content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
    <headerData>
      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001760055</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0000080420</issuerCik>
        <issuerName>POWELL INDUSTRIES INC</issuerName>
        <secFileNumber>001-12488</secFileNumber>
        <issuerAddress>
          <com:street1>8550 MOSLEY DR</com:street1>
          <com:street2>POST OFFICE BOX 12818</com:street2>
          <com:city>HOUSTON</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>77075</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>7139446900</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>METCALF MICHAEL WILLIAM</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Fidelity Brokerage Services LLC</name>
          <address>
            <com:street1>900 Salem Street</com:street1>
            <com:city>Smithfield</com:city>
            <com:stateOrCountry>RI</com:stateOrCountry>
            <com:zipCode>02917</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>4300</noOfUnitsSold>
        <aggregateMarketValue>714316.00</aggregateMarketValue>
        <noOfUnitsOutstanding>11987838</noOfUnitsOutstanding>
        <approxSaleDate>08/16/2024</approxSaleDate>
        <securitiesExchangeName>NASDAQ</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>12/06/2021</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>4300</amountOfSecuritiesAcquired>
        <paymentDate>12/06/2021</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Michael Metcalf</name>
          <address>
            <com:street1>8550 Mosley Road</com:street1>
            <com:city>Houston</com:city>
            <com:stateOrCountry>TX</com:stateOrCountry>
            <com:zipCode>77075-1180</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>06/07/2024</saleDate>
        <amountOfSecuritiesSold>5800</amountOfSecuritiesSold>
        <grossProceeds>913632.86</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>08/16/2024</noticeDate>
        <planAdoptionDates>
          <planAdoptionDate>02/23/2024</planAdoptionDate>
        </planAdoptionDates>
        <signature>/s/ Gerardo Ibarra-Munoz, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Michael W Metcalf</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
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text: 144
  0001760055
  XXXXXXXX
  LIVE
  0000080420
  POWELL INDUSTRIES INC
  001-12488
  8550 MOSLEY DR
  POST OFFICE BOX 12818
  HOUSTON
  TX
  77075
  7139446900
  METCALF MICHAEL WILLIAM
  Officer
  Common
  Fidelity Brokerage Services LLC
  900 Salem Street
  Smithfield
  RI
  02917
  4300
  714316.00
  11987838
  08/16/2024
  NASDAQ
  Common
  12/06/2021
  Restricted Stock Vesting
  Issuer
  N
  4300
  12/06/2021
  Compensation
  N
  Michael Metcalf
  8550 Mosley Road
  Houston
  TX
  77075-1180
  Common
  06/07/2024
  5800
  913632.86
  08/16/2024
  02/23/2024
  /s/ Gerardo Ibarra-Munoz, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Michael W Metcalf