Power plants in Napa County, California
6 operating power plants in Napa County, California, with 31 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Largest power plants in Napa County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | Calistoga Resilency CenterOther fuels and battery storage | 19 | −0.2* | – |
| 2 | Kaiser Napa Valley Corporate Dr Fuel CelNatural gas | 4.8 | 39.0 | 92.7% |
| 3 | American Canyon SolarSolar | 3.0 | 6.0 | 23.0% |
| 4 | Soscol Ferry SolarSolar | 2.0 | 4.5 | 25.6% |
| 5 | Sutter Home Winery GIRSolar | 1.1 | 1.9 | 20.0% |
| 6 | Pacific Union College BESSBattery storage | 1.0 | −0.1 | – |
* Fewer than 12 months of 2025 reported, so the total is partial.
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
More power plant lists for California
Largest power plants in California50 plants · 40,214 MWSolar farms in California974 plants · 25,484 MWWind farms in California110 plants · 6,461 MWBattery storage projects in California272 projects · 16,093 MWNatural gas power plants in California291 plants · 39,653 MWHydroelectric power plants in California209 plants · 9,614 MW
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