<SEC-DOCUMENT>0000092122-18-000016-index.html : 20180221
<SEC-HEADER>0000092122-18-000016.hdr.sgml : 20180221
<ACCEPTANCE-DATETIME>20180221165339
ACCESSION NUMBER:		0000092122-18-000016
CONFORMED SUBMISSION TYPE:	S-3ASR
PUBLIC DOCUMENT COUNT:		12
FILED AS OF DATE:		20180221
DATE AS OF CHANGE:		20180221
EFFECTIVENESS DATE:		20180221

FILER:

	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

	FILING VALUES:
		FORM TYPE:		S-3ASR
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-223128
		FILM NUMBER:		18629148

	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>S-3ASR
<SEQUENCE>1
<FILENAME>sos-3shelf2018.htm
<DESCRIPTION>S-3ASR
<TEXT>
Document 1 - file: sos-3shelf2018.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>ex5-1sosx32018.htm
<DESCRIPTION>EXHIBIT 5.1
<TEXT>
Document 2 - file: ex5-1sosx32018.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-12.1
<SEQUENCE>3
<FILENAME>ex12-1soco12312017.htm
<DESCRIPTION>EXHIBIT 12.1
<TEXT>
Document 3 - file: ex12-1soco12312017.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>4
<FILENAME>ex23-1sosx32018.htm
<DESCRIPTION>EXHIBIT 23.1
<TEXT>
Document 4 - file: ex23-1sosx32018.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24.1
<SEQUENCE>5
<FILENAME>ex24-1sosx32018.htm
<DESCRIPTION>EXHIBIT 24.1
<TEXT>
Document 5 - file: ex24-1sosx32018.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-25.1
<SEQUENCE>6
<FILENAME>ex25-1sosx32018.htm
<DESCRIPTION>EXHIBIT 25.1
<TEXT>
Document 6 - file: ex25-1sosx32018.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-25.2
<SEQUENCE>7
<FILENAME>ex25-2sosx32018.htm
<DESCRIPTION>EXHIBIT 25.2
<TEXT>
Document 7 - file: ex25-2sosx32018.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>directorbracketfors3sa09.jpg
<TEXT>
Document 8 - file: directorbracketfors3sa09.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>image0a11.jpg
<TEXT>
Document 9 - file: image0a11.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>image3a04.jpg
<TEXT>
Document 10 - file: image3a04.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>troutmangreenbara01.jpg
<TEXT>
Document 11 - file: troutmangreenbara01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>tslogoa03.jpg
<TEXT>
Document 12 - file: tslogoa03.jpg

</DOCUMENT>
</SEC-DOCUMENT>