ALLIANT ENERGY CORP - Company Filings ↗
| cik | 0000352541 |
| entityType | operating |
| sic | 4931 |
| sicDescription | Electric & Other Services Combined |
| ownerOrg | 01 Energy & Transportation |
| insiderTransactionForOwnerExists | 1 |
| insiderTransactionForIssuerExists | 1 |
| name | ALLIANT ENERGY CORP |
| tickers | LNT |
| exchanges | Nasdaq |
| ein | 391380265 |
| lei | — |
| description | — |
| website | — |
| investorWebsite | — |
| category | Large accelerated filer |
| fiscalYearEnd | 1231 |
| stateOfIncorporation | WI |
| stateOfIncorporationDescription | WI |
| addresses.mailing | street1: 4902 NORTH BILTMORE LANE street2: SUITE 1000 city: MADISON stateOrCountry: WI zipCode: 53718-2148 stateOrCountryDescription: WI isForeignLocation: 0 |
| addresses.business | street1: 4902 NORTH BILTMORE LANE street2: SUITE 1000 city: MADISON stateOrCountry: WI zipCode: 53718-2148 stateOrCountryDescription: WI |
| phone | 608-458-3311 |
| flags | — |
| formerNames | name: ALLIANT ENERGY CORP, from: 1999-12-15T05:00:00.000Z, to: 2026-07-14T04:00:00.000Z name: INTERSTATE ENERGY CORP, from: 1998-05-27T04:00:00.000Z, to: 1999-05-13T04:00:00.000Z name: WPL HOLDINGS INC, from: 1994-11-14T05:00:00.000Z, to: 1998-02-23T05:00:00.000Z |