    <SEC-DOCUMENT>0001031296-18-000028-index.html : 20180423
    <SEC-HEADER>0001031296-18-000028.hdr.sgml : 20180423
    <ACCEPTANCE-DATETIME>20180423071801
    ACCESSION NUMBER:		0001031296-18-000028
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		39
    CONFORMED PERIOD OF REPORT:	20180423
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20180423
    DATE AS OF CHANGE:		20180423

    FILER:

    	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

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	333-21011
    		FILM NUMBER:		18767931

    	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>
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    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>a8-kq12018earningsrelease.htm
    <DESCRIPTION>8-K
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    <DOCUMENT>
    <TYPE>EX-99.1
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    <DESCRIPTION>EXHIBIT 99.1
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    Document 2 - file: ex991fe-03312018.htm

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    <TYPE>EX-99.2
    <SEQUENCE>3
    <FILENAME>ex992fe-03312018.htm
    <DESCRIPTION>EXHIBIT 99.2
    <TEXT>
    Document 3 - file: ex992fe-03312018.htm

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    <TYPE>EX-99.3
    <SEQUENCE>4
    <FILENAME>ex993fe1q18quarterlyhigh.htm
    <DESCRIPTION>EXHIBIT 99.3
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    Document 4 - file: ex993fe1q18quarterlyhigh.htm

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    Document 27 - file: ex993fe1q18quarterlyhigh023.jpg

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    Document 29 - file: ex993fe1q18quarterlyhigh025.jpg

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    Document 30 - file: ex993fe1q18quarterlyhigh026.jpg

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    Document 31 - file: ex993fe1q18quarterlyhigh027.jpg

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    <SEQUENCE>32
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    Document 32 - file: ex993fe1q18quarterlyhigh028.jpg

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    <SEQUENCE>33
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    Document 33 - file: ex993fe1q18quarterlyhigh029.jpg

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    Document 34 - file: ex993fe1q18quarterlyhigh030.jpg

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    <SEQUENCE>35
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    Document 35 - file: ex993fe1q18quarterlyhigh031.jpg

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    <SEQUENCE>36
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    Document 36 - file: ex993fe1q18quarterlyhigh032.jpg

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    Document 37 - file: ex993fe1q18quarterlyhigh033.jpg

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    Document 38 - file: ex993fe1q18quarterlyhigh034.jpg

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    Document 39 - file: felogo06302014a01a05.jpg

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