8da6-1e46c1da38db" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_2aca6b23-55aa-4597-bb8d-2fc03654b845" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityAddressStateOrProvince"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4ae4e8b6-faad-4449-8af4-078a55c8963a" xlink:to="loc_dei_EntityAddressStateOrProvince_2aca6b23-55aa-4597-bb8d-2fc03654b845" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_093a8090-a719-4953-b975-33bbecf0b53e" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityAddressPostalZipCode"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4ae4e8b6-faad-4449-8af4-078a55c8963a" xlink:to="loc_dei_EntityAddressPostalZipCode_093a8090-a719-4953-b975-33bbecf0b53e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_d3627261-4eac-4a96-8417-f9dc7dd17652" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_CityAreaCode"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4ae4e8b6-faad-4449-8af4-078a55c8963a" xlink:to="loc_dei_CityAreaCode_d3627261-4eac-4a96-8417-f9dc7dd17652" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_f02e238b-c49f-40f8-82fa-5ff3e09f47c1" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_LocalPhoneNumber"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4ae4e8b6-faad-4449-8af4-078a55c8963a" xlink:to="loc_dei_LocalPhoneNumber_f02e238b-c49f-40f8-82fa-5ff3e09f47c1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_cc56ad2a-f04d-42df-9d74-61adc073fb3b" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_Security12bTitle"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4ae4e8b6-faad-4449-8af4-078a55c8963a" xlink:to="loc_dei_Security12bTitle_cc56ad2a-f04d-42df-9d74-61adc073fb3b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_81447f68-2f3a-415a-ac2c-0512c511ba8c" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_TradingSymbol"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4ae4e8b6-faad-4449-8af4-078a55c8963a" xlink:to="loc_dei_TradingSymbol_81447f68-2f3a-415a-ac2c-0512c511ba8c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_84a39cb9-5ee4-48a6-a3d6-61379bb4b776" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_SecurityExchangeName"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4ae4e8b6-faad-4449-8af4-078a55c8963a" xlink:to="loc_dei_SecurityExchangeName_84a39cb9-5ee4-48a6-a3d6-61379bb4b776" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCurrentReportingStatus_0f531f39-e0f4-44ac-af7c-c316db133a52" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityCurrentReportingStatus"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4ae4e8b6-faad-4449-8af4-078a55c8963a" xlink:to="loc_dei_EntityCurrentReportingStatus_0f531f39-e0f4-44ac-af7c-c316db133a52" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInteractiveDataCurrent_9207a2e0-ea91-485d-b1bf-4f568edcc851" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityInteractiveDataCurrent"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4ae4e8b6-faad-4449-8af4-078a55c8963a" xlink:to="loc_dei_EntityInteractiveDataCurrent_9207a2e0-ea91-485d-b1bf-4f568edcc851" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFilerCategory_93d0c254-f2f1-4f6a-bb70-d1375f3ee381" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityFilerCategory"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4ae4e8b6-faad-4449-8af4-078a55c8963a" xlink:to="loc_dei_EntityFilerCategory_93d0c254-f2f1-4f6a-bb70-d1375f3ee381" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntitySmallBusiness_67123040-5eeb-4165-9c36-208ec57babb9" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntitySmallBusiness"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4ae4e8b6-faad-4449-8af4-078a55c8963a" xlink:to="loc_dei_EntitySmallBusiness_67123040-5eeb-4165-9c36-208ec57babb9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_c36dbbca-f4f6-4188-b9b5-480eecda3f98" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4ae4e8b6-faad-4449-8af4-078a55c8963a" xlink:to="loc_dei_EntityEmergingGrowthCompany_c36dbbca-f4f6-4188-b9b5-480eecda3f98" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityShellCompany_51b44879-a597-4395-80f9-b2b066e78806" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityShellCompany"/>
    <link:presentationArc order="23" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4ae4e8b6-faad-4449-8af4-078a55c8963a" xlink:to="loc_dei_EntityShellCompany_51b44879-a597-4395-80f9-b2b066e78806" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_520e6bc9-6a26-4b18-9ff7-2af81cc2af9f" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityCommonStockSharesOutstanding"/>
    <link:presentationArc order="24" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4ae4e8b6-faad-4449-8af4-078a55c8963a" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_520e6bc9-6a26-4b18-9ff7-2af81cc2af9f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_d4a0426e-5310-4500-ade4-b75728a38711" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityCentralIndexKey"/>
    <link:presentationArc order="25" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4ae4e8b6-faad-4449-8af4-078a55c8963a" xlink:to="loc_dei_EntityCentralIndexKey_d4a0426e-5310-4500-ade4-b75728a38711" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_8663addb-0cc6-4e64-ae08-dfdfa30e0086" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_AmendmentFlag"/>
    <link:presentationArc order="26" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4ae4e8b6-faad-4449-8af4-078a55c8963a" xlink:to="loc_dei_AmendmentFlag_8663addb-0cc6-4e64-ae08-dfdfa30e0086" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalYearFocus_abeb27a0-3e0d-4b89-a96c-7e260556d892" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_DocumentFiscalYearFocus"/>
    <link:presentationArc order="27" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4ae4e8b6-faad-4449-8af4-078a55c8963a" xlink:to="loc_dei_DocumentFiscalYearFocus_abeb27a0-3e0d-4b89-a96c-7e260556d892" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalPeriodFocus_874168c0-3d87-476f-955a-fecc399eef1a" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_DocumentFiscalPeriodFocus"/>
    <link:presentationArc order="28" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4ae4e8b6-faad-4449-8af4-078a55c8963a" xlink:to="loc_dei_DocumentFiscalPeriodFocus_874168c0-3d87-476f-955a-fecc399eef1a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate_944c64a8-dfdd-4a8e-8496-7c73f20058c9" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_CurrentFiscalYearEndDate"/>
    <link:presentationArc order="29" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_4ae4e8b6-faad-4449-8af4-078a55c8963a" xlink:to="loc_dei_CurrentFiscalYearEndDate_944c64a8-dfdd-4a8e-8496-7c73f20058c9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/CondensedConsolidatedBalanceSheetsUnaudited" xlink:type="simple" xlink:href="powl-20210630.xsd#CondensedConsolidatedBalanceSheetsUnaudited"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/CondensedConsolidatedBalanceSheetsUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_ccfd420c-bc88-43a4-bb21-d2da3f2e226f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract_da18a71e-e813-448b-8abd-b16da031a59d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_ccfd420c-bc88-43a4-bb21-d2da3f2e226f" xlink:to="loc_us-gaap_AssetsAbstract_da18a71e-e813-448b-8abd-b16da031a59d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrentAbstract_e03635c9-7139-41b9-9b2a-484c931fd908" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsCurrentAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_da18a71e-e813-448b-8abd-b16da031a59d" xlink:to="loc_us-gaap_AssetsCurrentAbstract_e03635c9-7139-41b9-9b2a-484c931fd908" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_2032e832-5574-44f0-aa62-62a7c6d84580" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_e03635c9-7139-41b9-9b2a-484c931fd908" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_2032e832-5574-44f0-aa62-62a7c6d84580" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermInvestments_dc7b4232-af2b-4ec9-a1da-16c2a1fef93e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShortTermInvestments"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_e03635c9-7139-41b9-9b2a-484c931fd908" xlink:to="loc_us-gaap_ShortTermInvestments_dc7b4232-af2b-4ec9-a1da-16c2a1fef93e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_bde0e591-ccb1-431b-a7a6-4b341fffec48" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_e03635c9-7139-41b9-9b2a-484c931fd908" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_bde0e591-ccb1-431b-a7a6-4b341fffec48" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetNetCurrent_ddc96a35-74fc-4986-9542-a2ecc19d131e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerAssetNetCurrent"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_e03635c9-7139-41b9-9b2a-484c931fd908" xlink:to="loc_us-gaap_ContractWithCustomerAssetNetCurrent_ddc96a35-74fc-4986-9542-a2ecc19d131e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_3331c372-43b4-43fb-8abb-27a047435281" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InventoryNet"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_e03635c9-7139-41b9-9b2a-484c931fd908" xlink:to="loc_us-gaap_InventoryNet_3331c372-43b4-43fb-8abb-27a047435281" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxesReceivable_7a731f72-b84c-47f4-aa0f-2a1462244b1f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxesReceivable"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_e03635c9-7139-41b9-9b2a-484c931fd908" xlink:to="loc_us-gaap_IncomeTaxesReceivable_7a731f72-b84c-47f4-aa0f-2a1462244b1f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseCurrent_38ea40c8-334b-4333-8c1b-f09af9a4365c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PrepaidExpenseCurrent"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_e03635c9-7139-41b9-9b2a-484c931fd908" xlink:to="loc_us-gaap_PrepaidExpenseCurrent_38ea40c8-334b-4333-8c1b-f09af9a4365c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_1f0b885e-8d5f-40f2-ad3e-69fdc7eb52c7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_e03635c9-7139-41b9-9b2a-484c931fd908" xlink:to="loc_us-gaap_OtherAssetsCurrent_1f0b885e-8d5f-40f2-ad3e-69fdc7eb52c7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_dfa2644b-2c35-4977-a0d7-f3077cc08da3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsCurrent"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_e03635c9-7139-41b9-9b2a-484c931fd908" xlink:to="loc_us-gaap_AssetsCurrent_dfa2644b-2c35-4977-a0d7-f3077cc08da3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_41996994-0da8-48e6-b490-b1fb61a13b82" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_da18a71e-e813-448b-8abd-b16da031a59d" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_41996994-0da8-48e6-b490-b1fb61a13b82" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_32903b7a-452e-4b32-a734-19a1cefe6660" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_da18a71e-e813-448b-8abd-b16da031a59d" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_32903b7a-452e-4b32-a734-19a1cefe6660" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetIncludingGoodwill_0994b188-e933-432e-891a-964b2cceb0b8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IntangibleAssetsNetIncludingGoodwill"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_da18a71e-e813-448b-8abd-b16da031a59d" xlink:to="loc_us-gaap_IntangibleAssetsNetIncludingGoodwill_0994b188-e933-432e-891a-964b2cceb0b8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_a4db11c7-aa3d-4e9d-b57c-6c6cd3e6262c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_da18a71e-e813-448b-8abd-b16da031a59d" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_a4db11c7-aa3d-4e9d-b57c-6c6cd3e6262c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_acc0697f-9665-49b0-9efb-181a460e6cb2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_da18a71e-e813-448b-8abd-b16da031a59d" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_acc0697f-9665-49b0-9efb-181a460e6cb2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_f20f9ac9-ed3a-4339-bb1a-20eb97834207" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Assets"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_da18a71e-e813-448b-8abd-b16da031a59d" xlink:to="loc_us-gaap_Assets_f20f9ac9-ed3a-4339-bb1a-20eb97834207" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_d501c117-c5dc-43ca-a4a9-4e1721b0b474" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_ccfd420c-bc88-43a4-bb21-d2da3f2e226f" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_d501c117-c5dc-43ca-a4a9-4e1721b0b474" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_c861d03f-50bd-46b9-8686-073dce322573" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_d501c117-c5dc-43ca-a4a9-4e1721b0b474" xlink:to="loc_us-gaap_LiabilitiesCurrentAbstract_c861d03f-50bd-46b9-8686-073dce322573" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_524afce5-0825-45ce-a8dd-cab8c0c13864" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_c861d03f-50bd-46b9-8686-073dce322573" xlink:to="loc_us-gaap_LongTermDebtCurrent_524afce5-0825-45ce-a8dd-cab8c0c13864" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_71382c6f-b041-437d-9c32-2c5a4dea0fca" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_c861d03f-50bd-46b9-8686-073dce322573" xlink:to="loc_us-gaap_AccountsPayableCurrent_71382c6f-b041-437d-9c32-2c5a4dea0fca" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_a532f156-9621-4dfa-a9ef-6888ec72a01d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_c861d03f-50bd-46b9-8686-073dce322573" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_a532f156-9621-4dfa-a9ef-6888ec72a01d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_fde8a53a-5590-45cc-8655-2c8aa5fdb2d9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_c861d03f-50bd-46b9-8686-073dce322573" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_fde8a53a-5590-45cc-8655-2c8aa5fdb2d9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_093d3307-f064-47b8-8151-90257bd7e02f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProductWarrantyAccrualClassifiedCurrent"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_c861d03f-50bd-46b9-8686-073dce322573" xlink:to="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_093d3307-f064-47b8-8151-90257bd7e02f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_dc594c60-85a0-4c3f-a6f2-9f12795533e7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_c861d03f-50bd-46b9-8686-073dce322573" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_dc594c60-85a0-4c3f-a6f2-9f12795533e7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedIncomeTaxesCurrent_507a6234-a444-48e6-80c9-96675d3e6762" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccruedIncomeTaxesCurrent"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_c861d03f-50bd-46b9-8686-073dce322573" xlink:to="loc_us-gaap_AccruedIncomeTaxesCurrent_507a6234-a444-48e6-80c9-96675d3e6762" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_71573f26-9050-4a3d-aeb1-ec307cba6fbd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherAccruedLiabilitiesCurrent"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_c861d03f-50bd-46b9-8686-073dce322573" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrent_71573f26-9050-4a3d-aeb1-ec307cba6fbd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_f547030f-f170-4f00-8c59-5b63c9e4ea36" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_c861d03f-50bd-46b9-8686-073dce322573" xlink:to="loc_us-gaap_LiabilitiesCurrent_f547030f-f170-4f00-8c59-5b63c9e4ea36" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_26b832c8-b95c-43ba-9f88-d64235150dc8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_d501c117-c5dc-43ca-a4a9-4e1721b0b474" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_26b832c8-b95c-43ba-9f88-d64235150dc8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_18c01cb3-8827-4961-b964-2b91854295e9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_d501c117-c5dc-43ca-a4a9-4e1721b0b474" xlink:to="loc_us-gaap_DeferredCompensationLiabilityClassifiedNoncurrent_18c01cb3-8827-4961-b964-2b91854295e9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_8f47e7b6-a3de-4aa4-9b6b-5d05ec058f5e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_d501c117-c5dc-43ca-a4a9-4e1721b0b474" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_8f47e7b6-a3de-4aa4-9b6b-5d05ec058f5e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_591b2278-b93f-472f-a4db-d6e2ea4a45e3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_d501c117-c5dc-43ca-a4a9-4e1721b0b474" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_591b2278-b93f-472f-a4db-d6e2ea4a45e3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_6d9c972f-9e23-467a-84a1-b7046834b61b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Liabilities"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_d501c117-c5dc-43ca-a4a9-4e1721b0b474" xlink:to="loc_us-gaap_Liabilities_6d9c972f-9e23-467a-84a1-b7046834b61b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_f74068cc-aa6f-401e-a72c-3000da8337d3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_d501c117-c5dc-43ca-a4a9-4e1721b0b474" xlink:to="loc_us-gaap_CommitmentsAndContingencies_f74068cc-aa6f-401e-a72c-3000da8337d3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityAbstract_660e3518-4e22-449d-8d20-396b78f4e0dc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquityAbstract"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_d501c117-c5dc-43ca-a4a9-4e1721b0b474" xlink:to="loc_us-gaap_StockholdersEquityAbstract_660e3518-4e22-449d-8d20-396b78f4e0dc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_e58b38ca-8dd6-4178-8216-6d9c