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
- DEFA14A Proxy Proxy Materials
- DEFA14A Proxy Proxy Materials
- S-4 Deal Registration Statement - Business Combination
- DEFA14A Proxy Proxy Materials
- 10-Q/A Report 10-Q/A
- 10-Q Report Quarterly Report
- U-1 Other U-1
- S-4 Deal Registration Statement - Business Combination
- 8-K Event Item 5 · Item 7
- 10-Q Report Quarterly Report
- 10-K405/A Other 10-K405/A
- 10-K405 Other 10-K405
- 8-K Event Item 5 · Item 7
- SC 13D Stake Beneficial Ownership Report
- SC 13D Stake Beneficial Ownership Report
- SC 13D Stake Beneficial Ownership Report
- SC 13D Stake Beneficial Ownership Report
- 8-K Event Item 5 · Item 7
- 10-Q Report Quarterly Report
- 10-Q Report Quarterly Report
Page 156 of 157 · 3,132 filings