INTERSTATE POWER AND LIGHT COMPANY
Summary
INTERSTATE POWER AND LIGHT COMPANY is registered in the United States. Its legal form is Profit Corporation (corp.). According to GLEIF, its ultimate parent is ALLIANT ENERGY CORPORATION (United States), which is also its direct parent. That group has 2 subsidiaries with LEIs in 1 country, 2 of them in the United States. The LEI was first issued on 6 Jun 2012 and the record was last updated on 29 May 2026; the next renewal is due by 7 Jun 2027. GLEIF's ISIN mapping lists 29 ISINs for this LEI. AssetCensus found 1 data-quality note for this entity (see below).
Written from GLEIF data using fixed, reviewed sentence templates.
Data-quality notes (AssetCensus analysis)
- The ultimate-parent link rests on accounts for the period ending 31 Dec 2021, more than 24 months before this data release. The group may have changed since.
Company details
| Legal form | Profit Corporation (corp.) |
|---|---|
| Register | · Register website |
| Registration number | 20559 |
| Registration authority | Business Services Division (Secretary of State) |
| Jurisdiction | United States (US-IA) |
| Registered address | C/O CORPORATION SERVICE COMPANY, 505 5TH AVE, 50309 DES MOINES, United States |
| Headquarters address | 200 1ST ST SE, 52401 CEDAR RAPIDS, United States |
| Category | company or other legal entity |
| Status | active |
| Founded (per GLEIF) | 25 May 1925 |
| LEI | EF9UQIIO4KY2BWOK3P26 |
| LEI status | active |
| LEI first issued | 6 Jun 2012 |
| LEI record last updated | 29 May 2026 |
| Next LEI renewal | 7 Jun 2027 |
| Corroboration of the LEI record | fully corroborated |
Group membership
Relationship to the parent
| Direct parent | Ultimate parent | |
|---|---|---|
| Parent | ALLIANT ENERGY CORPORATION | ALLIANT ENERGY CORPORATION |
| Accounting period | 1 Jan 2022 to 31 Dec 2022 | 1 Jan 2021 to 31 Dec 2021 |
| Evidence | other official documents | other official documents |
| Corroboration | supplied by the entity only | supplied by the entity only |
| Relationship start | 18 May 2023 | 18 May 2023 |
| Recorded at GLEIF since | 6 Jun 2012 | 6 Jun 2012 |
| Last updated | 29 May 2026 | 29 May 2026 |
| Record status | current | current |
Other subsidiaries of the same direct parent (1)
- WISCONSIN POWER AND LIGHT COMPANY United States
ISINs mapped to this LEI (29)
US4610702031 · US4610703021 · US4610704011 · US4610705000 · US4610706099 · US4610707089 · US4610708079 · US4610708566 · US4610708640 · US4610708723
29 in the GLEIF–ANNA mapping file; first 10 shown. The file covers ISINs issued since the mapping started, not all securities.
Other names
- IES UTILITIES INC. · previous name