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CIK 0000352541 · Large accelerated filer

ALLIANT ENERGY CORP

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Ticker
LNT
Exchange
Nasdaq
Industry
Electric & Other Services Combined
FY end
Dec 31
Incorporated
WI
Entity type
operating
EIN
391380265
Phone
608-458-3311
Business address
4902 NORTH BILTMORE LANE, SUITE 1000, MADISON, WI, 53718-2148
Former names
ALLIANT ENERGY CORP, INTERSTATE ENERGY CORP, WPL HOLDINGS INC
  1. S-3ASR Offering Registration Statement
  2. 11-K Other Annual Report
  3. ARS Other Annual Report to Security Holders
  4. DEFA14A Proxy Proxy Materials
  5. S-8 POS Other Post-effective Amendment
  6. S-8 POS Other Post-effective Amendment
  7. S-8 POS Other Post-effective Amendment
  8. S-8 POS Other Post-effective Amendment
  9. S-8 POS Other Post-effective Amendment
  10. S-8 POS Other Post-effective Amendment
  11. S-8 POS Other Post-effective Amendment
  12. FWP Offering Free Writing Prospectus
  13. POSASR Other POSASR
  14. 11-K Other Annual Report
  15. PX14A6G Other Notice of Exempt Solicitation Submitted by Non-management
  16. ARS Other Annual Report to Security Holders
  17. DEFA14A Proxy Proxy Materials
  18. 11-K Other Annual Report
  19. ARS Other Annual Report to Security Holders
  20. DEFA14A Proxy Proxy Materials

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