Power plants in Trinity County, California
4 operating power plants in Trinity County, California, with 148 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Plants
4
Nameplate capacity
148 MW
Net generation, 2025
566 GWh
3 of 4 plants reported
Largest power plants in Trinity County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | TrinityHydro | 140 | 551 | 45.0% |
| 2 | Big Creek Water WorksHydro | 5.0 | 9.6 | 21.9% |
| 3 | Gosselin Hydro PlantHydro | 2.0 | 4.6 | 26.2% |
| 4 | Three Forks Water Power ProjectHydro | 1.3 | – | – |
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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Other counties in California
Kern County257 plants · 18,580 MWLos Angeles County238 plants · 13,695 MWSan Bernardino County123 plants · 7,037 MWRiverside County119 plants · 11,454 MWSan Diego County103 plants · 5,002 MWFresno County100 plants · 5,685 MWImperial County71 plants · 4,430 MWSacramento County62 plants · 1,746 MWTulare County60 plants · 1,393 MW