<SEC-DOCUMENT>0000352541-21-000043-index.html : 20210401
<SEC-HEADER>0000352541-21-000043.hdr.sgml : 20210401
<ACCEPTANCE-DATETIME>20210401061031
ACCESSION NUMBER:		0000352541-21-000043
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		28
CONFORMED PERIOD OF REPORT:	20210520
FILED AS OF DATE:		20210401
DATE AS OF CHANGE:		20210401

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:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09894
		FILM NUMBER:		21795935

	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>DEF 14A
<SEQUENCE>1
<FILENAME>lnt2021def14a.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: lnt2021def14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>lnt2021def14a_aelogo1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: lnt2021def14a_aelogo1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>lnt2021def14a_allen1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: lnt2021def14a_allen1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>lnt2021def14a_bodsnapshot1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: lnt2021def14a_bodsnapshot1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>lnt2021def14a_ceotrgtpay1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: lnt2021def14a_ceotrgtpay1.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>lnt2021def14a_executivecom.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: lnt2021def14a_executivecom.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>lnt2021def14a_gallegos1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: lnt2021def14a_gallegos1.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>lnt2021def14a_garcia1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: lnt2021def14a_garcia1.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>lnt2021def14a_internet1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: lnt2021def14a_internet1.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>lnt2021def14a_larsen1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: lnt2021def14a_larsen1.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>lnt2021def14a_mcallister1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: lnt2021def14a_mcallister1.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>lnt2021def14a_ml1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: lnt2021def14a_ml1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>lnt2021def14a_neotrgtpay1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: lnt2021def14a_neotrgtpay1.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>lnt2021def14a_newport1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: lnt2021def14a_newport1.jpg

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<SEQUENCE>15
<FILENAME>lnt2021def14a_oestreich1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: lnt2021def14a_oestreich1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>lnt2021def14a_oneyeartsr1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: lnt2021def14a_oneyeartsr1.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>lnt2021def14a_otoole1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 17 - file: lnt2021def14a_otoole1.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>lnt2021def14a_performancep.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 18 - file: lnt2021def14a_performancep.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>lnt2021def14a_phone1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 19 - file: lnt2021def14a_phone1.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>lnt2021def14a_proxybackcov.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 20 - file: lnt2021def14a_proxybackcov.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>21
<FILENAME>lnt2021def14a_proxycard1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 21 - file: lnt2021def14a_proxycard1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>22
<FILENAME>lnt2021def14a_proxycover1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 22 - file: lnt2021def14a_proxycover1.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>23
<FILENAME>lnt2021def14a_proxyvoting1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 23 - file: lnt2021def14a_proxyvoting1.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>24
<FILENAME>lnt2021def14a_sanders1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 24 - file: lnt2021def14a_sanders1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>25
<FILENAME>lnt2021def14a_skillsandqua.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 25 - file: lnt2021def14a_skillsandqua.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>26
<FILENAME>lnt2021def14a_threeyeartsr1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 26 - file: lnt2021def14a_threeyeartsr1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>27
<FILENAME>lnt2021def14a_values1a.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 27 - file: lnt2021def14a_values1a.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>28
<FILENAME>lnt2021def14a_whiting1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 28 - file: lnt2021def14a_whiting1.jpg

</DOCUMENT>
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