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>0001732499</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0001031296</issuerCik>
        <issuerName>FIRSTENERGY CORP</issuerName>
        <secFileNumber>333-21011</secFileNumber>
        <issuerAddress>
          <com:street1>341 WHITE POND DRIVE</com:street1>
          <com:city>AKRON</com:city>
          <com:stateOrCountry>OH</com:stateOrCountry>
          <com:zipCode>44320</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>330-761-7837</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Lisowski Jason</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>12000</noOfUnitsSold>
        <aggregateMarketValue>503652.23</aggregateMarketValue>
        <noOfUnitsOutstanding>577156244</noOfUnitsOutstanding>
        <approxSaleDate>05/22/2025</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>06/02/2020</acquiredDate>
        <natureOfAcquisitionTransaction>Dividend Reinvestment</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>17</amountOfSecuritiesAcquired>
        <paymentDate>06/02/2020</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>09/02/2020</acquiredDate>
        <natureOfAcquisitionTransaction>Dividend Reinvestment</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>47</amountOfSecuritiesAcquired>
        <paymentDate>09/02/2020</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>12/02/2020</acquiredDate>
        <natureOfAcquisitionTransaction>Dividend Reinvestment</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>50</amountOfSecuritiesAcquired>
        <paymentDate>12/02/2020</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>02/25/2021</acquiredDate>
        <natureOfAcquisitionTransaction>Dividend Reinvestment</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>41</amountOfSecuritiesAcquired>
        <paymentDate>02/25/2021</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>05/27/2021</acquiredDate>
        <natureOfAcquisitionTransaction>Dividend Reinvestment</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>38</amountOfSecuritiesAcquired>
        <paymentDate>05/27/2021</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>08/30/2021</acquiredDate>
        <natureOfAcquisitionTransaction>Dividend Reinvestment</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>37</amountOfSecuritiesAcquired>
        <paymentDate>08/30/2021</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>11/29/2021</acquiredDate>
        <natureOfAcquisitionTransaction>Dividend Reinvestment</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>38</amountOfSecuritiesAcquired>
        <paymentDate>11/29/2021</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>02/25/2022</acquiredDate>
        <natureOfAcquisitionTransaction>Dividend Reinvestment</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>35</amountOfSecuritiesAcquired>
        <paymentDate>02/25/2022</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>05/27/2022</acquiredDate>
        <natureOfAcquisitionTransaction>Dividend Reinvestment</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>3</amountOfSecuritiesAcquired>
        <paymentDate>05/27/2022</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>08/30/2022</acquiredDate>
        <natureOfAcquisitionTransaction>Dividend Reinvestment</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>3</amountOfSecuritiesAcquired>
        <paymentDate>08/30/2022</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>11/29/2022</acquiredDate>
        <natureOfAcquisitionTransaction>Dividend Reinvestment</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>3</amountOfSecuritiesAcquired>
        <paymentDate>11/29/2022</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>02/27/2023</acquiredDate>
        <natureOfAcquisitionTransaction>Dividend Reinvestment</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>3</amountOfSecuritiesAcquired>
        <paymentDate>02/27/2023</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>03/01/2023</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>2545</amountOfSecuritiesAcquired>
        <paymentDate>03/01/2023</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>05/30/2023</acquiredDate>
        <natureOfAcquisitionTransaction>Dividend Reinvestment</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>30</amountOfSecuritiesAcquired>
        <paymentDate>05/30/2023</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>08/30/2023</acquiredDate>
