    <SEC-DOCUMENT>0001021635-21-000092-index.html : 20210405
    <SEC-HEADER>0001021635-21-000092.hdr.sgml : 20210405
    <ACCEPTANCE-DATETIME>20210405162203
    ACCESSION NUMBER:		0001021635-21-000092
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		3
    FILED AS OF DATE:		20210405
    DATE AS OF CHANGE:		20210405

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			OGE ENERGY CORP.
    		CENTRAL INDEX KEY:			0001021635
    		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC SERVICES [4911]
    		IRS NUMBER:				731481638
    		STATE OF INCORPORATION:			OK
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-12579
    		FILM NUMBER:		21805644

    	BUSINESS ADDRESS:
    		STREET 1:		321 N HARVEY
    		STREET 2:		P.O. BOX 321
    		CITY:			OKLAHOMA CITY
    		STATE:			OK
    		ZIP:			73101-0321
    		BUSINESS PHONE:		4055533000

    	MAIL ADDRESS:
    		STREET 1:		321 N HARVEY
    		STREET 2:		P.O. BOX 321
    		CITY:			OKLAHOMA CITY
    		STATE:			OK
    		ZIP:			73101-0321

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	OGE ENERGY CORP
    		DATE OF NAME CHANGE:	19960827
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>a2021additionalproxymateri.htm
    <DESCRIPTION>2021 ADDITIONAL PROXY MATERIALS
    <TEXT>
    Document 1 - file: a2021additionalproxymateri.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>ogenoticeandaccess_pagex11.jpg
    <TEXT>
    Document 2 - file: ogenoticeandaccess_pagex11.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>ogenoticeandaccess_pagex21.jpg
    <TEXT>
    Document 3 - file: ogenoticeandaccess_pagex21.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>