Where is Clinton Power Station?

In DeWitt County, Illinois (IL). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.

How big is Clinton Power Station?

1 GW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.

Who owns Clinton Power Station?

EIA-860M names Constellation Nuclear as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.

Is this the same as Clinton Power Station LLC?

Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Constellation Nuclear here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "Clinton Power Station LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.

Is Clinton Power Station still running?

EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.

Clinton Power Station

Clinton Power Station is a 1 GW nuclear power plant in DeWitt County, Illinois, operated by Constellation Nuclear. EIA-860M lists 1 generating unit here, inside MISO. Its unit entered service in 1987.

As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m

Nameplate capacity: 1,138.3 MW; 1,078.9 MW net summer
Generating units: 1
In service: 1987
EIA plant ID: 204

Where it is

Loading map…

County: DeWitt County, Illinois
Coordinates: 40.1719, -88.8339
Balancing authority: MISO
Sector: IPP Non-CHP

Units, technology and status

Operator of record: Constellation Nuclear
Primary energy source: Nuclear
Technologies: Nuclear
Status: Operating

Every plant Constellation Nuclear reports to EIA →

Clinton Power Station: FAQ

Where is Clinton Power Station?: In DeWitt County, Illinois (IL). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
How big is Clinton Power Station?: 1 GW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns Clinton Power Station?: EIA-860M names Constellation Nuclear as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
Is this the same as Clinton Power Station LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Constellation Nuclear here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "Clinton Power Station LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Clinton Power Station still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.