1a53ad03" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockValue"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_660e3518-4e22-449d-8d20-396b78f4e0dc" xlink:to="loc_us-gaap_PreferredStockValue_e58b38ca-8dd6-4178-8216-6d9c1a53ad03" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValueOutstanding_30dca2a8-1fd8-4501-969c-336340fd3ed5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockValueOutstanding"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_660e3518-4e22-449d-8d20-396b78f4e0dc" xlink:to="loc_us-gaap_CommonStockValueOutstanding_30dca2a8-1fd8-4501-969c-336340fd3ed5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_ce398eb8-a588-4382-ac22-b980a6dd7b10" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_660e3518-4e22-449d-8d20-396b78f4e0dc" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_ce398eb8-a588-4382-ac22-b980a6dd7b10" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_76cb5602-4100-427a-96f7-43675f5ce537" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_660e3518-4e22-449d-8d20-396b78f4e0dc" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_76cb5602-4100-427a-96f7-43675f5ce537" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValue_05e45a01-3a93-4556-b82f-d54f5aa6309c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TreasuryStockValue"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_660e3518-4e22-449d-8d20-396b78f4e0dc" xlink:to="loc_us-gaap_TreasuryStockValue_05e45a01-3a93-4556-b82f-d54f5aa6309c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_391679ca-e3fd-4991-9d30-97bfa7dadc0c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_660e3518-4e22-449d-8d20-396b78f4e0dc" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_391679ca-e3fd-4991-9d30-97bfa7dadc0c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_59725ed7-56f5-4999-9a30-e1c043922728" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquity"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_660e3518-4e22-449d-8d20-396b78f4e0dc" xlink:to="loc_us-gaap_StockholdersEquity_59725ed7-56f5-4999-9a30-e1c043922728" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_aa85b56d-5efc-40fd-b5bc-9ad31bee73bc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_d501c117-c5dc-43ca-a4a9-4e1721b0b474" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_aa85b56d-5efc-40fd-b5bc-9ad31bee73bc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/CondensedConsolidatedBalanceSheetsUnauditedParenthetical" xlink:type="simple" xlink:href="powl-20210630.xsd#CondensedConsolidatedBalanceSheetsUnauditedParenthetical"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/CondensedConsolidatedBalanceSheetsUnauditedParenthetical" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_a42ad104-1a0a-4c6c-a6c5-20aac38b5f45" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_6830b30a-6003-423e-b354-1a56cddaa2df" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_a42ad104-1a0a-4c6c-a6c5-20aac38b5f45" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_6830b30a-6003-423e-b354-1a56cddaa2df" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_7e400eea-8cc4-435b-8926-22d92b34a5e2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_a42ad104-1a0a-4c6c-a6c5-20aac38b5f45" xlink:to="loc_us-gaap_PreferredStockParOrStatedValuePerShare_7e400eea-8cc4-435b-8926-22d92b34a5e2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_cc1216bb-cfef-4516-ba05-c9f5ff151da1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockSharesAuthorized"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_a42ad104-1a0a-4c6c-a6c5-20aac38b5f45" xlink:to="loc_us-gaap_PreferredStockSharesAuthorized_cc1216bb-cfef-4516-ba05-c9f5ff151da1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_c820c8b4-f900-4918-96cc-be29d51012a6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_a42ad104-1a0a-4c6c-a6c5-20aac38b5f45" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_c820c8b4-f900-4918-96cc-be29d51012a6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_19abfc89-afc1-46bf-8439-6a82eb45f4bd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockSharesAuthorized"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_a42ad104-1a0a-4c6c-a6c5-20aac38b5f45" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_19abfc89-afc1-46bf-8439-6a82eb45f4bd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesIssued_07a351a7-10d7-4b07-82ba-a9720386ab2a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockSharesIssued"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_a42ad104-1a0a-4c6c-a6c5-20aac38b5f45" xlink:to="loc_us-gaap_CommonStockSharesIssued_07a351a7-10d7-4b07-82ba-a9720386ab2a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockShares_0637a0a9-b319-49c1-946d-5116159517af" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TreasuryStockShares"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_a42ad104-1a0a-4c6c-a6c5-20aac38b5f45" xlink:to="loc_us-gaap_TreasuryStockShares_0637a0a9-b319-49c1-946d-5116159517af" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/CondensedConsolidatedStatementsofOperationsUnaudited" xlink:type="simple" xlink:href="powl-20210630.xsd#CondensedConsolidatedStatementsofOperationsUnaudited"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/CondensedConsolidatedStatementsofOperationsUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementAbstract_29f656db-2e41-45ce-870f-d72a857010e2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_e37b9961-883c-4198-afac-ba581687e5c8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_29f656db-2e41-45ce-870f-d72a857010e2" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_e37b9961-883c-4198-afac-ba581687e5c8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_5e833e5a-2e71-4848-bb66-1cd81cc5e6ee" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_29f656db-2e41-45ce-870f-d72a857010e2" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_5e833e5a-2e71-4848-bb66-1cd81cc5e6ee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_331ab0b1-d4b7-4f49-b684-fbb5c04015b0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GrossProfit"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_29f656db-2e41-45ce-870f-d72a857010e2" xlink:to="loc_us-gaap_GrossProfit_331ab0b1-d4b7-4f49-b684-fbb5c04015b0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_e7594420-cdce-4c7c-a4d5-68213ffd6773" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_29f656db-2e41-45ce-870f-d72a857010e2" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_e7594420-cdce-4c7c-a4d5-68213ffd6773" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_685d424b-240c-41df-9a40-1d3c216ec6ae" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_29f656db-2e41-45ce-870f-d72a857010e2" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_685d424b-240c-41df-9a40-1d3c216ec6ae" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_3adb6fcc-030d-4bea-9dec-2d8ed2ce8e36" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_29f656db-2e41-45ce-870f-d72a857010e2" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_3adb6fcc-030d-4bea-9dec-2d8ed2ce8e36" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_48354c74-d065-4e8e-aac6-2c37610d502c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestructuringCharges"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_29f656db-2e41-45ce-870f-d72a857010e2" xlink:to="loc_us-gaap_RestructuringCharges_48354c74-d065-4e8e-aac6-2c37610d502c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_36647ae4-b954-48d4-8b3f-5c723beea6c7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_29f656db-2e41-45ce-870f-d72a857010e2" xlink:to="loc_us-gaap_OperatingIncomeLoss_36647ae4-b954-48d4-8b3f-5c723beea6c7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_97058152-15a1-4bef-9792-fce14daf3a78" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestExpense"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_29f656db-2e41-45ce-870f-d72a857010e2" xlink:to="loc_us-gaap_InterestExpense_97058152-15a1-4bef-9792-fce14daf3a78" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeInterest_1e2fad5e-22c7-4fe5-a37e-ec776cfd5df0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InvestmentIncomeInterest"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_29f656db-2e41-45ce-870f-d72a857010e2" xlink:to="loc_us-gaap_InvestmentIncomeInterest_1e2fad5e-22c7-4fe5-a37e-ec776cfd5df0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_b16eaee3-b352-4643-b84e-27a3cc54a67a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_29f656db-2e41-45ce-870f-d72a857010e2" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_b16eaee3-b352-4643-b84e-27a3cc54a67a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_afac4268-68ca-4633-b611-5349030b1671" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_29f656db-2e41-45ce-870f-d72a857010e2" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_afac4268-68ca-4633-b611-5349030b1671" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_a20cb121-d2cb-4237-96a6-fbbdefa65055" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_29f656db-2e41-45ce-870f-d72a857010e2" xlink:to="loc_us-gaap_NetIncomeLoss_a20cb121-d2cb-4237-96a6-fbbdefa65055" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract_c65af54e-28a4-4a0a-bd5b-30a7c598ebfb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EarningsPerShareAbstract"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_29f656db-2e41-45ce-870f-d72a857010e2" xlink:to="loc_us-gaap_EarningsPerShareAbstract_c65af54e-28a4-4a0a-bd5b-30a7c598ebfb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_24bcda88-5576-4611-bfcc-0b9b368e4c82" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_c65af54e-28a4-4a0a-bd5b-30a7c598ebfb" xlink:to="loc_us-gaap_EarningsPerShareBasic_24bcda88-5576-4611-bfcc-0b9b368e4c82" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_515759fa-71ea-43bc-bcad-82d83e3d691b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_c65af54e-28a4-4a0a-bd5b-30a7c598ebfb" xlink:to="loc_us-gaap_EarningsPerShareDiluted_515759fa-71ea-43bc-bcad-82d83e3d691b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_8bd3ad9c-91ae-474e-96a2-4c25ab9dd57e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_c65af54e-28a4-4a0a-bd5b-30a7c598ebfb" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_8bd3ad9c-91ae-474e-96a2-4c25ab9dd57e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_4734ec5b-8434-4469-b097-3e45a310a79d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_8bd3ad9c-91ae-474e-96a2-4c25ab9dd57e" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_4734ec5b-8434-4469-b097-3e45a310a79d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_426d8d03-95b4-45b2-96e0-16190a969b44" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_8bd3ad9c-91ae-474e-96a2-4c25ab9dd57e" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_426d8d03-95b4-45b2-96e0-16190a969b44" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_914d632c-78c3-4753-846b-90b2f48f0cd9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_c65af54e-28a4-4a0a-bd5b-30a7c598ebfb" xlink:to="loc_us-gaap_CommonStockDividendsPerShareDeclared_914d632c-78c3-4753-846b-90b2f48f0cd9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/CondensedConsolidatedStatementsofComprehensiveIncomeUnaudited" xlink:type="simple" xlink:href="powl-20210630.xsd#CondensedConsolidatedStatementsofComprehensiveIncomeUnaudited"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/CondensedConsolidatedStatementsofComprehensiveIncomeUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_38a00aa7-5da7-4132-b945-4c98ab4f15a1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_18def537-0b36-483a-95a8-94d058848209" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_38a00aa7-5da7-4132-b945-4c98ab4f15a1" xlink:to="loc_us-gaap_NetIncomeLoss_18def537-0b36-483a-95a8-94d058848209" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_f4b54e2d-e714-43bf-a1f1-97575f1b3742" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_38a00aa7-5da7-4132-b945-4c98ab4f15a1" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_f4b54e2d-e714-43bf-a1f1-97575f1b3742" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_f2d80464-d34e-453e-b056-e59a88e1d4b0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_38a00aa7-5da7-4132-b945-4c98ab4f15a1" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_f2d80464-d34e-453e-b056-e59a88e1d4b0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/CondensedConsolidatedStatementsofStockholdersEquityUnaudited" xlink:type="simple" xlink:href="powl-20210630.xsd#CondensedConsolidatedStatementsofStockholdersEquityUnaudited"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/CondensedConsolidatedStatementsofStockholdersEquityUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfStockholdersEquityAbstract_08688e20-1b29-4865-943c-b9a1f152317d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_42a4e13e-20b1-4b72-b986-972c483ebf92" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfStockholdersEquityAbstract_08688e20-1b29-4865-943c-b9a1f152317d" xlink:to="loc_us-gaap_StatementTable_42a4e13e-20b1-4b72-b986-972c483ebf92" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_14bc20a6-187a-48dc-bead-aefaac6b813f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_42a4e13e-20b1-4b72-b986-972c483ebf92" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_14bc20a6-187a-48dc-bead-aefaac6b813f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_833a35c1-ad44-4a96-9006-0a88e00592a0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityComponentDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_14bc20a6-187a-48dc-bead-aefaac6b813f" xlink:to="loc_us-gaap_EquityComponentDomain_833a35c1-ad44-4a96-9006-0a88e00592a0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_5b14626a-180d-450a-863a-39653bb3dc8f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_833a35c1-ad44-4a96-9006-0a88e00592a0" xlink:to="loc_us-gaap_CommonStockMember_5b14626a-180d-450a-863a-39653bb3dc8f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_eafe1605-b0ca-45b4-ac32-b5a2522ad839" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_833a35c1-ad44-4a96-9006-0a88e00592a0" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_eafe1605-b0ca-45b4-ac32-b5a2522ad839" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_cdd26757-2dd6-4ae4-a1ce-4bf9ce141a43" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RetainedEarningsMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_833a35c1-ad44-4a96-9006-0a88e00592a0" xlink:to="loc_us-gaap_RetainedEarningsMember_cdd26757-2dd6-4ae4-a1ce-4bf9ce141a43" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockMember_f957f66c-c23b-41fd-89c7-ecce2e2f556d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TreasuryStockMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_833a35c1-ad44-4a96-9006-0a88e00592a0" xlink:to="loc_us-gaap_TreasuryStockMember_f957f66c-c23b-41fd-89c7-ecce2e2f556d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_b3764351-c3a2-4458-8582-c2de636bc95e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_833a35c1-ad44-4a96-9006-0a88e00592a0" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_b3764351-c3a2-4458-8582-c2de636bc95e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_b2893801-14b1-491e-a753-fc911d9dc568" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_42a4e13e-20b1-4b72-b986-972c483ebf92" xlink:to="loc_us-gaap_StatementLineItems_b2893801-14b1-491e-a753-fc911d9dc568" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_29b92941-9f05-49f5-ba9b-81d5a6daa48a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_b2893801-14b1-491e-a753-fc911d9dc568" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_29b92941-9f05-49f5-ba9b-81d5a6daa48a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_2a1b0b5f-418f-4e6a-b202-71d3ed2a0529" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_29b92941-9f05-49f5-ba9b-81d5a6daa48a" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_2a1b0b5f-418f-4e6a-b202-71d3ed2a0529" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_a4b77bb6-20dd-46af-b09b-40fdb19ba220" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquity"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_29b92941-9f05-49f5-ba9b-81d5a6daa48a" xlink:to="loc_us-gaap_StockholdersEquity_a4b77bb6-20dd-46af-b09b-40fdb19ba220" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_ea52656b-918e-4501-8a22-3cfcf576bc2f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_29b92941-9f05-49f5-ba9b-81d5a6daa48a" xlink:to="loc_us-gaap_NetIncomeLoss_ea52656b-918e-4501-8a22-3cfcf576bc2f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_4d4939f2-6be6-4460-a519-b4d681a6a64e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_29b92941-9f05-49f5-ba9b-81d5a6daa48a" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_4d4939f2-6be6-4460-a519-b4d681a6a64e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_4118fc00-32d6-41e1-a25a-fdcefad453a3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_29b92941-9f05-49f5-ba9b-81d5a6daa48a" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_4118fc00-32d6-41e1-a25a-fdcefad453a3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_9bde4bec-9dbd-4458-9fbe-aeb06b1bd9b7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_29b92941-9f05-49f5-ba9b-81d5a6daa48a" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_9bde4bec-9dbd-4458-9fbe-aeb06b1bd9b7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_d7759f4a-758b-44bb-b519-e03df9dc648c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_29b92941-9f05-49f5-ba9b-81d5a6daa48a" xlink:to="loc_us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_d7759f4a-758b-44bb-b519-e03df9dc648c