Power plants in Cowlitz County, Washington
5 operating power plants in Cowlitz County, Washington, with 696 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Plants
5
Nameplate capacity
696 MW
Net generation, 2025
3.64 TWh
Largest power plants in Cowlitz County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | Mint Farm Generating StationNatural gas | 319 | 2,220 | 79.4% |
| 2 | MerwinHydro | 136 | 423 | 35.5% |
| 3 | YaleHydro | 134 | 472 | 40.2% |
| 4 | Nippon Dynawave Packaging Longview WAWood biomass | 62 | 272 | 49.8% |
| 5 | Longview FibreWood biomass | 45 | 248 | 63.0% |
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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