<SEC-DOCUMENT>0000352541-21-000023-index.html : 20210222
<SEC-HEADER>0000352541-21-000023.hdr.sgml : 20210222
<ACCEPTANCE-DATETIME>20210222141340
ACCESSION NUMBER:		0000352541-21-000023
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20210218
FILED AS OF DATE:		20210222
DATE AS OF CHANGE:		20210222

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Bilitz Benjamin M
		CENTRAL INDEX KEY:			0001690654

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09894
		FILM NUMBER:		21659506

	MAIL ADDRESS:	
		STREET 1:		PO BOX 14720
		CITY:			MADISON
		STATE:			WI
		ZIP:			53708-0720

ISSUER:		

	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

	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>4
<SEQUENCE>1
<FILENAME>wf-form4_161402120455759.xml
<DESCRIPTION>FORM 4
<TEXT>
Document 1 - file: wf-form4_161402120455759.html

Document 1 - RAW XML: wf-form4_161402120455759.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>poa_bilitzx022021.htm
<DESCRIPTION>POWER OF ATTORNEY BILITZ 2021
<TEXT>
Document 2 - file: poa_bilitzx022021.htm

</DOCUMENT>
</SEC-DOCUMENT>