Grid operator · Company
Ameren Illinois Company
Ameren Illinois Company is the grid operator for 29 power plants in the United States, with 14,517 MW of capacity connected. It is a subsidiary of Ameren Corporation.
Part of the Ameren Corporation group (2 companies in the data).
On its grid
The 29 assets connected to the grid of Ameren Illinois Company. It is their grid operator, not their owner.
- Power plants29 · 14,517 MW connected
Power plants 29 · 14,517 MW connected
| Power plant | Location | Role | Capacity |
|---|---|---|---|
| Prairie State Generating Station | Illinois, United States | Grid operator | 1,766 MW |
| Lincoln Land Energy Center | Illinois, United States | Grid operator | 1,277 MW |
| Baldwin Energy Complex | Illinois, United States | Grid operator | 1,260 MW |
| Clinton Power Station | Illinois, United States | Grid operator | 1,138 MW |
| Coffeen | Illinois, United States | Grid operator | 1,005 MW |
| Havana | Illinois, United States | Grid operator | 718 MW |
| Holland Energy Facility | Illinois, United States | Grid operator | 702 MW |
| Goose Creek Energy Center | Illinois, United States | Grid operator | 684 MW |
| Wood River | Illinois, United States | Grid operator | 650 MW |
| Newton | Illinois, United States | Grid operator | 617 MW |
| Double Back Diamond | Illinois, United States | Grid operator | 593 MW |
| Shelby Energy County | Illinois, United States | Grid operator | 483 MW |
| Scopus Solar | Missouri, United States | Grid operator | 400 MW |
| Hennepin Power Station | Illinois, United States | Grid operator | 306 MW |
| Coles Wind | Illinois, United States | Grid operator | 300 MW |
| Meadow Springs Renewable Energy (Hybrid) | Illinois, United States | Grid operator | 300 MW |
| Split Rail Solar Energy LLC | Missouri, United States | Grid operator | 300 MW |
| Archtop Solar | Illinois, United States | Grid operator | 287 MW |
| Prairie Oak Solar | Illinois, United States | Grid operator | 250 MW |
| Pike Creek Wind | Illinois, United States | Grid operator | 203 MW |
| Lotus Wind | Illinois, United States | Grid operator | 200 MW |
| Old Town Wind | Illinois, United States | Grid operator | 178 MW |
| Bee Hollow Solar, LLC | Illinois, United States | Grid operator | 150 MW |
| Casey Fork Solar, LLC | Illinois, United States | Grid operator | 150 MW |
| Austin Creek Solar | Illinois, United States | Grid operator | 140 MW |
| Prairie Solar LLC | Illinois, United States | Grid operator | 135 MW |
| Flora Solar | Illinois, United States | Grid operator | 125 MW |
| Great Plains Solar, LLC | Illinois, United States | Grid operator | 100 MW |
| Switchgrass Plains Solar, LLC | Illinois, United States | Grid operator | 100 MW |
By country
Where the assets and rights are.
- The United States29 power plants
Group
Parent companies
From Ameren Illinois Company up to its ultimate parent in the data.
- Ameren Illinois Company
- Ameren Corporation
Partners and counterparties
Owners, operators and grid operators on the same assets.
- Dynegy Midwest Generation Inc4 shared
- Illinois Power Generating Co2 shared
- Strata Clean Energy2 shared
- Vesper Energy Development LLC2 shared
- American Mun Power-Ohio, Inc1 shared
- Archtop Property Management LLC1 shared
- Austin Creek Solar, LLC1 shared
- Coles Wind, LLC1 shared
- Constellation Nuclear1 shared
- Double Back Diamond Solar Power, LLC1 shared
- Flora Solar, LLC1 shared
- Geronimo Power1 shared
Facts
| Fact | Value | Source |
|---|---|---|
| Location | United States | GLEIF LEI · record · CC0 1.0 · checked 25 Oct 2026 |
| LEI | RC71E2BZ6UOMFPDJSE79 | Rare Context entity resolution · record · CC0 1.0 · checked 25 Oct 2026 GLEIF LEI · record · CC0 1.0 · checked 25 Oct 2026 |
| Company number | 17166468 | GLEIF LEI · record · CC0 1.0 · checked 25 Oct 2026 |
Also recorded as
Sources name Ameren Illinois Company under 2 records; this page joins them. Links to any of them lead here.
| Name in the source | Identifier | Source |
|---|---|---|
| Ameren Illinois Company | party:eia-utility:56697 | EIA-860 / 860M / 923 |
| AMEREN ILLINOIS COMPANY | party:lei:RC71E2BZ6UOMFPDJSE79 | GLEIF LEI |
Research on Ameren Illinois Company.Who owns the assets on its grid, where it has capacity left and how long its queue is, and an introduction to the people who decide on connections.
Request researchData on this page
- Source: U.S. Energy Information Administration (Sep 2026). EIA-860 / 860M / 923, Public domain.
- GLEIF LEI. GLEIF LEI, CC0 1.0.
- Rare Context entity resolution. Rare Context entity resolution, CC0 1.0.