<SEC-DOCUMENT>0000352541-17-000066-index.html : 20170615
<SEC-HEADER>0000352541-17-000066.hdr.sgml : 20170615
<ACCEPTANCE-DATETIME>20170615172040
ACCESSION NUMBER:		0000352541-17-000066
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20170614
FILED AS OF DATE:		20170615
DATE AS OF CHANGE:		20170615

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

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			OTOOLE THOMAS F
		CENTRAL INDEX KEY:			0001061884

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09894
		FILM NUMBER:		17914254

	MAIL ADDRESS:	
		STREET 1:		4902 NORTH BILTMORE LANE
		STREET 2:		PO BOX 14720
		CITY:			MADISON
		STATE:			WI
		ZIP:			53708-0720
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_149756162555683.xml
<DESCRIPTION>FORM 4
<TEXT>
Document 1 - file: wf-form4_149756162555683.html

Document 1 - RAW XML: wf-form4_149756162555683.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>poa_otoolethomas.htm
<DESCRIPTION>THOMAS F. O'TOOLE POA
<TEXT>
Document 2 - file: poa_otoolethomas.htm

</DOCUMENT>
</SEC-DOCUMENT>