        <natureOfAcquisitionTransaction>Dividend Reinvestment</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>31</amountOfSecuritiesAcquired>
        <paymentDate>08/30/2023</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>11/29/2023</acquiredDate>
        <natureOfAcquisitionTransaction>Dividend Reinvestment</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>32</amountOfSecuritiesAcquired>
        <paymentDate>11/29/2023</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>02/28/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Dividend Reinvestment</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>33</amountOfSecuritiesAcquired>
        <paymentDate>02/28/2024</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>03/01/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>6565</amountOfSecuritiesAcquired>
        <paymentDate>03/01/2024</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>05/31/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Dividend Reinvestment</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>102</amountOfSecuritiesAcquired>
        <paymentDate>05/31/2024</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>08/30/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Dividend Reinvestment</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>94</amountOfSecuritiesAcquired>
        <paymentDate>08/30/2024</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>11/29/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Dividend Reinvestment</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>97</amountOfSecuritiesAcquired>
        <paymentDate>11/29/2024</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>03/01/2025</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>2156</amountOfSecuritiesAcquired>
        <paymentDate>03/01/2025</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>05/22/2025</noticeDate>
        <signature>/s/ Margaret Campbell, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Jason J. Lisowski</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 13881}]
text: 144
  0001732499
  XXXXXXXX
  LIVE
  0001031296
  FIRSTENERGY CORP
  333-21011
  341 WHITE POND DRIVE
  AKRON
  OH
  44320
  330-761-7837
  Lisowski Jason
  Officer
  Common
  Fidelity Brokerage Services LLC
  900 Salem Street
  Smithfield
  RI
  02917
  12000
  503652.23
  577156244
  05/22/2025
  NYSE
  Common
  06/02/2020
  Dividend Reinvestment
  Issuer
  N
  17
  06/02/2020
  Cash
  Common
  09/02/2020
  Dividend Reinvestment
  Issuer
  N
  47
  09/02/2020
  Cash
  Common
  12/02/2020
  Dividend Reinvestment
  Issuer
  N
  50
  12/02/2020
  Cash
  Common
  02/25/2021
  Dividend Reinvestment
  Issuer
  N
  41
  02/25/2021
  Cash
  Common
  05/27/2021
  Dividend Reinvestment
  Issuer
  N
  38
  05/27/2021
  Cash
  Common
  08/30/2021
  Dividend Reinvestment
  Issuer
  N
  37
  08/30/2021
  Cash
  Common
  11/29/2021
  Dividend Reinvestment
  Issuer
  N
  38
  11/29/2021
  Cash
  Common
  02/25/2022
  Dividend Reinvestment
  Issuer
  N
  35
  02/25/2022
  Cash
  Common
  05/27/2022
  Dividend Reinvestment
  Issuer
  N
  3
  05/27/2022
  Cash
  Common
  08/30/2022
  Dividend Reinvestment
  Issuer
  N
  3
  08/30/2022
  Cash
  Common
  11/29/2022
  Dividend Reinvestment
  Issuer
  N
  3
  11/29/2022
  Cash
  Common
  02/27/2023
  Dividend Reinvestment
  Issuer
  N
  3
  02/27/2023
  Cash
  Common
  03/01/2023
  Restricted Stock Vesting
  Issuer
  N
  2545
  03/01/2023
  Compensation
  Common
  05/30/2023
  Dividend Reinvestment
  Issuer
  N
  30
  05/30/2023
  Cash
  Common
  08/30/2023
  Dividend Reinvestment
  Issuer
  N
  31
  08/30/2023
  Cash
  Common
  11/29/2023
  Dividend Reinvestment
  Issuer
  N
  32
  11/29/2023
  Cash
  Common
  02/28/2024
  Dividend Reinvestment
  Issuer
  N
  33
  02/28/2024
  Cash
  Common
  03/01/2024
  Restricted Stock Vesting
  Issuer
  N
  6565
  03/01/2024
  Compensation
  Common
  05/31/2024
  Dividend Reinvestment
  Issuer
  N
  102
  05/31/2024
  Cash
  Common
  08/30/2024
  Dividend Reinvestment
  Issuer
  N
  94
  08/30/2024
  Cash
  Common
  11/29/2024
  Dividend Reinvestment
  Issuer
  N
  97
  11/29/2024
  Cash
  Common
  03/01/2025
  Restricted Stock Vesting
  Issuer
  N
  2156
  03/01/2025
  Compensation
  Y
  05/22/2025
  /s/ Margaret Campbell, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Jason J. Lisowski