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>0001891897</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0001844862</issuerCik>
        <issuerName>Solid Power, Inc.</issuerName>
        <secFileNumber>001-40284</secFileNumber>
        <issuerAddress>
          <com:street1>486 S. PIERCE AVE., SUITE E</com:street1>
          <com:city>LOUISVILLE</com:city>
          <com:stateOrCountry>CO</com:stateOrCountry>
          <com:zipCode>80027</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>(303) 219-0720</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Liebscher James</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Former 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>50000</noOfUnitsSold>
        <aggregateMarketValue>80134.75</aggregateMarketValue>
        <noOfUnitsOutstanding>179362078</noOfUnitsOutstanding>
        <approxSaleDate>05/27/2025</approxSaleDate>
        <securitiesExchangeName>NASDAQ</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>03/02/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>3186</amountOfSecuritiesAcquired>
        <paymentDate>03/02/2024</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>03/31/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>7226</amountOfSecuritiesAcquired>
        <paymentDate>03/31/2024</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>05/12/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>7539</amountOfSecuritiesAcquired>
        <paymentDate>05/12/2024</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>06/11/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>16374</amountOfSecuritiesAcquired>
        <paymentDate>06/11/2024</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>06/30/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>7225</amountOfSecuritiesAcquired>
        <paymentDate>06/30/2024</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>09/30/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>7226</amountOfSecuritiesAcquired>
        <paymentDate>09/30/2024</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>12/31/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>1224</amountOfSecuritiesAcquired>
        <paymentDate>12/31/2024</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>James Liebscher</name>
          <address>
            <com:street1>486 S. Pierce Ave.</com:street1>
            <com:street2>Suite E</com:street2>
            <com:city>Louisville</com:city>
            <com:stateOrCountry>CO</com:stateOrCountry>
            <com:zipCode>80027</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>05/23/2025</saleDate>
        <amountOfSecuritiesSold>75000</amountOfSecuritiesSold>
        <grossProceeds>116621.85</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>05/27/2025</noticeDate>
        <signature>/s/ Jennifer Ruchti, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for James Liebscher</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 6714}]
text: 144
  0001891897
  XXXXXXXX
  LIVE
  0001844862
  Solid Power, Inc.
  001-40284
  486 S. PIERCE AVE., SUITE E
  LOUISVILLE
  CO
  80027
  (303) 219-0720
  Liebscher James
  Former Officer
  Common
  Fidelity Brokerage Services LLC
  900 Salem Street
  Smithfield
  RI
  02917
  50000
  80134.75
  179362078
  05/27/2025
  NASDAQ
  Common
  03/02/2024
  Restricted Stock Vesting
  Issuer
  N
  3186
  03/02/2024
  Compensation
  Common
  03/31/2024
  Restricted Stock Vesting
  Issuer
  N
  7226
  03/31/2024
  Compensation
  Common
  05/12/2024
  Restricted Stock Vesting
  Issuer
  N
  7539
  05/12/2024
  Compensation
  Common
  06/11/2024
  Restricted Stock Vesting
  Issuer
  N
  16374
  06/11/2024
  Compensation
  Common
  06/30/2024
  Restricted Stock Vesting
  Issuer
  N
  7225
  06/30/2024
  Compensation
  Common
  09/30/2024
  Restricted Stock Vesting
  Issuer
  N
  7226
  09/30/2024
  Compensation
  Common
  12/31/2024
  Restricted Stock Vesting
  Issuer
  N
  1224
  12/31/2024
  Compensation
  N
  James Liebscher
  486 S. Pierce Ave.
  Suite E
  Louisville
  CO
  80027
  Common
  05/23/2025
  75000
  116621.85
  05/27/2025
  /s/ Jennifer Ruchti, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for James Liebscher