ALLIANT ENERGY CORPORATION
Summary
ALLIANT ENERGY CORPORATION is registered in the United States. Its legal form is Business Corporation (corp.). ALLIANT ENERGY CORPORATION is the ultimate parent of a group of 2 subsidiaries in 1 country, as reported to GLEIF. GLEIF gives this reason: the entity is controlled by legal entities that are not subject to accounting consolidation. It has 2 direct subsidiaries in GLEIF data. The LEI was first issued on 15 Nov 2019 and the record was last updated on 29 May 2026; the next renewal is due by 7 Jun 2027. GLEIF's ISIN mapping lists 5 ISINs for this LEI.
Written from GLEIF data using fixed, reviewed sentence templates.
Data-quality notes (AssetCensus analysis)
No data-quality notes for this entity in this data release.
Company details
| Legal form | Business Corporation (corp.) |
|---|---|
| Register | · Register website |
| Registration number | 1W16737 |
| Registration authority | Corporation Section (Division of Corporate & Consumer Services, Department of Financial Institutions) |
| Jurisdiction | United States (US-WI) |
| Registered address | C/O CORPORATION SERVICE COMPANY, 33 EAST MAIN STREET, 53703 MADISON, United States |
| Headquarters address | 4902 N. BILTMORE LANE, 53718-2148 MADISON, United States |
| Category | company or other legal entity |
| Status | active |
| Founded (per GLEIF) | 22 Apr 1981 |
| LEI | 5493009ML300G373MZ12 |
| LEI status | active |
| LEI first issued | 15 Nov 2019 |
| LEI record last updated | 29 May 2026 |
| Next LEI renewal | 7 Jun 2027 |
| Corroboration of the LEI record | fully corroborated |
Group membership
Parent not reported to GLEIF
- Direct parent: the entity is controlled by legal entities that are not subject to accounting consolidation.
- Ultimate parent: the entity is controlled by legal entities that are not subject to accounting consolidation.
Direct subsidiaries (2)
- INTERSTATE POWER AND LIGHT COMPANY United States · DES MOINES
- WISCONSIN POWER AND LIGHT COMPANY United States · MADISON
ISINs mapped to this LEI (5)
US0188021085 · US0188022075 · US018802AD07 · US018802AE89 · US018802AF54
5 in the GLEIF–ANNA mapping file. The file covers ISINs issued since the mapping started, not all securities.