Power plants in Grays Harbor County, Washington
4 operating power plants in Grays Harbor County, Washington, with 752 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Plants
4
Nameplate capacity
752 MW
Net generation, 2025
3.76 TWh
3 of 4 plants reported
Largest power plants in Grays Harbor County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | Grays Harbor Energy FacilityNatural gas | 715 | 3,649 | 58.3% |
| 2 | Sierra Pacific AberdeenWood biomass | 18 | 91.4 | 58.0% |
| 3 | WynoocheeHydro | 13 | 22.5 | 20.1% |
| 4 | Coastal Energy ProjectWind | 6.0 | – | – |
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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