<SEC-DOCUMENT>0001209191-21-061257.txt : 20211021
<SEC-HEADER>0001209191-21-061257.hdr.sgml : 20211021
<ACCEPTANCE-DATETIME>20211021164130
ACCESSION NUMBER:		0001209191-21-061257
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20211017
FILED AS OF DATE:		20211021
DATE AS OF CHANGE:		20211021

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Svinicki Kristine L
		CENTRAL INDEX KEY:			0001889194

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-03526
		FILM NUMBER:		211337468

	MAIL ADDRESS:	
		STREET 1:		30 IVAN ALLEN JR BLVD NW
		CITY:			ATLANTA
		STATE:			GA
		ZIP:			30308

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SOUTHERN CO
		CENTRAL INDEX KEY:			0000092122
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC SERVICES [4911]
		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>3
<SEQUENCE>1
<FILENAME>doc3.xml
<DESCRIPTION>FORM 3 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2021-10-17</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000092122</issuerCik>
        <issuerName>SOUTHERN CO</issuerName>
        <issuerTradingSymbol>SO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001889194</rptOwnerCik>
            <rptOwnerName>Svinicki Kristine L</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>30 IVAN ALLEN JR BLVD NW</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ATLANTA</rptOwnerCity>
            <rptOwnerState>GA</rptOwnerState>
            <rptOwnerZipCode>30308</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Southern Company Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Marcia R. DeMar, Attorney-in-Fact for Kristine L. Svinicki</signatureName>
        <signatureDate>2021-10-21</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>poa.txt
<DESCRIPTION>POA DOCUMENT
<TEXT>
POWER OF ATTORNEY

     The undersigned, a director of The Southern Company, hereby makes,
constitutes, and appoints Myra C. Bierria, Lindsay T. McClelland, Marcia R.
DeMar and Laura O. Hewett, my agents and attorneys-in-fact, for the limited
purpose of signing on my behalf, and causing to be filed with the Securities and
Exchange Commission Form ID and Initial Statement of Beneficial Ownership of
Securities, Statement of Changes in Beneficial Ownership, and Annual Statement
of Changes in Beneficial Ownership, on Forms 3, 4, and 5, respectively, and any
appropriate amendment or amendments thereto.

     This power of attorney shall remain in effect until my obligation to file
the aforementioned reports as a director of The Southern Company ceases, unless
earlier revoked by me by written document delivered to the Corporate Secretary
of The Southern Company.


     Effective the 24th day of August, 2021.

                       /s/ Kristine L. Svinicki

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