Power plants in LaSalle County, Illinois
20 operating power plants in LaSalle County, Illinois, with 2,824 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Plants
20
Nameplate capacity
2,824 MW
Net generation, 2025
19.9 TWh
Largest power plants in LaSalle County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | LaSalle Generating StationNuclear | 2,340 | 18,874 | 92.1% |
| 2 | Grand Ridge Wind Energy CenterWind | 210 | 447 | 24.3% |
| 3 | Otter Creek Wind Farm LLCWind | 150 | 450 | 34.3% |
| 4 | Grand Ridge Battery ProjectsBattery storage | 36 | −3.7 | – |
| 5 | Grand Ridge Solar FarmSolar | 20 | 31.1 | 17.7% |
| 6 | City of Peru Water Street Generating StaOil | 16 | 0.0 | 0.0% |
| 7 | City of Peru Plank Road Generating StationOil | 14 | 17.4 | 14.8% |
| 8 | City of Peru Hydro-Electric Generating SHydro | 7.6 | 17.2 | 25.9% |
| 9 | City of Peru Rail Generating StationOil | 5.4 | 0.1 | 0.1% |
| 10 | Dayton HydroHydro | 3.6 | 9.9 | 31.3% |
| 11 | LaSalle Solar 6Solar | 3.6 | 0.6 | – |
| 12 | MendotaSolar | 2.0 | 3.3 | 18.7% |
| 13 | Segunda II (CSG)Solar | 2.0 | 4.8 | 27.3% |
| 14 | Mendota Rich Dev CSGSolar | 2.0 | 4.1 | 23.4% |
| 15 | Briscoe 1ASolar | 2.0 | 4.1 | 23.4% |
| 16 | Briscoe 2ASolar | 2.0 | 4.7 | 26.8% |
| 17 | LaSalle Solar 1Solar | 2.0 | 1.9 | – |
| 18 | SAE Ottawa ILSolar | 2.0 | 0.2 | – |
| 19 | Briscoe Solar 1Solar | 2.0 | 4.0 | 23.1% |
| 20 | Briscoe Solar 2Solar | 2.0 | 2.9 | – |
MW is the nameplate capacity of operating generators and batteries. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources
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