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsCommonStockCash_0bb2f582-88e7-4384-9748-13ccaefbe092" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DividendsCommonStockCash"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_29b92941-9f05-49f5-ba9b-81d5a6daa48a" xlink:to="loc_us-gaap_DividendsCommonStockCash_0bb2f582-88e7-4384-9748-13ccaefbe092" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_2c619270-d724-4404-9afb-e36ef251631d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_29b92941-9f05-49f5-ba9b-81d5a6daa48a" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_2c619270-d724-4404-9afb-e36ef251631d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_2375589f-64cd-440b-b53c-536c3fe87ebd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquity"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_29b92941-9f05-49f5-ba9b-81d5a6daa48a" xlink:to="loc_us-gaap_StockholdersEquity_2375589f-64cd-440b-b53c-536c3fe87ebd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited" xlink:type="simple" xlink:href="powl-20210630.xsd#CondensedConsolidatedStatementsofCashFlowsUnaudited"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/CondensedConsolidatedStatementsofCashFlowsUnaudited" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract_50533005-321b-49e7-bf36-1a6585a98849" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_f6b51bf6-e7f1-46a1-b600-895a8ef096c7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_50533005-321b-49e7-bf36-1a6585a98849" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_f6b51bf6-e7f1-46a1-b600-895a8ef096c7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_085d57de-4207-4a90-8740-8160cdda3b8f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_f6b51bf6-e7f1-46a1-b600-895a8ef096c7" xlink:to="loc_us-gaap_NetIncomeLoss_085d57de-4207-4a90-8740-8160cdda3b8f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_ac00c363-10ff-4134-a95d-e49d49551506" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_f6b51bf6-e7f1-46a1-b600-895a8ef096c7" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_ac00c363-10ff-4134-a95d-e49d49551506" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_84f9987f-ec33-46ed-a9be-230d2ec5a2de" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_ac00c363-10ff-4134-a95d-e49d49551506" xlink:to="loc_us-gaap_DepreciationDepletionAndAmortization_84f9987f-ec33-46ed-a9be-230d2ec5a2de" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_10a48d6a-0bdb-496b-97e8-e2818e8d4836" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensation"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_ac00c363-10ff-4134-a95d-e49d49551506" xlink:to="loc_us-gaap_ShareBasedCompensation_10a48d6a-0bdb-496b-97e8-e2818e8d4836" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_95cb0bcf-17ea-437d-a67d-c1f051c6eeb1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_ac00c363-10ff-4134-a95d-e49d49551506" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_95cb0bcf-17ea-437d-a67d-c1f051c6eeb1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_9854f7c2-b5cc-45fd-afd9-61cc76b07850" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_ac00c363-10ff-4134-a95d-e49d49551506" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_9854f7c2-b5cc-45fd-afd9-61cc76b07850" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_a21eabcc-143e-4dd5-9f7f-3d448025cb38" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_ac00c363-10ff-4134-a95d-e49d49551506" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_a21eabcc-143e-4dd5-9f7f-3d448025cb38" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_9ebb24a7-bb3a-45dc-9d73-0e3a140e6501" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_a21eabcc-143e-4dd5-9f7f-3d448025cb38" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_9ebb24a7-bb3a-45dc-9d73-0e3a140e6501" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_powl_IncreaseDecreaseInContractWithCustomerAssetAndLiabilityNet_60a5e196-ab71-456b-bcee-83ad83a5307a" xlink:href="powl-20210630.xsd#powl_IncreaseDecreaseInContractWithCustomerAssetAndLiabilityNet"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_a21eabcc-143e-4dd5-9f7f-3d448025cb38" xlink:to="loc_powl_IncreaseDecreaseInContractWithCustomerAssetAndLiabilityNet_60a5e196-ab71-456b-bcee-83ad83a5307a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_1b73ef03-5182-46d7-86d4-3f0d8ee0bcf8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_a21eabcc-143e-4dd5-9f7f-3d448025cb38" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_1b73ef03-5182-46d7-86d4-3f0d8ee0bcf8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_90ec2bd3-ab4b-4f77-9383-34c5113a4fa9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_a21eabcc-143e-4dd5-9f7f-3d448025cb38" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_90ec2bd3-ab4b-4f77-9383-34c5113a4fa9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_1454e2c9-dff1-45ac-9cf8-3ed0cfde7aa7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_a21eabcc-143e-4dd5-9f7f-3d448025cb38" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_1454e2c9-dff1-45ac-9cf8-3ed0cfde7aa7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_ecb5d703-7f09-49b5-bae2-7629ed04013b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayable"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_a21eabcc-143e-4dd5-9f7f-3d448025cb38" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_ecb5d703-7f09-49b5-bae2-7629ed04013b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_90014be5-56be-41dd-9398-88a7ab527acf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilities"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_a21eabcc-143e-4dd5-9f7f-3d448025cb38" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_90014be5-56be-41dd-9398-88a7ab527acf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_506b40cf-5859-434f-9f6a-4480f2245c4e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_a21eabcc-143e-4dd5-9f7f-3d448025cb38" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_506b40cf-5859-434f-9f6a-4480f2245c4e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_cde77a57-147b-4b75-86df-10fbc7491fde" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_f6b51bf6-e7f1-46a1-b600-895a8ef096c7" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_cde77a57-147b-4b75-86df-10fbc7491fde" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_41a5cc19-88ff-476b-a8e3-0b906a0c2ee8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_50533005-321b-49e7-bf36-1a6585a98849" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_41a5cc19-88ff-476b-a8e3-0b906a0c2ee8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireShortTermInvestments_7bc2e5df-1d62-4fa0-b942-6f34c0a04460" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsToAcquireShortTermInvestments"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_41a5cc19-88ff-476b-a8e3-0b906a0c2ee8" xlink:to="loc_us-gaap_PaymentsToAcquireShortTermInvestments_7bc2e5df-1d62-4fa0-b942-6f34c0a04460" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments_7fb70d0d-90ed-459d-9823-d7a7c0a42891" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_41a5cc19-88ff-476b-a8e3-0b906a0c2ee8" xlink:to="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments_7fb70d0d-90ed-459d-9823-d7a7c0a42891" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_a58d04f7-9d3e-4b71-9efc-f7841886f5cf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_41a5cc19-88ff-476b-a8e3-0b906a0c2ee8" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_a58d04f7-9d3e-4b71-9efc-f7841886f5cf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromLifeInsurancePolicies_7f95c6d0-ccc4-4ac0-ae01-d38b9ea1042c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromLifeInsurancePolicies"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_41a5cc19-88ff-476b-a8e3-0b906a0c2ee8" xlink:to="loc_us-gaap_ProceedsFromLifeInsurancePolicies_7f95c6d0-ccc4-4ac0-ae01-d38b9ea1042c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_84c0f4ec-d86e-43bd-aaab-ed838e3dda72" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_41a5cc19-88ff-476b-a8e3-0b906a0c2ee8" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_84c0f4ec-d86e-43bd-aaab-ed838e3dda72" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_638d8e5f-98b3-4684-9ba2-57bd41819e29" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_50533005-321b-49e7-bf36-1a6585a98849" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_638d8e5f-98b3-4684-9ba2-57bd41819e29" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_4c283068-d4a3-4943-9be2-78959c09328c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_638d8e5f-98b3-4684-9ba2-57bd41819e29" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_4c283068-d4a3-4943-9be2-78959c09328c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_96804e5e-5e11-4ad0-b087-6bf6a631e225" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_638d8e5f-98b3-4684-9ba2-57bd41819e29" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_96804e5e-5e11-4ad0-b087-6bf6a631e225" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_ace469c7-5925-4737-9418-4bc91a49c788" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_638d8e5f-98b3-4684-9ba2-57bd41819e29" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_ace469c7-5925-4737-9418-4bc91a49c788" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_5bbf0abf-719c-43f1-8bc1-22f269e89013" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_638d8e5f-98b3-4684-9ba2-57bd41819e29" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_5bbf0abf-719c-43f1-8bc1-22f269e89013" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_a8bb144f-48a7-4784-8143-523f6f2a4105" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_50533005-321b-49e7-bf36-1a6585a98849" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_a8bb144f-48a7-4784-8143-523f6f2a4105" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_b71caf53-6877-46f6-8f98-c51671200080" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_50533005-321b-49e7-bf36-1a6585a98849" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_b71caf53-6877-46f6-8f98-c51671200080" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_aed2e1d3-27c3-4b3b-a0bd-85c259894551" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_50533005-321b-49e7-bf36-1a6585a98849" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_aed2e1d3-27c3-4b3b-a0bd-85c259894551" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_4cf6d307-f841-4982-beca-def95f2c6bbe" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_50533005-321b-49e7-bf36-1a6585a98849" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_4cf6d307-f841-4982-beca-def95f2c6bbe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/OverviewandSummaryofSignificantAccountingPolicies" xlink:type="simple" xlink:href="powl-20210630.xsd#OverviewandSummaryofSignificantAccountingPolicies"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/OverviewandSummaryofSignificantAccountingPolicies" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_68f69ba1-3f6e-4d32-b5ec-a66c28b50917" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountingPoliciesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock_5ece36b3-da18-4417-b4fc-aa81f232f04a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_68f69ba1-3f6e-4d32-b5ec-a66c28b50917" xlink:to="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock_5ece36b3-da18-4417-b4fc-aa81f232f04a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/OverviewandSummaryofSignificantAccountingPoliciesPolicies" xlink:type="simple" xlink:href="powl-20210630.xsd#OverviewandSummaryofSignificantAccountingPoliciesPolicies"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/OverviewandSummaryofSignificantAccountingPoliciesPolicies" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_96f7818a-c055-435b-9f08-55e68ce289a4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountingPoliciesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_b8e86f7b-d310-4f0d-b68c-b2bfdbe2d6e4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BasisOfAccountingPolicyPolicyTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_96f7818a-c055-435b-9f08-55e68ce289a4" xlink:to="loc_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_b8e86f7b-d310-4f0d-b68c-b2bfdbe2d6e4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UseOfEstimates_fdb2f4f8-6230-42a9-be0f-6a0cdded593a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UseOfEstimates"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_96f7818a-c055-435b-9f08-55e68ce289a4" xlink:to="loc_us-gaap_UseOfEstimates_fdb2f4f8-6230-42a9-be0f-6a0cdded593a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_ed136eca-75bc-4731-8258-1673a01edc17" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_96f7818a-c055-435b-9f08-55e68ce289a4" xlink:to="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_ed136eca-75bc-4731-8258-1673a01edc17" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerPolicyTextBlock_68c00546-9d7e-4945-b0e8-8c5bb4d3cf88" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerPolicyTextBlock"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_96f7818a-c055-435b-9f08-55e68ce289a4" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerPolicyTextBlock_68c00546-9d7e-4945-b0e8-8c5bb4d3cf88" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/EarningsPerShare" xlink:type="simple" xlink:href="powl-20210630.xsd#EarningsPerShare"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/EarningsPerShare" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract_17f4f7f8-188e-4ed6-bfef-bfec2a1f1945" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EarningsPerShareAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareTextBlock_0dae384b-d27c-4708-8372-000e7cd22314" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EarningsPerShareTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_17f4f7f8-188e-4ed6-bfef-bfec2a1f1945" xlink:to="loc_us-gaap_EarningsPerShareTextBlock_0dae384b-d27c-4708-8372-000e7cd22314" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/EarningsPerShareTables" xlink:type="simple" xlink:href="powl-20210630.xsd#EarningsPerShareTables"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/EarningsPerShareTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract_1732b6e6-8340-4212-8be0-7a9338dcbd96" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EarningsPerShareAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_6f9ee8b5-c958-4d3a-8c6a-d6c46a6c8fa4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_1732b6e6-8340-4212-8be0-7a9338dcbd96" xlink:to="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_6f9ee8b5-c958-4d3a-8c6a-d6c46a6c8fa4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/EarningsPerShareDetails" xlink:type="simple" xlink:href="powl-20210630.xsd#EarningsPerShareDetails"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/EarningsPerShareDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract_ad85ec3a-4488-42fb-ab91-1bc53e44236f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EarningsPerShareAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAbstract_9c11877f-bdcc-4999-9047-d59110472155" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetIncomeLossAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_ad85ec3a-4488-42fb-ab91-1bc53e44236f" xlink:to="loc_us-gaap_NetIncomeLossAbstract_9c11877f-bdcc-4999-9047-d59110472155" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_a9fa1ae7-a42c-4f41-a7e8-617927e60989" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetIncomeLossAbstract_9c11877f-bdcc-4999-9047-d59110472155" xlink:to="loc_us-gaap_NetIncomeLoss_a9fa1ae7-a42c-4f41-a7e8-617927e60989" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_fe4f8e02-bbfc-44be-ab0d-e2fb1cf56751" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_ad85ec3a-4488-42fb-ab91-1bc53e44236f" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_fe4f8e02-bbfc-44be-ab0d-e2fb1cf56751" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_6127912b-881c-4b38-aca6-2141427ca025" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_fe4f8e02-bbfc-44be-ab0d-e2fb1cf56751" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_6127912b-881c-4b38-aca6-2141427ca025" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_3ff80d60-57fc-4161-8f87-bd90e134b12d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_fe4f8e02-bbfc-44be-ab0d-e2fb1cf56751" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_3ff80d60-57fc-4161-8f87-bd90e134b12d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_2cfbbf85-ae63-4ec8-825c-ee29af022850" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_fe4f8e02-bbfc-44be-ab0d-e2fb1cf56751" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_2cfbbf85-ae63-4ec8-825c-ee29af022850" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasicAndDilutedAbstract_3818805f-2abf-454c-96a0-d7b4ec6acc7d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EarningsPerShareBasicAndDilutedAbstract"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_ad85ec3a-4488-42fb-ab91-1bc53e44236f" xlink:to="loc_us-gaap_EarningsPerShareBasicAndDilutedAbstract_3818805f-2abf-454c-96a0-d7b4ec6acc7d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_0115dff4-3bc7-4ced-b5da-43edd3df6ddf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareBasicAndDilutedAbstract_3818805f-2abf-454c-96a0-d7b4ec6acc7d" xlink:to="loc_us-gaap_EarningsPerShareBasic_0115dff4-3bc7-4ced-b5da-43edd3df6ddf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_90b880dc-78d3-4c5d-b670-5d3a94aeb8bc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareBasicAndDilutedAbstract_3818805f-2abf-454c-96a0-d7b4ec6acc7d" xlink:to="loc_us-gaap_EarningsPerShareDiluted_90b880dc-78d3-4c5d-b670-5d3a94aeb8bc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/DetailofSelectedBalanceSheetAccounts" xlink:type="simple" xlink:href="powl-20210630.xsd#DetailofSelectedBalanceSheetAccounts"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/DetailofSelectedBalanceSheetAccounts" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_4e2aed76-4346-43e9-8fe8-c38fa44473b2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplementalBalanceSheetDisclosuresTextBlock_68c23ec1-7916-4d6a-aad0-40662d57e43e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SupplementalBalanceSheetDisclosuresTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_4e2aed76-4346-43e9-8fe8-c38fa44473b2" xlink:to="loc_us-gaap_SupplementalBalanceSheetDisclosuresTextBlock_68c23ec1-7916-4d6a-aad0-40662d57e43e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/DetailofSelectedBalanceSheetAccountsTables" xlink:type="simple" xlink:href="powl-20210630.xsd#DetailofSelectedBalanceSheetAccountsTables"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/DetailofSelectedBalanceSheetAccountsTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_4427c51a-927e-4018-8939-3bd285015863" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock_87fc8f62-0f96-407b-bf27-e3217a089585" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_4427c51a-927e-4018-8939-3bd285015863" xlink:to="loc_us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock_87fc8f62-0f96-407b-bf27-e3217a089585" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfInventoryCurrentTableTextBlock_8f9781b9-4b36-4e75-9780-55ac1c6a02e6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfInventoryCurrentTableTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_4427c51a-927e-4018-8939-3bd285015863" xlink:to="loc_us-gaap_ScheduleOfInventoryCurrentTableTextBlock_8f9781b9-4b36-4e75-9780-55ac1c6a02e6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock_df680090-dd30-4fa2-88e7-9bc916c39af1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_4427c51a-927e-4018-8939-3bd285015863" xlink:to="loc_us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock_df680090-dd30-4fa2-88e7-9bc916c39af1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/DetailofSelectedBalanceSheetAccountsActivityinAllowanceforCreditLossesDetails" xlink:type="simple" xlink:href="powl-20210630.xsd#DetailofSelectedBalanceSheetAccountsActivityinAllowanceforCreditLossesDetails"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/DetailofSelectedBalanceSheetAccountsActivityinAllowanceforCreditLossesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_ea620080-02ce-4b19-b48d-c76d07a119c3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_c1caf47b-7ce1-454b-a4be-30845f81d287" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_ea620080-02ce-4b19-b48d-c76d07a119c3" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_c1caf47b-7ce1-454b-a4be-30845f81d287" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_2cd5a05b-1dba-4577-96e0-4db23f910df1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_c1caf47b-7ce1-454b-a4be-30845f81d287" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_2cd5a05b-1dba-4577-96e0-4db23f910df1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_ca138a62-2951-4a22-b263-27971cdd4525" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_c1caf47b-7ce1-454b-a4be-30845f81d287" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_ca138a62-2951-4a22-b263-27971cdd4525" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_powl_AllowanceForDoubtfulAccountsReceivableWriteOffsRecoveries_fbca2df8-8eb8-4e1c-b37e-fabfede10bcb" xlink:href="powl-20210630.xsd#powl_AllowanceForDoubtfulAccountsReceivableWriteOffsRecoveries"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_c1caf47b-7ce1-454b-a4be-30845f81d287" xlink:to="loc_powl_AllowanceForDoubtfulAccountsReceivableWriteOffsRecoveries_fbca2df8-8eb8-4e1c-b37e-fabfede10bcb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_powl_IncreaseDecreaseDueToForeignCurrencyTranslation_73eaf681-65e5-4391-b4c4-62064342f232" xlink:href="powl-20210630.xsd#powl_IncreaseDecreaseDueToForeignCurrencyTranslation"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_c1caf47b-7ce1-454b-a4be-30845f81d287" xlink:to="loc_powl_IncreaseDecreaseDueToForeignCurrencyTranslation_73eaf681-65e5-4391-b4c4-62064342f232" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_8763eadb-badb-4fbd-a0d8-bde2a3c935e3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward_c1caf47b-7ce1-454b-a4be-30845f81d287" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_8763eadb-badb-4fbd-a0d8-bde2a3c935e3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/DetailofSelectedBalanceSheetAccountsComponentsofInventoriesDetails" xlink:type="simple" xlink:href="powl-20210630.xsd#DetailofSelectedBalanceSheetAccountsComponentsofInventoriesDetails"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/DetailofSelectedBalanceSheetAccountsComponentsofInventoriesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_8331b2bb-c98b-481e-93ad-d3014898fbb1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_be3b49b6-2432-45c5-b088-da5a42cc8ae0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_8331b2bb-c98b-481e-93ad-d3014898fbb1" xlink:to="loc_us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_be3b49b6-2432-45c5-b088-da5a42cc8ae0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryWorkInProcess_c56dc97d-72eb-4c13-8a5d-4ad4423379e9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InventoryWorkInProcess"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_8331b2bb-c98b-481e-93ad-d3014898fbb1" xlink:to="loc_us-gaap_InventoryWorkInProcess_c56dc97d-72eb-4c13-8a5d-4ad4423379e9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_42e334c4-7438-4a29-a263-a05c6f3d2083" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InventoryNet"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_8331b2bb-c98b-481e-93ad-d3014898fbb1" xlink:to="loc_us-gaap_InventoryNet_42e334c4-7438-4a29-a263-a05c6f3d2083" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/DetailofSelectedBalanceSheetAccountsActivityinProductWarrantyAccrualDetails" xlink:type="simple" xlink:href="powl-20210630.xsd#DetailofSelectedBalanceSheetAccountsActivityinProductWarrantyAccrualDetails"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/DetailofSelectedBalanceSheetAccountsActivityinProductWarrantyAccrualDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_86eeb9a0-fdf2-42c0-ba18-83893dd8adf9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MovementInStandardProductWarrantyAccrualRollForward_1bfc4743-3fce-4e33-bf04-b2619a93ec04" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MovementInStandardProductWarrantyAccrualRollForward"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_86eeb9a0-fdf2-42c0-ba18-83893dd8adf9" xlink:to="loc_us-gaap_MovementInStandardProductWarrantyAccrualRollForward_1bfc4743-3fce-4e33-bf04-b2619a93ec04" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_caddaefd-ed7c-4562-ab6c-2689261208bd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProductWarrantyAccrualClassifiedCurrent"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MovementInStandardProductWarrantyAccrualRollForward_1bfc4743-3fce-4e33-bf04-b2619a93ec04" xlink:to="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_caddaefd-ed7c-4562-ab6c-2689261208bd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductWarrantyAccrualPeriodIncreaseDecrease_a607a345-0b56-4bea-bdfb-ccce4d2c4387" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProductWarrantyAccrualPeriodIncreaseDecrease"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MovementInStandardProductWarrantyAccrualRollForward_1bfc4743-3fce-4e33-bf04-b2619a93ec04" xlink:to="loc_us-gaap_ProductWarrantyAccrualPeriodIncreaseDecrease_a607a345-0b56-4bea-bdfb-ccce4d2c4387" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductWarrantyAccrualPayments_c8f721be-da47-4675-9a60-db10ba0adc97" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProductWarrantyAccrualPayments"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MovementInStandardProductWarrantyAccrualRollForward_1bfc4743-3fce-4e33-bf04-b2619a93ec04" xlink:to="loc_us-gaap_ProductWarrantyAccrualPayments_c8f721be-da47-4675-9a60-db10ba0adc97" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss_731b9977-252d-42f5-884e-211a9bfe23e6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MovementInStandardProductWarrantyAccrualRollForward_1bfc4743-3fce-4e33-bf04-b2619a93ec04" xlink:to="loc_us-gaap_StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss_731b9977-252d-42f5-884e-211a9bfe23e6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_6b8d8d21-9c62-48c8-ba52-e4fe3a99e099" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProductWarrantyAccrualClassifiedCurrent"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MovementInStandardProductWarrantyAccrualRollForward_1bfc4743-3fce-4e33-bf04-b2619a93ec04" xlink:to="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_6b8d8d21-9c62-48c8-ba52-e4fe3a99e099" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/Revenue" xlink:type="simple" xlink:href="powl-20210630.xsd#Revenue"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/Revenue" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_d38f141d-0731-406d-b0f3-a19215b1f267" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerTextBlock_15ed09a9-06ae-4099-a5a2-e71eac32a4f8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_d38f141d-0731-406d-b0f3-a19215b1f267" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerTextBlock_15ed09a9-06ae-4099-a5a2-e71eac32a4f8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/RevenueTables" xlink:type="simple" xlink:href="powl-20210630.xsd#RevenueTables"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/RevenueTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_c41bafc8-1757-46d6-90d6-171d37f38ad7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock_38cce52c-055a-431d-a528-3eecfceb4edc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_c41bafc8-1757-46d6-90d6-171d37f38ad7" xlink:to="loc_us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock_38cce52c-055a-431d-a528-3eecfceb4edc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTableTextBlock_f2e32cf9-8dc9-4c4a-a951-9c8330020d2a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisaggregationOfRevenueTableTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_c41bafc8-1757-46d6-90d6-171d37f38ad7" xlink:to="loc_us-gaap_DisaggregationOfRevenueTableTextBlock_f2e32cf9-8dc9-4c4a-a951-9c8330020d2a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/RevenueNarrativeDetails" xlink:type="simple" xlink:href="powl-20210630.xsd#RevenueNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/RevenueNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_823a02d8-ced6-443e-b317-a9ec036c3a1b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_62e80211-47ae-4fe5-b4f8-d2688af5c5b5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_823a02d8-ced6-443e-b317-a9ec036c3a1b" xlink:to="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_62e80211-47ae-4fe5-b4f8-d2688af5c5b5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TimingOfTransferOfGoodOrServiceAxis_39687bcf-e91e-45ef-8dec-dc18ed5dff04" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TimingOfTransferOfGoodOrServiceAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_62e80211-47ae-4fe5-b4f8-d2688af5c5b5" xlink:to="loc_us-gaap_TimingOfTransferOfGoodOrServiceAxis_39687bcf-e91e-45ef-8dec-dc18ed5dff04" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TimingOfTransferOfGoodOrServiceDomain_2f805bc8-afac-493c-bd1a-b6269f841ef4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TimingOfTransferOfGoodOrServiceDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TimingOfTransferOfGoodOrServiceAxis_39687bcf-e91e-45ef-8dec-dc18ed5dff04" xlink:to="loc_us-gaap_TimingOfTransferOfGoodOrServiceDomain_2f805bc8-afac-493c-bd1a-b6269f841ef4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransferredOverTimeMember_03ab96c3-cab9-43e2-81e5-8217c7792760" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TransferredOverTimeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TimingOfTransferOfGoodOrServiceDomain_2f805bc8-afac-493c-bd1a-b6269f841ef4" xlink:to="loc_us-gaap_TransferredOverTimeMember_03ab96c3-cab9-43e2-81e5-8217c7792760" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransferredAtPointInTimeMember_07b68404-e879-42ec-ab9b-c3e09d6813d9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TransferredAtPointInTimeMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TimingOfTransferOfGoodOrServiceDomain_2f805bc8-afac-493c-bd1a-b6269f841ef4" xlink:to="loc_us-gaap_TransferredAtPointInTimeMember_07b68404-e879-42ec-ab9b-c3e09d6813d9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_093d2ffd-d1fa-413d-996e-f5b0d9400a8f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConcentrationRiskByTypeAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_62e80211-47ae-4fe5-b4f8-d2688af5c5b5" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_093d2ffd-d1fa-413d-996e-f5b0d9400a8f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_1973adf6-95f0-43c8-884e-78556834d4b0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_093d2ffd-d1fa-413d-996e-f5b0d9400a8f" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_1973adf6-95f0-43c8-884e-78556834d4b0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductConcentrationRiskMember_92ec1d40-6110-4ca8-826c-313001442d02" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProductConcentrationRiskMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_1973adf6-95f0-43c8-884e-78556834d4b0" xlink:to="loc_us-gaap_ProductConcentrationRiskMember_92ec1d40-6110-4ca8-826c-313001442d02" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_4c98d64a-21c8-497f-8fcb-10403dbbcf21" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_62e80211-47ae-4fe5-b4f8-d2688af5c5b5" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_4c98d64a-21c8-497f-8fcb-10403dbbcf21" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_9b378ad2-3064-40d2-add2-95239230743a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_4c98d64a-21c8-497f-8fcb-10403dbbcf21" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_9b378ad2-3064-40d2-add2-95239230743a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerMember_e9aea55a-d790-42b7-a826-ef4d2ed07581" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_9b378ad2-3064-40d2-add2-95239230743a" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerMember_e9aea55a-d790-42b7-a826-ef4d2ed07581" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_d3e5dbd6-7baa-479f-8448-61b045feb26a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_62e80211-47ae-4fe5-b4f8-d2688af5c5b5" xlink:to="loc_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_d3e5dbd6-7baa-479f-8448-61b045feb26a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_04f67393-e578-46a1-8ece-7e52e2c0e956" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConcentrationRiskPercentage1"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_d3e5dbd6-7baa-479f-8448-61b045feb26a" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_04f67393-e578-46a1-8ece-7e52e2c0e956" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetCumulativeCatchUpAdjustmentToRevenueChangeInMeasureOfProgress_ff587503-8f36-4da3-8d98-cc9ed6c6eee8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerAssetCumulativeCatchUpAdjustmentToRevenueChangeInMeasureOfProgress"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_d3e5dbd6-7baa-479f-8448-61b045feb26a" xlink:to="loc_us-gaap_ContractWithCustomerAssetCumulativeCatchUpAdjustmentToRevenueChangeInMeasureOfProgress_ff587503-8f36-4da3-8d98-cc9ed6c6eee8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/RevenuePerformanceObligationsDetails" xlink:type="simple" xlink:href="powl-20210630.xsd#RevenuePerformanceObligationsDetails"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/RevenuePerformanceObligationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_c9d1ce11-f356-446d-8a9c-7abe004d073d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_2eac28ed-42d0-4ad8-b32b-1ac0990daff5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligation"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_c9d1ce11-f356-446d-8a9c-7abe004d073d" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_2eac28ed-42d0-4ad8-b32b-1ac0990daff5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_10049706-7997-492a-a575-d150f73dff7f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_c9d1ce11-f356-446d-8a9c-7abe004d073d" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_10049706-7997-492a-a575-d150f73dff7f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_fb18f95f-28e7-4a74-a8f3-c4fca58725fa" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_10049706-7997-492a-a575-d150f73dff7f" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis_fb18f95f-28e7-4a74-a8f3-c4fca58725fa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_69bac796-92b3-426e-b59c-9a1efa2f6bf4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionTable_10049706-7997-492a-a575-d150f73dff7f" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_69bac796-92b3-426e-b59c-9a1efa2f6bf4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_38233ff0-7110-415a-b530-e352996d8212" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems_69bac796-92b3-426e-b59c-9a1efa2f6bf4" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1_38233ff0-7110-415a-b530-e352996d8212" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/RevenuePerformanceObligationsDetails_1" xlink:type="simple" xlink:href="powl-20210630.xsd#RevenuePerformanceObligationsDetails_1"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/RevenuePerformanceObligationsDetails_1" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.powellind.com/role/RevenueContractBalancesDetails" xlink:type="simple" xlink:href="powl-20210630.xsd#RevenueContractBalancesDetails"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/RevenueContractBalancesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_518f2f19-23a5-40bd-ba30-dc921a68a423" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetNetCurrent_c81ae4d5-86bc-464f-bddc-1686b656d6a2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerAssetNetCurrent"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_518f2f19-23a5-40bd-ba30-dc921a68a423" xlink:to="loc_us-gaap_ContractWithCustomerAssetNetCurrent_c81ae4d5-86bc-464f-bddc-1686b656d6a2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_4e7dd078-8ca9-4cfd-82eb-96ea6bb16fcf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_518f2f19-23a5-40bd-ba30-dc921a68a423" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_4e7dd078-8ca9-4cfd-82eb-96ea6bb16fcf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_powl_ContractWithCustomerAssetLiabilityNetCurrent_c5057462-f4b8-456b-995f-807997a21437" xlink:href="powl-20210630.xsd#powl_ContractWithCustomerAssetLiabilityNetCurrent"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_518f2f19-23a5-40bd-ba30-dc921a68a423" xlink:to="loc_powl_ContractWithCustomerAssetLiabilityNetCurrent_c5057462-f4b8-456b-995f-807997a21437" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_7a94a858-6df1-477d-bd7e-02049c304568" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_518f2f19-23a5-40bd-ba30-dc921a68a423" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_7a94a858-6df1-477d-bd7e-02049c304568" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerReceivableAfterAllowanceForCreditLoss_64bd4e5e-4343-4e28-9346-8b41719a22c2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerReceivableAfterAllowanceForCreditLoss"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_518f2f19-23a5-40bd-ba30-dc921a68a423" xlink:to="loc_us-gaap_ContractWithCustomerReceivableAfterAllowanceForCreditLoss_64bd4e5e-4343-4e28-9346-8b41719a22c2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerReceivableAfterAllowanceForCreditLossCurrent_9ab1dc44-5d94-4e38-b6cf-16c94037b646" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerReceivableAfterAllowanceForCreditLossCurrent"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_518f2f19-23a5-40bd-ba30-dc921a68a423" xlink:to="loc_us-gaap_ContractWithCustomerReceivableAfterAllowanceForCreditLossCurrent_9ab1dc44-5d94-4e38-b6cf-16c94037b646" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerReceivableAfterAllowanceForCreditLossNoncurrent_324453e7-34cf-4cc7-9069-68c984887010" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerReceivableAfterAllowanceForCreditLossNoncurrent"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_518f2f19-23a5-40bd-ba30-dc921a68a423" xlink:to="loc_us-gaap_ContractWithCustomerReceivableAfterAllowanceForCreditLossNoncurrent_324453e7-34cf-4cc7-9069-68c984887010" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/RevenueDisaggregationofRevenueDetails" xlink:type="simple" xlink:href="powl-20210630.xsd#RevenueDisaggregationofRevenueDetails"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/RevenueDisaggregationofRevenueDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_ddd8bc90-20bd-4171-93fd-980cba7d848d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_91f01e3b-caf3-4c41-9bd6-5fff3dc8a328" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_ddd8bc90-20bd-4171-93fd-980cba7d848d" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_91f01e3b-caf3-4c41-9bd6-5fff3dc8a328" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_be751233-4814-44ce-b35a-37e8df26879f" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_StatementGeographicalAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_91f01e3b-caf3-4c41-9bd6-5fff3dc8a328" xlink:to="loc_srt_StatementGeographicalAxis_be751233-4814-44ce-b35a-37e8df26879f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_6c56acd4-b6dd-43e4-9f91-49da60699cd0" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_SegmentGeographicalDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_StatementGeographicalAxis_be751233-4814-44ce-b35a-37e8df26879f" xlink:to="loc_srt_SegmentGeographicalDomain_6c56acd4-b6dd-43e4-9f91-49da60699cd0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_US_fcbfee98-267b-4155-a135-b30b5a56def2" xlink:href="https://xbrl.sec.gov/country/2021/country-2021.xsd#country_US"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SegmentGeographicalDomain_6c56acd4-b6dd-43e4-9f91-49da60699cd0" xlink:to="loc_country_US_fcbfee98-267b-4155-a135-b30b5a56def2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_CA_27d433ae-2ad3-4fd5-8c8c-c6149bf7b5ed" xlink:href="https://xbrl.sec.gov/country/2021/country-2021.xsd#country_CA"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SegmentGeographicalDomain_6c56acd4-b6dd-43e4-9f91-49da60699cd0" xlink:to="loc_country_CA_27d433ae-2ad3-4fd5-8c8c-c6149bf7b5ed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EMEAMember_f7970cf1-a886-493c-a4d4-6198328f7f5e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EMEAMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SegmentGeographicalDomain_6c56acd4-b6dd-43e4-9f91-49da60699cd0" xlink:to="loc_us-gaap_EMEAMember_f7970cf1-a886-493c-a4d4-6198328f7f5e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_AsiaPacificMember_78dc17ad-6c3c-492f-889f-becadd7b49d9" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_AsiaPacificMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SegmentGeographicalDomain_6c56acd4-b6dd-43e4-9f91-49da60699cd0" xlink:to="loc_srt_AsiaPacificMember_78dc17ad-6c3c-492f-889f-becadd7b49d9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_powl_MexicoCentralAmericaAndSouthAmericaMember_fb2ddb1f-0199-403a-a78f-c60e9d633d22" xlink:href="powl-20210630.xsd#powl_MexicoCentralAmericaAndSouthAmericaMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_SegmentGeographicalDomain_6c56acd4-b6dd-43e4-9f91-49da60699cd0" xlink:to="loc_powl_MexicoCentralAmericaAndSouthAmericaMember_fb2ddb1f-0199-403a-a78f-c60e9d633d22" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_4a677a85-dac7-4322-a72f-350db0d2ddee" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductOrServiceAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_91f01e3b-caf3-4c41-9bd6-5fff3dc8a328" xlink:to="loc_srt_ProductOrServiceAxis_4a677a85-dac7-4322-a72f-350db0d2ddee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_4613ae6e-4861-42a1-a0d3-32f86a44c4cf" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductsAndServicesDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductOrServiceAxis_4a677a85-dac7-4322-a72f-350db0d2ddee" xlink:to="loc_srt_ProductsAndServicesDomain_4613ae6e-4861-42a1-a0d3-32f86a44c4cf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OilAndGasServiceMember_3522f247-4a40-4cb9-9cb1-0a2bfaec6461" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OilAndGasServiceMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_4613ae6e-4861-42a1-a0d3-32f86a44c4cf" xlink:to="loc_us-gaap_OilAndGasServiceMember_3522f247-4a40-4cb9-9cb1-0a2bfaec6461" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_powl_PetrochemicalMember_9d84486b-88db-40b1-85e1-ea90e1db67ea" xlink:href="powl-20210630.xsd#powl_PetrochemicalMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_4613ae6e-4861-42a1-a0d3-32f86a44c4cf" xlink:to="loc_powl_PetrochemicalMember_9d84486b-88db-40b1-85e1-ea90e1db67ea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ElectricityMember_d997fd0a-956a-472d-b5a1-7a6ab851ef13" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ElectricityMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_4613ae6e-4861-42a1-a0d3-32f86a44c4cf" xlink:to="loc_us-gaap_ElectricityMember_d997fd0a-956a-472d-b5a1-7a6ab851ef13" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_powl_TractionPowerCustomerMember_94d3276a-90b1-4fd3-b53f-1410558dfea0" xlink:href="powl-20210630.xsd#powl_TractionPowerCustomerMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_4613ae6e-4861-42a1-a0d3-32f86a44c4cf" xlink:to="loc_powl_TractionPowerCustomerMember_94d3276a-90b1-4fd3-b53f-1410558dfea0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_powl_OtherCustomersMember_03e4a970-aaa7-4c18-9789-9505ab1f2a9a" xlink:href="powl-20210630.xsd#powl_OtherCustomersMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_4613ae6e-4861-42a1-a0d3-32f86a44c4cf" xlink:to="loc_powl_OtherCustomersMember_03e4a970-aaa7-4c18-9789-9505ab1f2a9a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_46aec016-b8e7-48f2-965f-9f0cfaab2c2d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_91f01e3b-caf3-4c41-9bd6-5fff3dc8a328" xlink:to="loc_us-gaap_DisaggregationOfRevenueLineItems_46aec016-b8e7-48f2-965f-9f0cfaab2c2d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_513c16e8-c78d-4347-8553-66eadc0b54f7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_46aec016-b8e7-48f2-965f-9f0cfaab2c2d" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_513c16e8-c78d-4347-8553-66eadc0b54f7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/LongTermDebt" xlink:type="simple" xlink:href="powl-20210630.xsd#LongTermDebt"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/LongTermDebt" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureAbstract_0e43086d-d03a-4d4c-a1e8-abb26a1e8e83" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtTextBlock_a450da99-4387-4faf-bd01-4799c983641c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_0e43086d-d03a-4d4c-a1e8-abb26a1e8e83" xlink:to="loc_us-gaap_LongTermDebtTextBlock_a450da99-4387-4faf-bd01-4799c983641c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/LongTermDebtTables" xlink:type="simple" xlink:href="powl-20210630.xsd#LongTermDebtTables"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/LongTermDebtTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureAbstract_ec2c6a7f-0620-4305-842c-a5a67343c9a8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfDebtInstrumentsTextBlock_4b489b19-f695-4951-8ed8-d4889d11f23f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfDebtInstrumentsTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_ec2c6a7f-0620-4305-842c-a5a67343c9a8" xlink:to="loc_us-gaap_ScheduleOfDebtInstrumentsTextBlock_4b489b19-f695-4951-8ed8-d4889d11f23f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/LongTermDebtComponentsofLongTermDebtDetails" xlink:type="simple" xlink:href="powl-20210630.xsd#LongTermDebtComponentsofLongTermDebtDetails"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/LongTermDebtComponentsofLongTermDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureAbstract_db852a72-ed7e-4a95-9188-ae7df44c2572" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_2713506d-c5aa-4f1b-987f-6dd87245593e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebt"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_db852a72-ed7e-4a95-9188-ae7df44c2572" xlink:to="loc_us-gaap_LongTermDebt_2713506d-c5aa-4f1b-987f-6dd87245593e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_bf6336dc-43fa-4347-836a-cd4d877b6793" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_db852a72-ed7e-4a95-9188-ae7df44c2572" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_bf6336dc-43fa-4347-836a-cd4d877b6793" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_e2746575-17e4-4425-be18-d8ea88f54697" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_db852a72-ed7e-4a95-9188-ae7df44c2572" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_e2746575-17e4-4425-be18-d8ea88f54697" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/LongTermDebtNarrativeDetails" xlink:type="simple" xlink:href="powl-20210630.xsd#LongTermDebtNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/LongTermDebtNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureAbstract_98dbf4be-8fdf-4229-b529-5ea2e6f7c3cd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_bd3b7a6b-bb48-4ce1-9afd-0bff8adb18d2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_98dbf4be-8fdf-4229-b529-5ea2e6f7c3cd" xlink:to="loc_us-gaap_LineOfCreditFacilityTable_bd3b7a6b-bb48-4ce1-9afd-0bff8adb18d2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_62174370-7031-4042-a7f3-b5234262efa2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CreditFacilityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_bd3b7a6b-bb48-4ce1-9afd-0bff8adb18d2" xlink:to="loc_us-gaap_CreditFacilityAxis_62174370-7031-4042-a7f3-b5234262efa2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_ea1a33c2-c7ad-4a0a-beeb-66c071e07645" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CreditFacilityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityAxis_62174370-7031-4042-a7f3-b5234262efa2" xlink:to="loc_us-gaap_CreditFacilityDomain_ea1a33c2-c7ad-4a0a-beeb-66c071e07645" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DomesticLineOfCreditMember_f502ff4a-f940-44ff-b52a-f3369713a728" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DomesticLineOfCreditMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_ea1a33c2-c7ad-4a0a-beeb-66c071e07645" xlink:to="loc_us-gaap_DomesticLineOfCreditMember_f502ff4a-f940-44ff-b52a-f3369713a728" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_powl_IndustrialDevelopmentRevenueBondsMember_991e29f7-46ac-4ce0-90a8-e5d1acedebcb" xlink:href="powl-20210630.xsd#powl_IndustrialDevelopmentRevenueBondsMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_ea1a33c2-c7ad-4a0a-beeb-66c071e07645" xlink:to="loc_powl_IndustrialDevelopmentRevenueBondsMember_991e29f7-46ac-4ce0-90a8-e5d1acedebcb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_f5e285ae-895c-4b13-a272-d5d9c9ef962a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_bd3b7a6b-bb48-4ce1-9afd-0bff8adb18d2" xlink:to="loc_us-gaap_DebtInstrumentAxis_f5e285ae-895c-4b13-a272-d5d9c9ef962a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_c363348d-1392-4918-9d54-d0c3e34e8a9e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentAxis_f5e285ae-895c-4b13-a272-d5d9c9ef962a" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_c363348d-1392-4918-9d54-d0c3e34e8a9e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_powl_AmendedAndRestatedCreditAgreementMember_b35a2d6f-e8e8-436a-814e-43e3ae8237d9" xlink:href="powl-20210630.xsd#powl_AmendedAndRestatedCreditAgreementMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_c363348d-1392-4918-9d54-d0c3e34e8a9e" xlink:to="loc_powl_AmendedAndRestatedCreditAgreementMember_b35a2d6f-e8e8-436a-814e-43e3ae8237d9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsByNatureAxis_b7f6fb35-f47d-43e2-a55d-8fc43ce6c8bd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GuaranteeObligationsByNatureAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_bd3b7a6b-bb48-4ce1-9afd-0bff8adb18d2" xlink:to="loc_us-gaap_GuaranteeObligationsByNatureAxis_b7f6fb35-f47d-43e2-a55d-8fc43ce6c8bd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsNatureDomain_a170426c-3521-4f98-9e9f-7b53b1a4adaa" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GuaranteeObligationsNatureDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsByNatureAxis_b7f6fb35-f47d-43e2-a55d-8fc43ce6c8bd" xlink:to="loc_us-gaap_GuaranteeObligationsNatureDomain_a170426c-3521-4f98-9e9f-7b53b1a4adaa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialStandbyLetterOfCreditMember_d962c79c-c303-4876-b3c5-0b8e7936c866" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinancialStandbyLetterOfCreditMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsNatureDomain_a170426c-3521-4f98-9e9f-7b53b1a4adaa" xlink:to="loc_us-gaap_FinancialStandbyLetterOfCreditMember_d962c79c-c303-4876-b3c5-0b8e7936c866" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_56b20893-9642-4177-9d60-799abf933526" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableRateAxis"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_bd3b7a6b-bb48-4ce1-9afd-0bff8adb18d2" xlink:to="loc_us-gaap_VariableRateAxis_56b20893-9642-4177-9d60-799abf933526" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_96943b07-e1d8-4433-b41e-e6c9685ffa7d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableRateDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableRateAxis_56b20893-9642-4177-9d60-799abf933526" xlink:to="loc_us-gaap_VariableRateDomain_96943b07-e1d8-4433-b41e-e6c9685ffa7d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FederalFundsEffectiveSwapRateMember_1b275bf1-33bd-4db8-98dd-a5caf66f7e51" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FederalFundsEffectiveSwapRateMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableRateDomain_96943b07-e1d8-4433-b41e-e6c9685ffa7d" xlink:to="loc_us-gaap_FederalFundsEffectiveSwapRateMember_1b275bf1-33bd-4db8-98dd-a5caf66f7e51" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_cdef72ce-05b7-413b-8fc9-2dc52f3b35ee" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LondonInterbankOfferedRateLIBORMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableRateDomain_96943b07-e1d8-4433-b41e-e6c9685ffa7d" xlink:to="loc_us-gaap_LondonInterbankOfferedRateLIBORMember_cdef72ce-05b7-413b-8fc9-2dc52f3b35ee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BaseRateMember_938af7c7-3285-4174-a062-e2cf90ee4997" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BaseRateMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableRateDomain_96943b07-e1d8-4433