CIK 0000352541 · Large accelerated filer
ALLIANT ENERGY CORP
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- 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
- S-3ASR Offering Registration Statement
- S-3ASR Offering Registration Statement
- 11-K Other Annual Report
- ARS Other Annual Report to Security Holders
- DEFA14A Proxy Proxy Materials
- 11-K Other Annual Report
- DEFA14A Proxy Proxy Materials
- 11-K Other Annual Report
- DEFA14A Proxy Proxy Materials
- S-3ASR Offering Registration Statement
- S-3ASR Offering Registration Statement
- 11-K Other Annual Report
- S-8 Other Securities Offered to Employees in Benefit Plans
- DEFA14A Proxy Proxy Materials
- 11-K Other Annual Report
- S-8 Other Securities Offered to Employees in Benefit Plans
- CERT Other Certification
- 8-A12B Other Registration of Securities
- 25 Other Notification of Removal from Listing
- 11-K Other Annual Report
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