Where is LaSalle Generating Station?

In LaSalle 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 LaSalle Generating Station?

2 GW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.

Who owns LaSalle Generating 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 LaSalle Generating 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 "LaSalle Generating Station LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.

Is LaSalle Generating Station still running?

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

LaSalle Generating Station

LaSalle Generating Station is a 2 GW nuclear power plant in LaSalle County, Illinois, operated by Constellation Nuclear. EIA-860M lists 2 generating units here, inside PJM. Its units entered service in 1984.

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: 2,340 MW; 2,264.4 MW net summer
Generating units: 2
In service: 1984
EIA plant ID: 6026

Where it is

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County: LaSalle County, Illinois
Coordinates: 41.2455, -88.6691
Balancing authority: PJM
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 →

LaSalle Generating Station: FAQ

Where is LaSalle Generating Station?: In LaSalle 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 LaSalle Generating Station?: 2 GW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
Who owns LaSalle Generating 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 LaSalle Generating 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 "LaSalle Generating Station LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is LaSalle Generating Station still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.