    <SEC-DOCUMENT>0001193125-21-155028-index.html : 20210507
    <SEC-HEADER>0001193125-21-155028.hdr.sgml : 20210507
    <ACCEPTANCE-DATETIME>20210507164152
    ACCESSION NUMBER:		0001193125-21-155028
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		31
    FILED AS OF DATE:		20210507
    DATE AS OF CHANGE:		20210507

    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:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	333-21011
    		FILM NUMBER:		21903500

    	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>DEFA14A
    <SEQUENCE>1
    <FILENAME>d442629ddefa14a.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: d442629ddefa14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>g442629defas10g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: g442629defas10g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>g442629defas11g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g442629defas11g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>g442629defas12g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: g442629defas12g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>g442629defas13g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: g442629defas13g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>g442629defas14g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: g442629defas14g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>g442629defas15g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: g442629defas15g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>g442629defas16g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: g442629defas16g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>g442629defas17g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: g442629defas17g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>g442629defas18g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: g442629defas18g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>g442629defas19g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: g442629defas19g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>g442629defas20g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: g442629defas20g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>g442629defas21g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: g442629defas21g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>g442629defas22g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: g442629defas22g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>g442629defas23g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: g442629defas23g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>g442629defas24g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: g442629defas24g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>g442629defas25g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 17 - file: g442629defas25g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>g442629defas26g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 18 - file: g442629defas26g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>g442629defas27g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 19 - file: g442629defas27g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>g442629defas28g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 20 - file: g442629defas28g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>g442629defas29g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 21 - file: g442629defas29g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>g442629defas2g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 22 - file: g442629defas2g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>g442629defas30g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 23 - file: g442629defas30g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>g442629defas31g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 24 - file: g442629defas31g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>25
    <FILENAME>g442629defas3g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 25 - file: g442629defas3g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>26
    <FILENAME>g442629defas4g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 26 - file: g442629defas4g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>27
    <FILENAME>g442629defas5g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 27 - file: g442629defas5g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>28
    <FILENAME>g442629defas6g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 28 - file: g442629defas6g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>29
    <FILENAME>g442629defas7g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 29 - file: g442629defas7g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>30
    <FILENAME>g442629defas8g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 30 - file: g442629defas8g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>31
    <FILENAME>g442629defas9g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 31 - file: g442629defas9g1.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>