Power plants in Pierce County, Washington
6 operating power plants in Pierce County, Washington, with 638 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Largest power plants in Pierce County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | Frederickson Power LPNatural gas | 318 | 1,584 | 56.8% |
| 2 | FredericksonNatural gas | 178 | 20.8 | 1.3% |
| 3 | LaGrandeHydro | 64 | 291 | 51.9% |
| 4 | AlderHydro | 51 | 187 | – |
| 5 | ElectronHydro | 23 | 0.0 | – |
| 6 | LRI LFGTE FacilityLandfill gas | 4.5 | 33.2 | 84.2% |
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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