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  <ccc>XXXXXXXX</ccc>
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  <liveTestFlag>LIVE</liveTestFlag>
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  <issuerCik>0001697500</issuerCik>
  <issuerName>Solaris Energy Infrastructure, Inc.</issuerName>
  <secFileNumber>001-38090</secFileNumber>
  <issuerAddress>
  <street1 xmlns="http://www.sec.gov/edgar/common">9651 Katy Freeway, Suite 300</street1>
  <city xmlns="http://www.sec.gov/edgar/common">Houston</city>
  <stateOrCountry xmlns="http://www.sec.gov/edgar/common">TX</stateOrCountry>
  <zipCode xmlns="http://www.sec.gov/edgar/common">77024</zipCode>
  </issuerAddress>
  <issuerContactPhone>281-501-3070</issuerContactPhone>
  <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>J Turbines, Inc.</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
  <relationshipsToIssuer>
  <relationshipToIssuer>10% Owner</relationshipToIssuer>
  </relationshipsToIssuer>
  </issuerInfo>
  <securitiesInformation>
  <securitiesClassTitle>Class A common stock, par value $0.01 per share</securitiesClassTitle>
  <brokerOrMarketmakerDetails>
  <name>Morgan Stanley &amp; Co. LLC</name>
  <address>
  <street1 xmlns="http://www.sec.gov/edgar/common">1585 Broadway</street1>
  <city xmlns="http://www.sec.gov/edgar/common">New York</city>
  <stateOrCountry xmlns="http://www.sec.gov/edgar/common">NY</stateOrCountry>
  <zipCode xmlns="http://www.sec.gov/edgar/common">10036</zipCode>
  </address>
  </brokerOrMarketmakerDetails>
  <noOfUnitsSold>1850000</noOfUnitsSold>
  <aggregateMarketValue>41477000</aggregateMarketValue>
  <noOfUnitsOutstanding>6264783</noOfUnitsOutstanding>
  <approxSaleDate>05/05/2025</approxSaleDate>
  <securitiesExchangeName>NYSE</securitiesExchangeName>
  </securitiesInformation>
  <securitiesToBeSold>
  <securitiesClassTitle>Units of Solaris Energy Infrastructure, LLC and an equal number of shares of Class B common stock, par value $0.00 per share</securitiesClassTitle>
  <acquiredDate>09/11/2024</acquiredDate>
  <natureOfAcquisitionTransaction>Contribution/Acquisition</natureOfAcquisitionTransaction>
  <nameOfPersonfromWhomAcquired>Solaris Energy Infrastructure, Inc.</nameOfPersonfromWhomAcquired>
  <isGiftTransaction>N</isGiftTransaction>
  <amountOfSecuritiesAcquired>8114783</amountOfSecuritiesAcquired>
  <paymentDate>09/11/2024</paymentDate>
  <natureOfPayment>Contriubtion Consideration</natureOfPayment>
  </securitiesToBeSold>
  <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
  <noticeSignature>
  <noticeDate>05/07/2025</noticeDate>
  <signature>Christopher M. Powell</signature>
  </noticeSignature>
  </formData>
  </edgarSubmission>
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text: 144
  0002036326
  XXXXXXXX
  LIVE
  0001697500
  Solaris Energy Infrastructure, Inc.
  001-38090
  9651 Katy Freeway, Suite 300
  Houston
  TX
  77024
  281-501-3070
  J Turbines, Inc.
  10% Owner
  Class A common stock, par value $0.01 per share
  Morgan Stanley & Co. LLC
  1585 Broadway
  New York
  NY
  10036
  1850000
  41477000
  6264783
  05/05/2025
  NYSE
  Units of Solaris Energy Infrastructure, LLC and an equal number of shares of Class B common stock, par value $0.00 per share
  09/11/2024
  Contribution/Acquisition
  Solaris Energy Infrastructure, Inc.
  N
  8114783
  09/11/2024
  Contriubtion Consideration
  Y
  05/07/2025
  Christopher M. Powell