<SEC-DOCUMENT>0001562180-24-007698.txt : 20241114
<SEC-HEADER>0001562180-24-007698.hdr.sgml : 20241114
<ACCEPTANCE-DATETIME>20241114170358
ACCESSION NUMBER:		0001562180-24-007698
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20241113
FILED AS OF DATE:		20241114
DATE AS OF CHANGE:		20241114

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			McQuistion Cristina F
		CENTRAL INDEX KEY:			0001444969
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12579
		FILM NUMBER:		241464061

	MAIL ADDRESS:	
		STREET 1:		P.O. BOX 321
		CITY:			OKLAHOMA CITY
		STATE:			OK
		ZIP:			73101

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			OGE ENERGY CORP.
		CENTRAL INDEX KEY:			0001021635
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC SERVICES [4911]
		ORGANIZATION NAME:           	01 Energy & Transportation
		IRS NUMBER:				731481638
		STATE OF INCORPORATION:			OK
		FISCAL YEAR END:			1231

	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>4
<SEQUENCE>1
<FILENAME>primarydocument.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2024-11-13</periodOfReport>

    <notSubjectToSection16>false</notSubjectToSection16>

    <issuer>
        <issuerCik>0001021635</issuerCik>
        <issuerName>OGE ENERGY CORP.</issuerName>
        <issuerTradingSymbol>OGE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001444969</rptOwnerCik>
            <rptOwnerName>McQuistion Cristina F</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>P.O. BOX 321</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>OKLAHOMA CITY</rptOwnerCity>
            <rptOwnerState>OK</rptOwnerState>
            <rptOwnerZipCode>73101</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>true</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle>VP- Corp. Resp.&amp; Stewardship</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>false</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock-$.01 par value per share</value>
            </securityTitle>
            <transactionDate>
                <value>2024-11-13</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>5008.00</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>42.8358</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>20918.00</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock-$.01 par value per share</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>639.478</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Retirement Savings</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">$42.8358. The price reported is a weighted average price. The shares were sold in multiple transactions with prices ranging from $42.8301 to $42.86. The reporting person undertakes to provide to OGE Energy, any security holder of OGE Energy, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range noted herein.</footnote>
        <footnote id="F2">The information herein is based on a Retirement Savings Plan Statement dated November 11, 2024. The Retirement Savings Plan Statement indicated the number of shares in the Common Stock Fund of the
Retirement Savings Plan credited to the participant's account at November 11, 2024 and includes shares credited since reporting person's last table 1 filing that was exempt from reporting pursuant to Rule 16A-3(f)(1)(i)(B).</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ William Sultemeier, By Power of Attorney</signatureName>
        <signatureDate>2024-11-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99
<SEQUENCE>2
<FILENAME>mcquistion.txt
<DESCRIPTION>POA
<TEXT>
POWER OF ATTORNEY


The undersigned hereby constitutes and appoints each of
Patricia D. Horn and William H. Sultemeier, signing singly, the
undersigned's true and lawful attorney-in-fact to:

(1) execute for and on behalf of the undersigned, in the
undersigned's capacity as a director and/or officer of OGE
Energy Corp. (the 'Company'), Forms 3, 4 and 5 in
accordance with Section 16(a) of the Securities Exchange
Act of 1934, as amended, and the rules and regulations
thereunder:

(2) do and perform any and all acts for and on behalf of
the undersigned which may be necessary or desirable to
complete and execute any such Form 3, 4 or 5 and timely
file such form with the United States Securities and
Exchange Commission and any stock exchange or similar
authority; and

(3) take any other action of any type whatsoever in
connection with the foregoing which, in the opinion of
such attorney-in-fact, may be of benefit to, in the best
interest of, or legally required by, the undersigned, it
being understood that the documents executed by such
attorney-in-fact on behalf of the undersigned pursuant to
this Power of Attorney shall be in such form and shall
contain such terms and conditions as such attorney-in-fact
may approve in his or her discretion.

The undersigned hereby grants to each attorney-in-fact
named above full power and authority to do and perform any and
every act requisite, necessary or proper to be done in the
exercise of any of the rights and powers herein granted, as
fully as the undersigned could do it personally present, with
full power of substitution or revocation, hereby ratifying and
confirming all that such attorney-in-fact, or such attorney-in-
fact's substitute or substitutes, shall lawfully do or cause to
be done by virtue of this Power of Attorney and the rights and
powers herein granted.  The undersigned acknowledges that the
foregoing attorney-in-fact, in serving in such capacity at the
request of the undersigned, are not assuming, nor is the company
assuming, any of the undersigned's responsibilities to comply
with Section 16 of the Securities Exchange Act of 1934, as
amended.

This Power of Attorney shall remain in full force and
effect until the undersigned is no longer required to file Forms
3, 4 and 5 with respect to the undersigned's holdings of, and
transactions in, securities issued by the Company, unless
earlier revoked by the undersigned in a signed writing delivered
to the foregoing attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power
of Attorney to be executed as of this 14th day of November 2022.


/s/ Cristina F. McQuistion, Pursuant to Power of Attorney being
filed herewith

</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
