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>0001770310</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
      </filerInfo>
    </headerData>
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      <issuerInfo>
        <issuerCik>0000927003</issuerCik>
        <issuerName>ADVANCED ENERGY INDUSTRIES INC</issuerName>
        <secFileNumber>000-26966</secFileNumber>
        <issuerAddress>
          <com:street1>ATTN:  PAUL OLDHAM</com:street1>
          <com:street2>1595 WYNKOOP ST, SUITE 800</com:street2>
          <com:city>DENVER</com:city>
          <com:stateOrCountry>CO</com:stateOrCountry>
          <com:zipCode>80202</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>9704076626</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>DelSanto Anne</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Director</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Ameriprise Financial</name>
          <address>
            <com:street1>2865 Ameriprise Financial Center</com:street1>
            <com:city>Minneapolis</com:city>
            <com:stateOrCountry>MN</com:stateOrCountry>
            <com:zipCode>55474</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>148</noOfUnitsSold>
        <aggregateMarketValue>15282.48</aggregateMarketValue>
        <noOfUnitsOutstanding>37651044</noOfUnitsOutstanding>
        <approxSaleDate>10/02/2023</approxSaleDate>
        <securitiesExchangeName>NASDAQ</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>06/03/2021</acquiredDate>
        <natureOfAcquisitionTransaction>Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Advanced Energy Industries Inc</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>148</amountOfSecuritiesAcquired>
        <paymentDate>06/03/2021</paymentDate>
        <natureOfPayment>Stock Award</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <remarks>Sale made as part of 10B5-1 Plan</remarks>
      <noticeSignature>
        <noticeDate>10/02/2023</noticeDate>
        <planAdoptionDates>
          <planAdoptionDate>06/20/2023</planAdoptionDate>
        </planAdoptionDates>
        <signature>Anne DelSanto by Alexander Meginnes</signature>
      </noticeSignature>
    </formData>
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metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 2982}]
text: 144
  0001770310
  XXXXXXXX
  LIVE
  0000927003
  ADVANCED ENERGY INDUSTRIES INC
  000-26966
  ATTN:  PAUL OLDHAM
  1595 WYNKOOP ST, SUITE 800
  DENVER
  CO
  80202
  9704076626
  DelSanto Anne
  Director
  Common
  Ameriprise Financial
  2865 Ameriprise Financial Center
  Minneapolis
  MN
  55474
  148
  15282.48
  37651044
  10/02/2023
  NASDAQ
  Common
  06/03/2021
  Stock Award
  Advanced Energy Industries Inc
  N
  148
  06/03/2021
  Stock Award
  Y
  Sale made as part of 10B5-1 Plan
  10/02/2023
  06/20/2023
  Anne DelSanto by Alexander Meginnes