<SEC-DOCUMENT>0000352541-23-000047-index.html : 20230404 <SEC-HEADER>0000352541-23-000047.hdr.sgml : 20230404 <ACCEPTANCE-DATETIME>20230403183729 ACCESSION NUMBER: 0000352541-23-000047 CONFORMED SUBMISSION TYPE: ARS PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20221231 FILED AS OF DATE: 20230404 DATE AS OF CHANGE: 20230403 EFFECTIVENESS DATE: 20230404 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: ARS SEC ACT: 1934 Act SEC FILE NUMBER: 001-09894 FILM NUMBER: 23794384 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>ARS <SEQUENCE>1 <FILENAME>lnt2022ars.pdf <DESCRIPTION>ARS <TEXT> Document 1 - file: lnt2022ars.pdf
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