<SEC-DOCUMENT>0001193125-20-287796-index.html : 20201106
<SEC-HEADER>0001193125-20-287796.hdr.sgml : 20201106
<ACCEPTANCE-DATETIME>20201106133921
ACCESSION NUMBER:		0001193125-20-287796
CONFORMED SUBMISSION TYPE:	S-3ASR
PUBLIC DOCUMENT COUNT:		7
FILED AS OF DATE:		20201106
DATE AS OF CHANGE:		20201106
EFFECTIVENESS DATE:		20201106

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ALLIANT ENERGY CORP
		CENTRAL INDEX KEY:			0000352541
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC & OTHER SERVICES COMBINED [4931]
		IRS NUMBER:				391380265
		STATE OF INCORPORATION:			WI
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-3ASR
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-249909
		FILM NUMBER:		201293638

	BUSINESS ADDRESS:	
		STREET 1:		4902 NORTH BILTMORE LANE
		STREET 2:		SUITE 1000
		CITY:			MADISON
		STATE:			WI
		ZIP:			53718-2148
		BUSINESS PHONE:		608-458-3311

	MAIL ADDRESS:	
		STREET 1:		4902 NORTH BILTMORE LANE
		STREET 2:		SUITE 1000
		CITY:			MADISON
		STATE:			WI
		ZIP:			53718-2148

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INTERSTATE ENERGY CORP
		DATE OF NAME CHANGE:	19980427

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	WPL HOLDINGS INC
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-3ASR
<SEQUENCE>1
<FILENAME>d92803ds3asr.htm
<DESCRIPTION>S-3ASR
<TEXT>
Document 1 - file: d92803ds3asr.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>d92803dex51.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 2 - file: d92803dex51.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.2
<SEQUENCE>3
<FILENAME>d92803dex232.htm
<DESCRIPTION>EX-23.2
<TEXT>
Document 3 - file: d92803dex232.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24.1
<SEQUENCE>4
<FILENAME>d92803dex241.htm
<DESCRIPTION>EX-24.1
<TEXT>
Document 4 - file: d92803dex241.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g92803g71e03.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g92803g71e03.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g92803g96l76.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g92803g96l76.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g92803gra001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g92803gra001.jpg

</DOCUMENT>
</SEC-DOCUMENT>