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ACCESSION NUMBER:		0000352541-23-000122
CONFORMED SUBMISSION TYPE:	S-3ASR
PUBLIC DOCUMENT COUNT:		21
FILED AS OF DATE:		20231215
DATE AS OF CHANGE:		20231215
EFFECTIVENESS DATE:		20231215

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:	333-276062
		FILM NUMBER:		231489612

	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

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			INTERSTATE POWER & LIGHT CO
		CENTRAL INDEX KEY:			0000052485
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC & OTHER SERVICES COMBINED [4931]
		IRS NUMBER:				420331370
		STATE OF INCORPORATION:			IA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-3ASR
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-276062-01
		FILM NUMBER:		231489613

	BUSINESS ADDRESS:	
		STREET 1:		200 FIRST ST SE
		STREET 2:		ALLIANT ENERGY TOWER
		CITY:			CEDAR RAPIDS
		STATE:			IA
		ZIP:			52401
		BUSINESS PHONE:		3193984411

	MAIL ADDRESS:	
		STREET 1:		200 FIRST ST SE
		STREET 2:		ALLIANT ENERGY TOWER
		CITY:			CEDAR RAPIDS
		STATE:			IA
		ZIP:			52401

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	IES UTILITIES INC
		DATE OF NAME CHANGE:	20020103

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	IES UTILITIES INC
		DATE OF NAME CHANGE:	19940107

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	IOWA ELECTRIC LIGHT & POWER CO
		DATE OF NAME CHANGE:	19920703

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WISCONSIN POWER & LIGHT CO
		CENTRAL INDEX KEY:			0000107832
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC & OTHER SERVICES COMBINED [4931]
		IRS NUMBER:				390714890
		STATE OF INCORPORATION:			WI
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-3ASR
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-276062-02
		FILM NUMBER:		231489614

	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 N BILTMORE LANE
		STREET 2:		SUITE 1000
		CITY:			MADISON
		STATE:			WI
		ZIP:			53718-2148
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<TYPE>S-3ASR
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<FILENAME>lnt2023s-3asrshelf.htm
<DESCRIPTION>S-3ASR
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Document 1 - file: lnt2023s-3asrshelf.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.8
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<FILENAME>lnt2023s-3asrshelfex48.htm
<DESCRIPTION>EX-4.8
<TEXT>
Document 2 - file: lnt2023s-3asrshelfex48.htm

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<TYPE>EX-5.1
<SEQUENCE>3
<FILENAME>lnt2023s-3asrshelfex51.htm
<DESCRIPTION>EX-5.1
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Document 3 - file: lnt2023s-3asrshelfex51.htm

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<TYPE>EX-5.2
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<FILENAME>lnt2023s-3asrshelfex52.htm
<DESCRIPTION>EX-5.2
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Document 4 - file: lnt2023s-3asrshelfex52.htm

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<FILENAME>lnt2023s-3asrshelfex53.htm
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Document 5 - file: lnt2023s-3asrshelfex53.htm

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<FILENAME>lnt2023s-3asrshelfex54.htm
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Document 6 - file: lnt2023s-3asrshelfex54.htm

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Document 8 - file: lnt2023s-3asrshelfex236.htm

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Document 9 - file: lnt2023s-3asrshelfex237.htm

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<FILENAME>lnt2023s-3asrshelfex241.htm
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Document 10 - file: lnt2023s-3asrshelfex241.htm

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<FILENAME>lnt2023s-3asrshelfex242.htm
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Document 11 - file: lnt2023s-3asrshelfex242.htm

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<FILENAME>lnt2023s-3asrshelfex243.htm
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Document 12 - file: lnt2023s-3asrshelfex243.htm

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Document 13 - file: lnt2023s-3asrshelfex252.htm

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Document 14 - file: lnt2023s-3asrshelfex253.htm

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Document 15 - file: lnt2023s-3asrshelfex107.htm

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Document 19 - file: image_1.jpg

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Document 20 - file: image.jpg

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Document 21 - file: image1.jpg

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