<SEC-DOCUMENT>0001209191-24-003042.txt : 20240209
<SEC-HEADER>0001209191-24-003042.hdr.sgml : 20240209
<ACCEPTANCE-DATETIME>20240209172316
ACCESSION NUMBER:		0001209191-24-003042
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20240207
FILED AS OF DATE:		20240209
DATE AS OF CHANGE:		20240209

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DAVIS MARTIN BERNARD
		CENTRAL INDEX KEY:			0001674959
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-03526
		FILM NUMBER:		24616250

	MAIL ADDRESS:	
		STREET 1:		520 GERVAIS STREET
		STREET 2:		C/O SOUTH STATE CORP
		CITY:			COLUMBIA
		STATE:			SC
		ZIP:			29201

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SOUTHERN CO
		CENTRAL INDEX KEY:			0000092122
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC SERVICES [4911]
		ORGANIZATION NAME:           	01 Energy & Transportation
		IRS NUMBER:				580690070
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		30 IVAN ALLEN JR. BLVD., N.W.
		CITY:			ATLANTA
		STATE:			GA
		ZIP:			30308
		BUSINESS PHONE:		4045065000

	MAIL ADDRESS:	
		STREET 1:		30 IVAN ALLEN JR. BLVD., N.W.
		CITY:			ATLANTA
		STATE:			GA
		ZIP:			30308
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
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    <periodOfReport>2024-02-07</periodOfReport>

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        <issuerCik>0000092122</issuerCik>
        <issuerName>SOUTHERN CO</issuerName>
        <issuerTradingSymbol>SO</issuerTradingSymbol>
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    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001674959</rptOwnerCik>
            <rptOwnerName>DAVIS MARTIN BERNARD</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>30 IVAN ALLEN JR BLVD NW</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ATLANTA</rptOwnerCity>
            <rptOwnerState>GA</rptOwnerState>
            <rptOwnerZipCode>30308</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>EVP and CIO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

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    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Performance Restricted Stock Units</value>
            </securityTitle>
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                <value>0.00</value>
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                <value>2024-02-07</value>
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                <value></value>
            </transactionTimeliness>
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                <transactionShares>
                    <value>1607</value>
                    <footnoteId id="F4"/>
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                    <value>0.00</value>
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            <expirationDate>
                <footnoteId id="F4"/>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Southern Company Common Stock</value>
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    <footnotes>
        <footnote id="F1">Shares acquired upon vesting of performance share units under Company's Performance Share Program for the 2021-2023 award. The Compensation and Talent Development Committee certified performance on February 7, 2024. Includes accrued dividend equivalent units.</footnote>
        <footnote id="F2">Shares withheld to satisfy required state and federal tax withholding requirements.</footnote>
        <footnote id="F3">Shares acquired upon vesting of first 1/3 of performance restricted stock units granted on February 1, 2023.  The Compensation and Talent Development Committee certified performance on February 7, 2024.  Includes 67 accrued dividend equivalent units.</footnote>
        <footnote id="F4">Represents first 1/3 of performance restricted stock units granted on February 1, 2023. The remaining award will vest 1/3 in 2025 and 1/3 in 2026. Each restricted stock unit represents the right to receive, at settlement, one share of common stock. Additional units will be acquired with deemed dividends. Shares will be withheld upon vesting to satisfy tax requirements.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Myra C. Bierria, Attorney-in-Fact for Martin B. Davis</signatureName>
        <signatureDate>2024-02-09</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</DOCUMENT>
</SEC-DOCUMENT>
