<SEC-DOCUMENT>0001193125-21-355530-index.html : 20211213
<SEC-HEADER>0001193125-21-355530.hdr.sgml : 20211213
<ACCEPTANCE-DATETIME>20211213170225
ACCESSION NUMBER:		0001193125-21-355530
CONFORMED SUBMISSION TYPE:	S-3ASR
PUBLIC DOCUMENT COUNT:		7
FILED AS OF DATE:		20211213
DATE AS OF CHANGE:		20211213
EFFECTIVENESS DATE:		20211213

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:		S-3ASR
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-261625
		FILM NUMBER:		211488731

	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>S-3ASR
<SEQUENCE>1
<FILENAME>d233152ds3asr.htm
<DESCRIPTION>S-3ASR
<TEXT>
Document 1 - file: d233152ds3asr.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.D
<SEQUENCE>2
<FILENAME>d233152dex4d.htm
<DESCRIPTION>EX-4.D
<TEXT>
Document 2 - file: d233152dex4d.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.A
<SEQUENCE>3
<FILENAME>d233152dex5a.htm
<DESCRIPTION>EX-5.A
<TEXT>
Document 3 - file: d233152dex5a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.A
<SEQUENCE>4
<FILENAME>d233152dex23a.htm
<DESCRIPTION>EX-23.A
<TEXT>
Document 4 - file: d233152dex23a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24.A
<SEQUENCE>5
<FILENAME>d233152dex24a.htm
<DESCRIPTION>EX-24.A
<TEXT>
Document 5 - file: d233152dex24a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g233152g1208131221265.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g233152g1208131221265.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g233152g39c73.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g233152g39c73.jpg

</DOCUMENT>
</SEC-DOCUMENT>