<SEC-DOCUMENT>0001127602-22-015734.txt : 20220526
<SEC-HEADER>0001127602-22-015734.hdr.sgml : 20220526
<ACCEPTANCE-DATETIME>20220526132448
ACCESSION NUMBER:		0001127602-22-015734
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20220517
FILED AS OF DATE:		20220526
DATE AS OF CHANGE:		20220526

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Klimczak Sean
		CENTRAL INDEX KEY:			0001555335

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	333-21011
		FILM NUMBER:		22967808

	MAIL ADDRESS:	
		STREET 1:		C/O THE BLACKSTONE GROUP
		STREET 2:		345 PARK AVE.
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10154

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FIRSTENERGY CORP
		CENTRAL INDEX KEY:			0001031296
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC SERVICES [4911]
		IRS NUMBER:				341843785
		STATE OF INCORPORATION:			OH
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		76 SOUTH MAIN ST
		CITY:			AKRON
		STATE:			OH
		ZIP:			44308-1890
		BUSINESS PHONE:		330-761-7837

	MAIL ADDRESS:	
		STREET 1:		76 SOUTH MAIN ST
		CITY:			AKRON
		STATE:			OH
		ZIP:			44308-1890
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>form3.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2022-05-17</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001031296</issuerCik>
        <issuerName>FIRSTENERGY CORP</issuerName>
        <issuerTradingSymbol>FE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001555335</rptOwnerCik>
            <rptOwnerName>Klimczak Sean</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>76 S MAIN STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>AKRON</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>44308</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <footnotes></footnotes>

    <remarks>The Reporting Person, an employee of Blackstone Inc. (&quot;Blackstone&quot;) or one of its affiliates, is a member of the board of directors of the issuer. The Reporting Person disclaims beneficial ownership of any securities of the issuer that may be deemed to be beneficially owned by affiliates of Blackstone.

Exhibit 24: Power of Attorney (attached)</remarks>

    <ownerSignature>
        <signatureName>/s/ Daniel M. Dunlap, attorney-in-fact</signatureName>
        <signatureDate>2022-05-26</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>doc1.txt
<DESCRIPTION>POWER OF ATTORNEY (PUBLIC):
<TEXT>

POWER OF ATTORNEY

Know all persons by these present that the undersigned hereby constitutes
and appoints each of Mary M. Swann and
Daniel M. Dunlap the undersigned's true and lawful attorney in fact to:

(1)  execute for and on behalf of the undersigned, in the undersigned's
capacity as an officer, employee and/or director of FirstEnergy Corp.
and/or any of its subsidiaries and affiliates (referred to as the ?Company?),
as applicable, Forms 3, 4 and 5 in accordance with Section 16(a) of the
Securities Exchange Act of 1934, as amended (?Section 16?) and Form 144
(?Form 144?) pursuant to Rule 144 under the Securities Act of 1933
(?Rule 144?) and the rules thereunder;

(2)  do and perform any and all acts for and on behalf of the undersigned
that may be necessary or desirable to complete and execute any such
Forms 3, 4, 5 or 144 and file such form with the United States Securities
and Exchange Commission and any stock exchange or similar authority; and

(3)  take any other action of any type whatsoever in connection with the
foregoing which, in the opinion of such attorney in fact, may be of
benefit to, in the best interest of, or legally required by the undersigned;
it being understood that the documents executed by such attorney in fact on
behalf of the undersigned pursuant to this Power of Attorney shall be in
such form and shall contain such terms and conditions as such attorney
in fact may approve in such attorney in fact's reasonable discretion.

The undersigned hereby grants to each such attorney in fact full power
and authority to do and perform any and every act and thing whatsoever
requisite, necessary, or proper to be done in the exercise of any
of the rights and powers herein granted, as fully to all intents and
purposes as the undersigned might or could do if personally present,
with full power of substitution or revocation, hereby ratifying and
confirming all that such attorney in fact shall lawfully do or
cause to be done by virtue of this power of attorney and the
rights and powers herein granted.

The undersigned acknowledges that the foregoing attorneys in fact,
in serving in such capacity at the request of the undersigned,
are not assuming, nor is the Company assuming, any of the
undersigned's responsibilities to comply with Section 16 or Rule 144.

This Power of Attorney shall remain in full force and effect until
the undersigned is no longer required to file Forms 3, 4, 5 and 144
with respect to the undersigned's holdings of and transactions in s
ecurities issued by the Company, unless earlier revoked by the
undersigned in a signed writing delivered to the
foregoing attorneys in fact.  Additionally, this Power of Attorney
revokes any and all previous Power of Attorney forms for this same
purpose which was entered into by the undersigned.

This Power of Attorney shall be governed by and construed in
accordance with the law of the State of Ohio, regardless of the law
that might be applied under principles of conflict of laws.

The undersigned has caused this Power of Attorney to be executed
as of this 25th day of May, 2022.

/s/Sean T. Klimczak


State of New York	)
		)  ss:
County of New York)


The foregoing Power of Attorney was acknowledged before me this
25th day of May, 2022,
by Sean T. Klimczak.



/s/Gina Santanastasio
        Gina Santanastasio, Notary Public
          State Wide Jurisdiction, New York
My Commission Expires October 15, 2024

</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
