<SEC-DOCUMENT>0001127602-19-010079.txt : 20190305
<SEC-HEADER>0001127602-19-010079.hdr.sgml : 20190305
<ACCEPTANCE-DATETIME>20190305191653
ACCESSION NUMBER:		0001127602-19-010079
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190301
FILED AS OF DATE:		20190305
DATE AS OF CHANGE:		20190305

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Lisowski Jason
		CENTRAL INDEX KEY:			0001732499

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	333-21011
		FILM NUMBER:		19660637

	MAIL ADDRESS:	
		STREET 1:		76 SOUTH MAIN STREET
		CITY:			AKRON
		STATE:			OH
		ZIP:			44333

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>4
<SEQUENCE>1
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<DESCRIPTION>PRIMARY DOCUMENT
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    <periodOfReport>2019-03-01</periodOfReport>

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        <issuerName>FIRSTENERGY CORP</issuerName>
        <issuerTradingSymbol>FE</issuerTradingSymbol>
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            <rptOwnerName>Lisowski Jason</rptOwnerName>
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            <rptOwnerStreet1>76 S. MAIN ST.</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>AKRON</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>44308</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>VP, Controller &amp; CAO</officerTitle>
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                <natureOfOwnership>
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        </nonDerivativeHolding>
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                <footnoteId id="F1"/>
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                <underlyingSecurityTitle>
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                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Phantom 3/19D</value>
            </securityTitle>
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                <footnoteId id="F7"/>
            </conversionOrExercisePrice>
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                <value>2019-03-01</value>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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                <transactionShares>
                    <value>194.582</value>
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                    <value>A</value>
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                <footnoteId id="F8"/>
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                <underlyingSecurityTitle>
                    <value>Common Stock</value>
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                <underlyingSecurityShares>
                    <value>194.582</value>
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                <sharesOwnedFollowingTransaction>
                    <value>4132.177</value>
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                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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    </derivativeTable>

    <footnotes>
        <footnote id="F1">Represents the vesting of the RSUC16FES award. The award vested on March 1, 2019. Amounts also include dividend reinvestment.</footnote>
        <footnote id="F2">1 for 1. The RSUS16FES and RSUC16FES awards were previously granted for $0.00 under the FirstEnergy Corp. 2015 Incentive Compensation Plan.</footnote>
        <footnote id="F3">Balance includes shares acquired through dividend reinvestment.</footnote>
        <footnote id="F4">This transaction reflects the deferral of the RSUS16FES and RSUC16FES awards. As a result, the reporting person is reporting the disposition of shares of common stock in exchange for an equal number of shares of phantom stock described below.</footnote>
        <footnote id="F5">Represents the vesting of the RSUS16FES award. The award vested on March 1, 2019. Amounts also include dividend reinvestment.</footnote>
        <footnote id="F6">FE's 401(k) Savings Plan includes a unitized fund invested in FE stock, in which the reporting person may invest, and includes dividend reinvestment and company match features. The number of shares reported as indirectly held in the 401(k) Plan in this row is an estimate of the number of shares of FE's common stock held in the unitized stock fund and allocated to the reporting person's account as of January 31, 2019.</footnote>
        <footnote id="F7">1 for 1</footnote>
        <footnote id="F8">This holding reflects phantom stock payable in cash upon retirement or other termination of employment under the FirstEnergy Corp. Amended and Restated Executive Deferred Compensation Plan. Each share of phantom stock is the economic equivalent of one share of common stock.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Daniel M. Dunlap, attorney-in-fact</signatureName>
        <signatureDate>2019-03-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