-b41e-e6c9685ffa7d" xlink:to="loc_us-gaap_BaseRateMember_938af7c7-3285-4174-a062-e2cf90ee4997" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_d2b64014-2194-4cf4-bc09-510b750f1502" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_bd3b7a6b-bb48-4ce1-9afd-0bff8adb18d2" xlink:to="loc_srt_RangeAxis_d2b64014-2194-4cf4-bc09-510b750f1502" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_26a83235-92f0-449f-b0a1-f934daf275c0" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeAxis_d2b64014-2194-4cf4-bc09-510b750f1502" xlink:to="loc_srt_RangeMember_26a83235-92f0-449f-b0a1-f934daf275c0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_af51c195-488a-4187-b8e9-e4e10e9aaf54" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MinimumMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_26a83235-92f0-449f-b0a1-f934daf275c0" xlink:to="loc_srt_MinimumMember_af51c195-488a-4187-b8e9-e4e10e9aaf54" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_a48b90c2-03e9-48c6-b497-dbbc7e5c58ef" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_26a83235-92f0-449f-b0a1-f934daf275c0" xlink:to="loc_srt_MaximumMember_a48b90c2-03e9-48c6-b497-dbbc7e5c58ef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_048e103d-e0df-456a-902c-5bee9aa8e5fa" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityLineItems"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_bd3b7a6b-bb48-4ce1-9afd-0bff8adb18d2" xlink:to="loc_us-gaap_LineOfCreditFacilityLineItems_048e103d-e0df-456a-902c-5bee9aa8e5fa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_4013b67a-aa6a-4b10-ba1e-1bd1bd7c7a66" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_048e103d-e0df-456a-902c-5bee9aa8e5fa" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_4013b67a-aa6a-4b10-ba1e-1bd1bd7c7a66" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_powl_LineOfCreditFacilityCollateralAmount_3ff72f4a-1888-4f96-a5a0-7f42ca55aa0b" xlink:href="powl-20210630.xsd#powl_LineOfCreditFacilityCollateralAmount"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_048e103d-e0df-456a-902c-5bee9aa8e5fa" xlink:to="loc_powl_LineOfCreditFacilityCollateralAmount_3ff72f4a-1888-4f96-a5a0-7f42ca55aa0b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_powl_LetterOfCreditCollateralAmountMinimumOutstanding_a3f90e6f-05e0-48d2-ac1c-45dc52f263c7" xlink:href="powl-20210630.xsd#powl_LetterOfCreditCollateralAmountMinimumOutstanding"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_048e103d-e0df-456a-902c-5bee9aa8e5fa" xlink:to="loc_powl_LetterOfCreditCollateralAmountMinimumOutstanding_a3f90e6f-05e0-48d2-ac1c-45dc52f263c7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_9cf0ca2e-18d1-4a08-b6a8-8a10bc606e3b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebt"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_048e103d-e0df-456a-902c-5bee9aa8e5fa" xlink:to="loc_us-gaap_LongTermDebt_9cf0ca2e-18d1-4a08-b6a8-8a10bc606e3b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_84c41546-176d-43c1-9b95-a7ad25c7abc3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GuaranteeObligationsCurrentCarryingValue"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_048e103d-e0df-456a-902c-5bee9aa8e5fa" xlink:to="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_84c41546-176d-43c1-9b95-a7ad25c7abc3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_ce8c0ded-172a-4de3-b3a7-7ae3985cddf8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_048e103d-e0df-456a-902c-5bee9aa8e5fa" xlink:to="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_ce8c0ded-172a-4de3-b3a7-7ae3985cddf8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_powl_DebtInstrumentCovenantLeverageRatioMaximumAllowed_22aa8ba8-ea85-4ab4-b3c1-04812975ebfb" xlink:href="powl-20210630.xsd#powl_DebtInstrumentCovenantLeverageRatioMaximumAllowed"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_048e103d-e0df-456a-902c-5bee9aa8e5fa" xlink:to="loc_powl_DebtInstrumentCovenantLeverageRatioMaximumAllowed_22aa8ba8-ea85-4ab4-b3c1-04812975ebfb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_powl_DebtInstrumentCovenantInterestCoverageRatioMinimum_a9eb91cc-78cb-4636-9d14-72291af15758" xlink:href="powl-20210630.xsd#powl_DebtInstrumentCovenantInterestCoverageRatioMinimum"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_048e103d-e0df-456a-902c-5bee9aa8e5fa" xlink:to="loc_powl_DebtInstrumentCovenantInterestCoverageRatioMinimum_a9eb91cc-78cb-4636-9d14-72291af15758" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_08eb67e9-d094-430c-b4ce-65e916691223" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_048e103d-e0df-456a-902c-5bee9aa8e5fa" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_08eb67e9-d094-430c-b4ce-65e916691223" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_powl_PercentageOfDomesticCapitalStockPledgedAsCollateralForCreditFacility_a0ac855c-337d-4c8d-af3e-5f00e3d6d272" xlink:href="powl-20210630.xsd#powl_PercentageOfDomesticCapitalStockPledgedAsCollateralForCreditFacility"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_048e103d-e0df-456a-902c-5bee9aa8e5fa" xlink:to="loc_powl_PercentageOfDomesticCapitalStockPledgedAsCollateralForCreditFacility_a0ac855c-337d-4c8d-af3e-5f00e3d6d272" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_powl_PercentageOfNonDomesticCapitalStockPledgedAsCollateralForCreditFacility_060522c7-7fd3-4d9c-9993-c54a72a43451" xlink:href="powl-20210630.xsd#powl_PercentageOfNonDomesticCapitalStockPledgedAsCollateralForCreditFacility"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_048e103d-e0df-456a-902c-5bee9aa8e5fa" xlink:to="loc_powl_PercentageOfNonDomesticCapitalStockPledgedAsCollateralForCreditFacility_060522c7-7fd3-4d9c-9993-c54a72a43451" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_36359a85-c70c-4aec-9d61-aca5e80f6af7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_048e103d-e0df-456a-902c-5bee9aa8e5fa" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_36359a85-c70c-4aec-9d61-aca5e80f6af7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_0f26f35a-43db-4e9f-98bc-d17cb1519cfc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_048e103d-e0df-456a-902c-5bee9aa8e5fa" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_0f26f35a-43db-4e9f-98bc-d17cb1519cfc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/CommitmentsandContingencies" xlink:type="simple" xlink:href="powl-20210630.xsd#CommitmentsandContingencies"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/CommitmentsandContingencies" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_4b4ffc50-5b81-41c6-8b83-f87664c247c2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_ae6b2ab2-436f-4a01-bcdc-8fbd0d66aa74" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_4b4ffc50-5b81-41c6-8b83-f87664c247c2" xlink:to="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_ae6b2ab2-436f-4a01-bcdc-8fbd0d66aa74" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/CommitmentsandContingenciesDetails" xlink:type="simple" xlink:href="powl-20210630.xsd#CommitmentsandContingenciesDetails"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/CommitmentsandContingenciesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_86970abf-ac9c-4195-bf61-3d38a01e9957" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_f886c4c6-d004-4e57-b110-3697e9856ed2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfGuaranteeObligationsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_86970abf-ac9c-4195-bf61-3d38a01e9957" xlink:to="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_f886c4c6-d004-4e57-b110-3697e9856ed2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_5fa28ec7-b3a1-4e21-b04b-63e25480b033" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CreditFacilityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_f886c4c6-d004-4e57-b110-3697e9856ed2" xlink:to="loc_us-gaap_CreditFacilityAxis_5fa28ec7-b3a1-4e21-b04b-63e25480b033" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_c3f94d99-8cb9-4de8-9d55-a32f60bc277f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CreditFacilityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityAxis_5fa28ec7-b3a1-4e21-b04b-63e25480b033" xlink:to="loc_us-gaap_CreditFacilityDomain_c3f94d99-8cb9-4de8-9d55-a32f60bc277f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DomesticLineOfCreditMember_23524b86-aff3-4825-84fe-92f927770db3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DomesticLineOfCreditMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_c3f94d99-8cb9-4de8-9d55-a32f60bc277f" xlink:to="loc_us-gaap_DomesticLineOfCreditMember_23524b86-aff3-4825-84fe-92f927770db3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsByNatureAxis_25e4e69d-67de-435c-8c77-c0d1941d7148" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GuaranteeObligationsByNatureAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_f886c4c6-d004-4e57-b110-3697e9856ed2" xlink:to="loc_us-gaap_GuaranteeObligationsByNatureAxis_25e4e69d-67de-435c-8c77-c0d1941d7148" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsNatureDomain_1d28c1f6-afda-4052-8a90-fb66cfd2a150" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GuaranteeObligationsNatureDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsByNatureAxis_25e4e69d-67de-435c-8c77-c0d1941d7148" xlink:to="loc_us-gaap_GuaranteeObligationsNatureDomain_1d28c1f6-afda-4052-8a90-fb66cfd2a150" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialStandbyLetterOfCreditMember_970af080-ce63-4c05-a476-d657c36aef6e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinancialStandbyLetterOfCreditMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsNatureDomain_1d28c1f6-afda-4052-8a90-fb66cfd2a150" xlink:to="loc_us-gaap_FinancialStandbyLetterOfCreditMember_970af080-ce63-4c05-a476-d657c36aef6e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SuretyBondMember_261d372d-713e-4d2b-bac2-151cbdad5cfd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SuretyBondMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsNatureDomain_1d28c1f6-afda-4052-8a90-fb66cfd2a150" xlink:to="loc_us-gaap_SuretyBondMember_261d372d-713e-4d2b-bac2-151cbdad5cfd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_7a704431-f287-42d0-bcd2-413f3fabc847" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_f886c4c6-d004-4e57-b110-3697e9856ed2" xlink:to="loc_us-gaap_DebtInstrumentAxis_7a704431-f287-42d0-bcd2-413f3fabc847" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_265971a9-e988-4403-8e2f-5060c41f2473" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentAxis_7a704431-f287-42d0-bcd2-413f3fabc847" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_265971a9-e988-4403-8e2f-5060c41f2473" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_powl_AmendedAndRestatedCreditAgreementMember_c81ece6d-6a75-4db3-8bdd-3bf8151ba269" xlink:href="powl-20210630.xsd#powl_AmendedAndRestatedCreditAgreementMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_265971a9-e988-4403-8e2f-5060c41f2473" xlink:to="loc_powl_AmendedAndRestatedCreditAgreementMember_c81ece6d-6a75-4db3-8bdd-3bf8151ba269" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_powl_FacilityAgreementMember_50e494c2-4d84-4eec-876c-0018ab6fc664" xlink:href="powl-20210630.xsd#powl_FacilityAgreementMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_265971a9-e988-4403-8e2f-5060c41f2473" xlink:to="loc_powl_FacilityAgreementMember_50e494c2-4d84-4eec-876c-0018ab6fc664" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_85448051-57e5-4956-8808-3df3b396a43f" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_LegalEntityAxis"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_f886c4c6-d004-4e57-b110-3697e9856ed2" xlink:to="loc_dei_LegalEntityAxis_85448051-57e5-4956-8808-3df3b396a43f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_f8cd89f6-769b-40cb-8238-d54e04e15339" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.xsd#dei_EntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_85448051-57e5-4956-8808-3df3b396a43f" xlink:to="loc_dei_EntityDomain_f8cd89f6-769b-40cb-8238-d54e04e15339" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_powl_PowellUKLimitedMember_4fa09f42-22ec-4540-b8fc-9f0b00c4def3" xlink:href="powl-20210630.xsd#powl_PowellUKLimitedMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_f8cd89f6-769b-40cb-8238-d54e04e15339" xlink:to="loc_powl_PowellUKLimitedMember_4fa09f42-22ec-4540-b8fc-9f0b00c4def3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsLineItems_3878dfcb-4390-45a6-9f66-fc83dd96624c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GuaranteeObligationsLineItems"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfGuaranteeObligationsTable_f886c4c6-d004-4e57-b110-3697e9856ed2" xlink:to="loc_us-gaap_GuaranteeObligationsLineItems_3878dfcb-4390-45a6-9f66-fc83dd96624c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_9b4f8909-69c2-4eec-9428-75c9009735eb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GuaranteeObligationsCurrentCarryingValue"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_3878dfcb-4390-45a6-9f66-fc83dd96624c" xlink:to="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_9b4f8909-69c2-4eec-9428-75c9009735eb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_powl_CommitmentsAndContingenciesAdditionalBondingCapacity_d98b8f3e-2da8-4c3f-9044-d486824501cd" xlink:href="powl-20210630.xsd#powl_CommitmentsAndContingenciesAdditionalBondingCapacity"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_3878dfcb-4390-45a6-9f66-fc83dd96624c" xlink:to="loc_powl_CommitmentsAndContingenciesAdditionalBondingCapacity_d98b8f3e-2da8-4c3f-9044-d486824501cd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_886eb424-3119-4c72-877d-f88c424cd6f1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_3878dfcb-4390-45a6-9f66-fc83dd96624c" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_886eb424-3119-4c72-877d-f88c424cd6f1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_b148ab2a-ad42-469b-a946-7ea8fe14f716" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_3878dfcb-4390-45a6-9f66-fc83dd96624c" xlink:to="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_b148ab2a-ad42-469b-a946-7ea8fe14f716" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_powl_CashCollateralRequiredForGuaranteesPeriod_a8331b89-afb3-4f1b-925e-1410910e2a48" xlink:href="powl-20210630.xsd#powl_CashCollateralRequiredForGuaranteesPeriod"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsLineItems_3878dfcb-4390-45a6-9f66-fc83dd96624c" xlink:to="loc_powl_CashCollateralRequiredForGuaranteesPeriod_a8331b89-afb3-4f1b-925e-1410910e2a48" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/StockBasedCompensation" xlink:type="simple" xlink:href="powl-20210630.xsd#StockBasedCompensation"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/StockBasedCompensation" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_44c7ab67-9157-4ae8-a52a-589bb11e8969" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_6c614f3f-fb69-49a6-a282-fc0d93b8abac" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_44c7ab67-9157-4ae8-a52a-589bb11e8969" xlink:to="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_6c614f3f-fb69-49a6-a282-fc0d93b8abac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/StockBasedCompensationTables" xlink:type="simple" xlink:href="powl-20210630.xsd#StockBasedCompensationTables"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/StockBasedCompensationTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_10b385ce-4e35-4ce5-a3d8-fbf374f0a62b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_af37a7cb-8ff8-4494-9f7b-7faddf82807b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_10b385ce-4e35-4ce5-a3d8-fbf374f0a62b" xlink:to="loc_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_af37a7cb-8ff8-4494-9f7b-7faddf82807b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/StockBasedCompensationNarrativeDetails" xlink:type="simple" xlink:href="powl-20210630.xsd#StockBasedCompensationNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/StockBasedCompensationNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_70e2a273-df2e-405b-956b-2bf30785d165" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_10a359a0-ba60-4a44-a659-c2885c103dcb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_70e2a273-df2e-405b-956b-2bf30785d165" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_10a359a0-ba60-4a44-a659-c2885c103dcb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_d48ce03d-0db7-4208-bad2-6c695290565f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AwardTypeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_10a359a0-ba60-4a44-a659-c2885c103dcb" xlink:to="loc_us-gaap_AwardTypeAxis_d48ce03d-0db7-4208-bad2-6c695290565f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_660c4540-bab7-4d02-be1b-4b0be5e870e3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_d48ce03d-0db7-4208-bad2-6c695290565f" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_660c4540-bab7-4d02-be1b-4b0be5e870e3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_63966fbe-480b-4f3a-bb01-f87bde961d3d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_660c4540-bab7-4d02-be1b-4b0be5e870e3" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_63966fbe-480b-4f3a-bb01-f87bde961d3d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockMember_8bc6d066-444c-4c46-abc0-5e4032750263" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestrictedStockMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_660c4540-bab7-4d02-be1b-4b0be5e870e3" xlink:to="loc_us-gaap_RestrictedStockMember_8bc6d066-444c-4c46-abc0-5e4032750263" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_055e8542-4d77-43a3-bfe9-2d1daa5baa0d