Power plants in Park County, Wyoming
6 operating power plants in Park County, Wyoming, with 34 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Largest power plants in Park County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | Buffalo BillHydro | 18 | 57.5 | 36.4% |
| 2 | Heart MountainHydro | 5.0 | 16.2 | 36.9% |
| 3 | Spirit MountainHydro | 4.5 | 16.1 | 40.9% |
| 4 | Shoshone (WY)Hydro | 3.0 | 17.1 | 64.9% |
| 5 | Garland Canal Power PlantHydro | 2.9 | 8.8 | 34.7% |
| 6 | Elk Basin Gasoline PlantNatural gas | 1.0 | 6.3 | 35.9% |
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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