<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
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    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001219199</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>POWELL THOMAS W</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>10% Stockholder</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Charles Schwab Corporation</name>
        <address>
          <com:street1>3000 Schwab Way</com:street1>
          <com:city>Westlake</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76262</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>40000</noOfUnitsSold>
      <aggregateMarketValue>9856400.00</aggregateMarketValue>
      <noOfUnitsOutstanding>11987838</noOfUnitsOutstanding>
      <approxSaleDate>10/04/2024</approxSaleDate>
      <securitiesExchangeName>NADSAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>01/01/1970</acquiredDate>
      <natureOfAcquisitionTransaction>Founder Shares</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>40000</amountOfSecuritiesAcquired>
      <paymentDate>01/01/1970</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Thomas Powell</name>
        <address>
          <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>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>09/25/2024</saleDate>
      <amountOfSecuritiesSold>25000</amountOfSecuritiesSold>
      <grossProceeds>5338842.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <remarks>Shares to be sold acquired between 01/01/1970 - 12/31/1980 via founder shares sale to occur in TWP Holdings LTD</remarks>
    <noticeSignature>
      <noticeDate>10/04/2024</noticeDate>
      <signature>Thomas W Powell</signature>
    </noticeSignature>
  </formData>
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144
0001219199
XXXXXXXX
LIVE
0000080420
POWELL INDUSTRIES INC
001-12488
8550 MOSLEY DR
POST OFFICE BOX 12818
HOUSTON
TX
77075
7139446900
POWELL THOMAS W
10% Stockholder
Common
Charles Schwab Corporation
3000 Schwab Way
Westlake
TX
76262
40000
9856400.00
11987838
10/04/2024
NADSAQ
Common
01/01/1970
Founder Shares
Issuer
N
40000
01/01/1970
Cash
N
Thomas Powell
8550 MOSLEY DR
POST OFFICE BOX 12818
HOUSTON
TX
77075
Common
09/25/2024
25000
5338842.00
Shares to be sold acquired between 01/01/1970 - 12/31/1980 via founder shares sale to occur in TWP Holdings LTD
10/04/2024
Thomas W Powell