Power plants in Bonneville County, Idaho
11 operating power plants in Bonneville County, Idaho, with 611 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Plants
11
Nameplate capacity
611 MW
Net generation, 2025
1.84 TWh
10 of 11 plants reported
Largest power plants in Bonneville County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | Palisades DamHydro | 176 | 657 | 42.5% |
| 2 | Goshen Phase IIWind | 125 | 337 | 30.9% |
| 3 | Meadow Creek Project CompanyWind | 120 | 292 | 27.9% |
| 4 | Wolverine CreekWind | 65 | 144 | 25.4% |
| 5 | Horse Butte Wind I, LLCWind | 58 | 158 | 31.3% |
| 6 | Gem StateHydro | 23 | 117 | 57.2% |
| 7 | IFP Peaking PlantNatural gas | 18 | – | – |
| 8 | City Power PlantHydro | 8.0 | 39.6 | 56.5% |
| 9 | Upper Power PlantHydro | 8.0 | 44.8 | 63.9% |
| 10 | Lower No 1Hydro | 8.0 | 41.6 | 59.4% |
| 11 | Lower No 2Hydro | 3.0 | 3.8 | 14.3% |
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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