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_10a359a0-ba60-4a44-a659-c2885c103dcb" xlink:to="loc_us-gaap_StatementClassOfStockAxis_055e8542-4d77-43a3-bfe9-2d1daa5baa0d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_dc6e656f-1c2c-4115-9eee-174b94721a35" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementClassOfStockAxis_055e8542-4d77-43a3-bfe9-2d1daa5baa0d" xlink:to="loc_us-gaap_ClassOfStockDomain_dc6e656f-1c2c-4115-9eee-174b94721a35" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_powl_TimeBasedRestrictedStockUnitMember_3e185b27-a4c9-448e-8361-b16b7ae11fd5" xlink:href="powl-20210630.xsd#powl_TimeBasedRestrictedStockUnitMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_dc6e656f-1c2c-4115-9eee-174b94721a35" xlink:to="loc_powl_TimeBasedRestrictedStockUnitMember_3e185b27-a4c9-448e-8361-b16b7ae11fd5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_powl_PerformanceBasedRestrictedStockUnitMember_f20be729-d258-4f94-ab28-d4b88377c6d5" xlink:href="powl-20210630.xsd#powl_PerformanceBasedRestrictedStockUnitMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_dc6e656f-1c2c-4115-9eee-174b94721a35" xlink:to="loc_powl_PerformanceBasedRestrictedStockUnitMember_f20be729-d258-4f94-ab28-d4b88377c6d5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameAxis_969966c6-9038-4198-9cf8-67556a019257" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PlanNameAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_10a359a0-ba60-4a44-a659-c2885c103dcb" xlink:to="loc_us-gaap_PlanNameAxis_969966c6-9038-4198-9cf8-67556a019257" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameDomain_70b87e80-1402-4ec2-bb89-1de3757aa445" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PlanNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PlanNameAxis_969966c6-9038-4198-9cf8-67556a019257" xlink:to="loc_us-gaap_PlanNameDomain_70b87e80-1402-4ec2-bb89-1de3757aa445" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_powl_NonEmployeeDirectorEquityIncentivePlanMember_c6a49f02-80d8-4e18-988a-e4078ee590e1" xlink:href="powl-20210630.xsd#powl_NonEmployeeDirectorEquityIncentivePlanMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PlanNameDomain_70b87e80-1402-4ec2-bb89-1de3757aa445" xlink:to="loc_powl_NonEmployeeDirectorEquityIncentivePlanMember_c6a49f02-80d8-4e18-988a-e4078ee590e1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingAxis_15673e74-0e40-48ce-a30c-581493fa6179" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VestingAxis"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_10a359a0-ba60-4a44-a659-c2885c103dcb" xlink:to="loc_us-gaap_VestingAxis_15673e74-0e40-48ce-a30c-581493fa6179" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingDomain_b1772e86-aefb-45e8-a4ef-9ab18eae2dcf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VestingDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VestingAxis_15673e74-0e40-48ce-a30c-581493fa6179" xlink:to="loc_us-gaap_VestingDomain_b1772e86-aefb-45e8-a4ef-9ab18eae2dcf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_ad95c5fd-4af3-494e-9059-a8f836df04bb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationAwardTrancheOneMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VestingDomain_b1772e86-aefb-45e8-a4ef-9ab18eae2dcf" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheOneMember_ad95c5fd-4af3-494e-9059-a8f836df04bb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_7e6fa852-f9ea-485e-8c46-2f6b82762999" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationAwardTrancheTwoMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VestingDomain_b1772e86-aefb-45e8-a4ef-9ab18eae2dcf" xlink:to="loc_us-gaap_ShareBasedCompensationAwardTrancheTwoMember_7e6fa852-f9ea-485e-8c46-2f6b82762999" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e78ccc16-4d3e-4034-b496-b2a270a663e5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_10a359a0-ba60-4a44-a659-c2885c103dcb" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e78ccc16-4d3e-4034-b496-b2a270a663e5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_6daa51b2-35ee-472a-ab82-a6ffd381a10e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e78ccc16-4d3e-4034-b496-b2a270a663e5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_6daa51b2-35ee-472a-ab82-a6ffd381a10e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_cf638847-5756-45ec-88df-bf5bc22b7c51" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e78ccc16-4d3e-4034-b496-b2a270a663e5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_cf638847-5756-45ec-88df-bf5bc22b7c51" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_a94b7fff-4cbf-4288-a1cf-caeb069f6313" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e78ccc16-4d3e-4034-b496-b2a270a663e5" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_a94b7fff-4cbf-4288-a1cf-caeb069f6313" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_powl_ShareBasedCompensationArrangementByShareBasedPaymentAwardAnnualSharesIssuable_4cd94fda-6487-42ff-b5a4-337ac535c40b" xlink:href="powl-20210630.xsd#powl_ShareBasedCompensationArrangementByShareBasedPaymentAwardAnnualSharesIssuable"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e78ccc16-4d3e-4034-b496-b2a270a663e5" xlink:to="loc_powl_ShareBasedCompensationArrangementByShareBasedPaymentAwardAnnualSharesIssuable_4cd94fda-6487-42ff-b5a4-337ac535c40b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_03235b81-2908-4c3c-9ed1-7e05bba4dbc1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e78ccc16-4d3e-4034-b496-b2a270a663e5" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage_03235b81-2908-4c3c-9ed1-7e05bba4dbc1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_74ba8288-37db-4ad9-92af-642ac489bb1a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e78ccc16-4d3e-4034-b496-b2a270a663e5" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod_74ba8288-37db-4ad9-92af-642ac489bb1a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesIssuedPricePerShare_ef1906a8-ec31-47c9-86ad-57bfa3c0eb22" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharesIssuedPricePerShare"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e78ccc16-4d3e-4034-b496-b2a270a663e5" xlink:to="loc_us-gaap_SharesIssuedPricePerShare_ef1906a8-ec31-47c9-86ad-57bfa3c0eb22" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/StockBasedCompensationScheduleofRestrictedStockUnitsActivityDetails" xlink:type="simple" xlink:href="powl-20210630.xsd#StockBasedCompensationScheduleofRestrictedStockUnitsActivityDetails"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/StockBasedCompensationScheduleofRestrictedStockUnitsActivityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_4ed0ffc0-466e-4925-875a-b4e4091916b3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_83698ffb-3a44-4946-a002-21fca6d27de4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_4ed0ffc0-466e-4925-875a-b4e4091916b3" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_83698ffb-3a44-4946-a002-21fca6d27de4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_5507bec0-930c-40cb-8fee-c5aefea97a64" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AwardTypeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_83698ffb-3a44-4946-a002-21fca6d27de4" xlink:to="loc_us-gaap_AwardTypeAxis_5507bec0-930c-40cb-8fee-c5aefea97a64" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_37037101-090a-4597-b1d7-2cc81ef12c11" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_5507bec0-930c-40cb-8fee-c5aefea97a64" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_37037101-090a-4597-b1d7-2cc81ef12c11" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_8487fd4d-0dba-49c3-ad66-2f0d39be86e0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_37037101-090a-4597-b1d7-2cc81ef12c11" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_8487fd4d-0dba-49c3-ad66-2f0d39be86e0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4ff6825e-55f2-4fac-b915-e0f1ade7daf9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_83698ffb-3a44-4946-a002-21fca6d27de4" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4ff6825e-55f2-4fac-b915-e0f1ade7daf9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_c91c468d-36ec-43dc-949d-8619bd7915a2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_4ff6825e-55f2-4fac-b915-e0f1ade7daf9" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_c91c468d-36ec-43dc-949d-8619bd7915a2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_c7ebae30-6e22-4ab2-899b-3643e74bf7dc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_c91c468d-36ec-43dc-949d-8619bd7915a2" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_c7ebae30-6e22-4ab2-899b-3643e74bf7dc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_8dda7db0-b161-411c-bb55-ea6c6bab8934" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_c7ebae30-6e22-4ab2-899b-3643e74bf7dc" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_8dda7db0-b161-411c-bb55-ea6c6bab8934" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_ad2a77d2-26ae-4d42-9544-c36d7ddc5a35" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_c7ebae30-6e22-4ab2-899b-3643e74bf7dc" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_ad2a77d2-26ae-4d42-9544-c36d7ddc5a35" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_64228f8f-9327-41a4-8c13-c3a4e880b207" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_c7ebae30-6e22-4ab2-899b-3643e74bf7dc" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_64228f8f-9327-41a4-8c13-c3a4e880b207" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_3feb0967-e672-45e1-b457-54010f36d906" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_c7ebae30-6e22-4ab2-899b-3643e74bf7dc" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_3feb0967-e672-45e1-b457-54010f36d906" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_1c393a55-ee7f-4309-b501-83b816d519b0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_c7ebae30-6e22-4ab2-899b-3643e74bf7dc" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_1c393a55-ee7f-4309-b501-83b816d519b0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_09d2f2ae-9bd2-4586-999f-744c8b14d431" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward_c91c468d-36ec-43dc-949d-8619bd7915a2" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_09d2f2ae-9bd2-4586-999f-744c8b14d431" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_440cf680-bf0a-4b49-9698-68860a197bb7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_09d2f2ae-9bd2-4586-999f-744c8b14d431" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_440cf680-bf0a-4b49-9698-68860a197bb7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_00bd5485-5df5-4482-9a47-2d0e12ca9389" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_09d2f2ae-9bd2-4586-999f-744c8b14d431" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_00bd5485-5df5-4482-9a47-2d0e12ca9389" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_7ea938f5-6429-4943-b8a3-eb1ab1ec8dd9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_09d2f2ae-9bd2-4586-999f-744c8b14d431" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_7ea938f5-6429-4943-b8a3-eb1ab1ec8dd9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_b77ce660-99a4-44ea-ad5b-47486a2de401" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_09d2f2ae-9bd2-4586-999f-744c8b14d431" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_b77ce660-99a4-44ea-ad5b-47486a2de401" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_ea047f2a-de0e-415f-b03d-56cc39659f62" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_09d2f2ae-9bd2-4586-999f-744c8b14d431" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_ea047f2a-de0e-415f-b03d-56cc39659f62" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/FairValueMeasurements" xlink:type="simple" xlink:href="powl-20210630.xsd#FairValueMeasurements"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/FairValueMeasurements" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_cdac3d89-1a26-4eea-bf89-21e3eda28388" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueDisclosuresAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresTextBlock_d2af33f1-1115-457c-99b5-11ea2f7ea9e6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_cdac3d89-1a26-4eea-bf89-21e3eda28388" xlink:to="loc_us-gaap_FairValueDisclosuresTextBlock_d2af33f1-1115-457c-99b5-11ea2f7ea9e6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/FairValueMeasurementsTables" xlink:type="simple" xlink:href="powl-20210630.xsd#FairValueMeasurementsTables"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/FairValueMeasurementsTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_779f973c-b19c-4b2e-99f1-19340b7ac4dd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueDisclosuresAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_021fa484-4d55-406b-9942-1afc44fe5307" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_779f973c-b19c-4b2e-99f1-19340b7ac4dd" xlink:to="loc_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_021fa484-4d55-406b-9942-1afc44fe5307" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/FairValueMeasurementsDetails" xlink:type="simple" xlink:href="powl-20210630.xsd#FairValueMeasurementsDetails"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/FairValueMeasurementsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_d0a8af61-83b5-4dd0-9a20-e41701685748" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueDisclosuresAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_5de15893-db1c-4304-a343-c4c049e93206" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_d0a8af61-83b5-4dd0-9a20-e41701685748" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_5de15893-db1c-4304-a343-c4c049e93206" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_55b6bb37-33dc-4734-8b65-7f4af9988a47" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_5de15893-db1c-4304-a343-c4c049e93206" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_55b6bb37-33dc-4734-8b65-7f4af9988a47" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_e6e61cca-f26f-4594-8eb6-c2095db149aa" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_55b6bb37-33dc-4734-8b65-7f4af9988a47" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_e6e61cca-f26f-4594-8eb6-c2095db149aa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_683a4075-1e18-43d7-8d41-88d4cdd4540b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_e6e61cca-f26f-4594-8eb6-c2095db149aa" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_683a4075-1e18-43d7-8d41-88d4cdd4540b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_038f50f5-addc-4ad3-9177-9fd8870b9471" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_e6e61cca-f26f-4594-8eb6-c2095db149aa" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_038f50f5-addc-4ad3-9177-9fd8870b9471" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_203319a3-1846-43a7-ac3b-c429a3c8b68a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_e6e61cca-f26f-4594-8eb6-c2095db149aa" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_203319a3-1846-43a7-ac3b-c429a3c8b68a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_a8d33acb-1466-4f62-a3fa-0d92f58b94e7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_5de15893-db1c-4304-a343-c4c049e93206" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_a8d33acb-1466-4f62-a3fa-0d92f58b94e7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosureAbstract_4b65a3e9-7455-4b2b-bf52-51899a4b872b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsFairValueDisclosureAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_a8d33acb-1466-4f62-a3fa-0d92f58b94e7" xlink:to="loc_us-gaap_AssetsFairValueDisclosureAbstract_4b65a3e9-7455-4b2b-bf52-51899a4b872b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_46814698-d7ad-451f-8076-c1cb20d9b0f1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_4b65a3e9-7455-4b2b-bf52-51899a4b872b" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_46814698-d7ad-451f-8076-c1cb20d9b0f1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_powl_ShorttermInvestmentsFairValueDisclosure_ad92a46c-0e3a-4972-8dcb-c17a9d4d71cb" xlink:href="powl-20210630.xsd#powl_ShorttermInvestmentsFairValueDisclosure"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_4b65a3e9-7455-4b2b-bf52-51899a4b872b" xlink:to="loc_powl_ShorttermInvestmentsFairValueDisclosure_ad92a46c-0e3a-4972-8dcb-c17a9d4d71cb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsFairValueDisclosure_14e8ff98-8a38-43c7-92eb-f97fa4fb0f9d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherAssetsFairValueDisclosure"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_4b65a3e9-7455-4b2b-bf52-51899a4b872b" xlink:to="loc_us-gaap_OtherAssetsFairValueDisclosure_14e8ff98-8a38-43c7-92eb-f97fa4fb0f9d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_0a39fec3-8327-48af-95be-223fe45f39f2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosureAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_a8d33acb-1466-4f62-a3fa-0d92f58b94e7" xlink:to="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_0a39fec3-8327-48af-95be-223fe45f39f2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent_7b1bfcd3-6ba7-4f74-a7e7-158d373e2d8c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_0a39fec3-8327-48af-95be-223fe45f39f2" xlink:to="loc_us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent_7b1bfcd3-6ba7-4f74-a7e7-158d373e2d8c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/Leases" xlink:type="simple" xlink:href="powl-20210630.xsd#Leases"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/Leases" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeasesAbstract_0a114103-c5f2-454d-a997-26b4ec90c9d3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeasesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeasesTextBlock_25dbde57-3376-4562-899f-07204274b6d2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeasesTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_0a114103-c5f2-454d-a997-26b4ec90c9d3" xlink:to="loc_us-gaap_LesseeOperatingLeasesTextBlock_25dbde57-3376-4562-899f-07204274b6d2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/LeasesTables" xlink:type="simple" xlink:href="powl-20210630.xsd#LeasesTables"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/LeasesTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeasesAbstract_870dfe50-46ee-4bca-b077-e500260d7bdb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeasesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseCostTableTextBlock_c0ca983d-4684-4b16-8e7f-1cac4b5b2aac" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeaseCostTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_870dfe50-46ee-4bca-b077-e500260d7bdb" xlink:to="loc_us-gaap_LeaseCostTableTextBlock_c0ca983d-4684-4b16-8e7f-1cac4b5b2aac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_powl_LesseeAssetsAndLiabilitiesTableTextBlock_c02cdd6a-72fa-41cc-9aa6-16f508641820" xlink:href="powl-20210630.xsd#powl_LesseeAssetsAndLiabilitiesTableTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_870dfe50-46ee-4bca-b077-e500260d7bdb" xlink:to="loc_powl_LesseeAssetsAndLiabilitiesTableTextBlock_c02cdd6a-72fa-41cc-9aa6-16f508641820" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_54f33059-53eb-4a4d-b1f8-03a18899065c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_870dfe50-46ee-4bca-b077-e500260d7bdb" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_54f33059-53eb-4a4d-b1f8-03a18899065c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/LeasesLeaseCostsDetails" xlink:type="simple" xlink:href="powl-20210630.xsd#LeasesLeaseCostsDetails"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/LeasesLeaseCostsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeasesAbstract_57b579a1-dcb6-4e8b-844b-ea6f4ecee611" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeasesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseCost_7542b301-7448-40b6-a8d5-ca3d9a4b147b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseCost"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_57b579a1-dcb6-4e8b-844b-ea6f4ecee611" xlink:to="loc_us-gaap_OperatingLeaseCost_7542b301-7448-40b6-a8d5-ca3d9a4b147b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubleaseIncome_59cad6bf-1034-4432-aa2f-921db165fabe" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubleaseIncome"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_57b579a1-dcb6-4e8b-844b-ea6f4ecee611" xlink:to="loc_us-gaap_SubleaseIncome_59cad6bf-1034-4432-aa2f-921db165fabe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableLeaseCost_a0b00608-9544-4d93-a0fb-6b87def94842" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableLeaseCost"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_57b579a1-dcb6-4e8b-844b-ea6f4ecee611" xlink:to="loc_us-gaap_VariableLeaseCost_a0b00608-9544-4d93-a0fb-6b87def94842" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermLeaseCost_f0e3650c-06ed-4845-a698-2f90f6bffcec" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShortTermLeaseCost"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_57b579a1-dcb6-4e8b-844b-ea6f4ecee611" xlink:to="loc_us-gaap_ShortTermLeaseCost_f0e3650c-06ed-4845-a698-2f90f6bffcec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseCost_c4e3f478-f836-4e7e-a85b-4180e55f84a6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeaseCost"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_57b579a1-dcb6-4e8b-844b-ea6f4ecee611" xlink:to="loc_us-gaap_LeaseCost_c4e3f478-f836-4e7e-a85b-4180e55f84a6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/LeasesNarrativeDetails" xlink:type="simple" xlink:href="powl-20210630.xsd#LeasesNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/LeasesNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeasesAbstract_93bf7e41-bd01-4db9-aaaa-5794d60f9a94" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeasesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_powl_OperatingLeaseRightOfUseAssetLeaseAccrual_be1b4bd3-42e5-4756-9ff8-002042d32a88" xlink:href="powl-20210630.xsd#powl_OperatingLeaseRightOfUseAssetLeaseAccrual"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_93bf7e41-bd01-4db9-aaaa-5794d60f9a94" xlink:to="loc_powl_OperatingLeaseRightOfUseAssetLeaseAccrual_be1b4bd3-42e5-4756-9ff8-002042d32a88" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_830ba127-1732-4c47-93da-604182856461" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_93bf7e41-bd01-4db9-aaaa-5794d60f9a94" xlink:to="loc_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_830ba127-1732-4c47-93da-604182856461" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_92c23f0a-958d-4f7f-8e59-d0b2dd0cbc75" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_93bf7e41-bd01-4db9-aaaa-5794d60f9a94" xlink:to="loc_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_92c23f0a-958d-4f7f-8e59-d0b2dd0cbc75" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/LeasesSummaryofOperatingLeaseAssetsandLiabilitiesDetails" xlink:type="simple" xlink:href="powl-20210630.xsd#LeasesSummaryofOperatingLeaseAssetsandLiabilitiesDetails"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/LeasesSummaryofOperatingLeaseAssetsandLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeasesAbstract_9095701e-ba9f-4f4b-bcd8-f401ceff2115" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeasesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAndLiabilitiesLesseeAbstract_db929363-efe1-4954-8c40-bd72dbf2676e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsAndLiabilitiesLesseeAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_9095701e-ba9f-4f4b-bcd8-f401ceff2115" xlink:to="loc_us-gaap_AssetsAndLiabilitiesLesseeAbstract_db929363-efe1-4954-8c40-bd72dbf2676e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_powl_LeaseAssetsAbstractAbstract_24e73aca-8d8e-45f5-935d-0c727244c127" xlink:href="powl-20210630.xsd#powl_LeaseAssetsAbstractAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAndLiabilitiesLesseeAbstract_db929363-efe1-4954-8c40-bd72dbf2676e" xlink:to="loc_powl_LeaseAssetsAbstractAbstract_24e73aca-8d8e-45f5-935d-0c727244c127" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_c3607f2d-e93f-4dd9-a44a-de9a2c950ac2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_powl_LeaseAssetsAbstractAbstract_24e73aca-8d8e-45f5-935d-0c727244c127" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_c3607f2d-e93f-4dd9-a44a-de9a2c950ac2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_powl_LeaseLiabilitiesAbstract_d30b7331-cc9f-4493-baaf-cc30c21313c4" xlink:href="powl-20210630.xsd#powl_LeaseLiabilitiesAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAndLiabilitiesLesseeAbstract_db929363-efe1-4954-8c40-bd72dbf2676e" xlink:to="loc_powl_LeaseLiabilitiesAbstract_d30b7331-cc9f-4493-baaf-cc30c21313c4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_d21c2fda-daf7-439f-a186-bc035156f567" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_powl_LeaseLiabilitiesAbstract_d30b7331-cc9f-4493-baaf-cc30c21313c4" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_d21c2fda-daf7-439f-a186-bc035156f567" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_8c0f4b1e-ecc5-4e0b-8c00-6a7250823205" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_powl_LeaseLiabilitiesAbstract_d30b7331-cc9f-4493-baaf-cc30c21313c4" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_8c0f4b1e-ecc5-4e0b-8c00-6a7250823205" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_4cffbbc7-4eb5-4f24-9593-c7d3fc84d1dc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_powl_LeaseLiabilitiesAbstract_d30b7331-cc9f-4493-baaf-cc30c21313c4" xlink:to="loc_us-gaap_OperatingLeaseLiability_4cffbbc7-4eb5-4f24-9593-c7d3fc84d1dc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/LeasesMaturitiesofOperatingLeaseLiabilitiesDetails" xlink:type="simple" xlink:href="powl-20210630.xsd#LeasesMaturitiesofOperatingLeaseLiabilitiesDetails"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/LeasesMaturitiesofOperatingLeaseLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeasesAbstract_23910962-d9cf-4120-99da-304193c0fd39" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeasesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_12925723-5f20-4f0f-a52e-3293ecf30ce1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_23910962-d9cf-4120-99da-304193c0fd39" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_12925723-5f20-4f0f-a52e-3293ecf30ce1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_f5b6397c-e247-4d3a-8fce-b14ba5d76d45" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_23910962-d9cf-4120-99da-304193c0fd39" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_f5b6397c-e247-4d3a-8fce-b14ba5d76d45" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_8171d82c-c727-4092-b462-9a56efa9f19f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_23910962-d9cf-4120-99da-304193c0fd39" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_8171d82c-c727-4092-b462-9a56efa9f19f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_a58c4941-240f-4a9c-98c9-e4480de5b32c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_23910962-d9cf-4120-99da-304193c0fd39" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_a58c4941-240f-4a9c-98c9-e4480de5b32c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_00cf3d86-a8ca-47db-8780-f284ecfed6a9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_23910962-d9cf-4120-99da-304193c0fd39" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_00cf3d86-a8ca-47db-8780-f284ecfed6a9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_powl_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour_a1ba5c8e-c93f-4ce3-bd10-abbedcf2f480" xlink:href="powl-20210630.xsd#powl_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_23910962-d9cf-4120-99da-304193c0fd39" xlink:to="loc_powl_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour_a1ba5c8e-c93f-4ce3-bd10-abbedcf2f480" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_e5a20e0b-b16f-4180-b716-c0415aa45fc7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_23910962-d9cf-4120-99da-304193c0fd39" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_e5a20e0b-b16f-4180-b716-c0415aa45fc7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_e8fc8160-5e99-4459-9e17-10ea0be3ff09" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_23910962-d9cf-4120-99da-304193c0fd39" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_e8fc8160-5e99-4459-9e17-10ea0be3ff09" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_5504ff1f-0653-4c9a-b42f-ea975eaf00de" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LeasesAbstract_23910962-d9cf-4120-99da-304193c0fd39" xlink:to="loc_us-gaap_OperatingLeaseLiability_5504ff1f-0653-4c9a-b42f-ea975eaf00de" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/netLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/LeasesMaturitiesofOperatingLeaseLiabilitiesDetails_1" xlink:type="simple" xlink:href="powl-20210630.xsd#LeasesMaturitiesofOperatingLeaseLiabilitiesDetails_1"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/LeasesMaturitiesofOperatingLeaseLiabilitiesDetails_1" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.powellind.com/role/IncomeTaxes" xlink:type="simple" xlink:href="powl-20210630.xsd#IncomeTaxes"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/IncomeTaxes" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_db9606a2-f01c-49cc-9512-f0f8cae18f8e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureTextBlock_cb031246-caba-4650-b0f9-bf502b68612f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_db9606a2-f01c-49cc-9512-f0f8cae18f8e" xlink:to="loc_us-gaap_IncomeTaxDisclosureTextBlock_cb031246-caba-4650-b0f9-bf502b68612f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/IncomeTaxesTables" xlink:type="simple" xlink:href="powl-20210630.xsd#IncomeTaxesTables"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/IncomeTaxesTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_ecd112a8-b3fa-4ccd-8433-0ce70738644f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_16a47a1a-955d-4a42-bc76-d603959d10e5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_ecd112a8-b3fa-4ccd-8433-0ce70738644f" xlink:to="loc_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock_16a47a1a-955d-4a42-bc76-d603959d10e5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/IncomeTaxesScheduleofCalculationoftheEffectiveTaxRateDetails" xlink:type="simple" xlink:href="powl-20210630.xsd#IncomeTaxesScheduleofCalculationoftheEffectiveTaxRateDetails"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/IncomeTaxesScheduleofCalculationoftheEffectiveTaxRateDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_092beb4d-f2e3-46b5-b407-46a6da9b3644" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_26a9f6e1-9521-481f-9260-9b3fa5343a21" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_092beb4d-f2e3-46b5-b407-46a6da9b3644" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_26a9f6e1-9521-481f-9260-9b3fa5343a21" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_a56fa615-4fe6-4f01-b084-37f95861fdb7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_092beb4d-f2e3-46b5-b407-46a6da9b3644" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_a56fa615-4fe6-4f01-b084-37f95861fdb7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_bb25ae96-89a7-4c59-870a-7ed419af2c5d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_092beb4d-f2e3-46b5-b407-46a6da9b3644" xlink:to="loc_us-gaap_NetIncomeLoss_bb25ae96-89a7-4c59-870a-7ed419af2c5d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_cb59b30a-d78c-4ee2-afdd-3c7b5a5e8a5d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_092beb4d-f2e3-46b5-b407-46a6da9b3644" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_cb59b30a-d78c-4ee2-afdd-3c7b5a5e8a5d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/IncomeTaxesNarrativeDetails" xlink:type="simple" xlink:href="powl-20210630.xsd#IncomeTaxesNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/IncomeTaxesNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_020d72fe-0339-4a48-a6f8-5fee1367e037" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions_d0111095-a377-48d9-8ece-d9a88a90c7c0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_020d72fe-0339-4a48-a6f8-5fee1367e037" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions_d0111095-a377-48d9-8ece-d9a88a90c7c0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_b2fe628c-e80b-4c47-8423-6a0b4e3f1733" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_020d72fe-0339-4a48-a6f8-5fee1367e037" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_b2fe628c-e80b-4c47-8423-6a0b4e3f1733" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/SubsequentEvents" xlink:type="simple" xlink:href="powl-20210630.xsd#SubsequentEvents"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/SubsequentEvents" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventsAbstract_df7a2b5f-1ddd-4929-90f1-594731a65917" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventsTextBlock_c8a1c5bf-c82e-4bde-9669-58e93bc5b2bf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventsTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventsAbstract_df7a2b5f-1ddd-4929-90f1-594731a65917" xlink:to="loc_us-gaap_SubsequentEventsTextBlock_c8a1c5bf-c82e-4bde-9669-58e93bc5b2bf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.powellind.com/role/SubsequentEventsDetails" xlink:type="simple" xlink:href="powl-20210630.xsd#SubsequentEventsDetails"/>
  <link:presentationLink xlink:role="http://www.powellind.com/role/SubsequentEventsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventsAbstract_8e140496-7921-4735-96a3-5435e2d61d5f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTable_be20b92c-87b4-4dfa-b220-cb65b5bd498c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventsAbstract_8e140496-7921-4735-96a3-5435e2d61d5f" xlink:to="loc_us-gaap_SubsequentEventTable_be20b92c-87b4-4dfa-b220-cb65b5bd498c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_a2e9550a-9995-4f3f-8924-adde92b747bd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTable_be20b92c-87b4-4dfa-b220-cb65b5bd498c" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_a2e9550a-9995-4f3f-8924-adde92b747bd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_493e4d8f-d13d-4b10-860c-c15f207a0425" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_a2e9550a-9995-4f3f-8924-adde92b747bd" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_493e4d8f-d13d-4b10-860c-c15f207a0425" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_48f3655c-798a-4140-a13f-56eb17c93a2f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_493e4d8f-d13d-4b10-860c-c15f207a0425" xlink:to="loc_us-gaap_SubsequentEventMember_48f3655c-798a-4140-a13f-56eb17c93a2f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventLineItems_fea3d0a6-a170-4f8f-aa9f-a3966ee4c00b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTable_be20b92c-87b4-4dfa-b220-cb65b5bd498c" xlink:to="loc_us-gaap_SubsequentEventLineItems_fea3d0a6-a170-4f8f-aa9f-a3966ee4c00b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_e9c28f57-b77f-46c0-bdc6-a528847d18c4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventLineItems_fea3d0a6-a170-4f8f-aa9f-a3966ee4c00b" xlink:to="loc_us-gaap_CommonStockDividendsPerShareDeclared_e9c28f57-b77f-46c0-bdc6-a528847d18c4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
</link:linkbase>
