Power plants in Madera County, California
20 operating power plants in Madera County, California, with 464 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Plants
20
Nameplate capacity
464 MW
Net generation, 2025
1.08 TWh
19 of 20 plants reported
Largest power plants in Madera County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | Mammoth PoolHydro | 190 | 466 | 28.0% |
| 2 | Big Creek 4Hydro | 100 | 365 | 41.7% |
| 3 | Borden Solar FarmSolar | 50 | 113 | 25.9% |
| 4 | Chowchilla IINatural gas | 50 | 13.7 | 3.2% |
| 5 | Adera SolarSolar | 20 | 32.7 | 18.7% |
| 6 | KDC Solar Madera LLCSolar | 10 | – | – |
| 7 | Avenue 26 SolarSolar | 7.6 | 13.3 | 20.0% |
| 8 | Wonderful FirebaughSolar | 5.4 | 10.2 | 21.5% |
| 9 | Wonderful Orchards - New ColumbiaSolar | 5.0 | 10.8 | 24.7% |
| 10 | Costa View FarmsSolar | 5.0 | 10.9 | 24.9% |
| 11 | Pacific Ethanol Madera Solar ArraySolar | 4.3 | 4.0 | 10.7% |
| 12 | Sealed Air Madera Solar ProjectSolar and battery storage | 3.8 | 7.3 | 28.1% |
| 13 | DGS Valley State PrisonSolar | 2.3 | 3.7 | 18.5% |
| 14 | Site 980 65Hydro | 2.1 | 1.0 | 5.6% |
| 15 | DGS Central California Womens FacilitySolar | 2.0 | 3.1 | 17.4% |
| 16 | Diamond H Dairy PowerBiomass | 2.0 | 11.5 | 65.7% |
| 17 | Madera 1 PVSolar | 1.5 | 3.2 | 24.2% |
| 18 | CA - Madera USD - Madera South HSSolar | 1.2 | 2.3 | 22.1% |
| 19 | City of Madera WWTPSolar | 1.0 | 1.7 | 19.6% |
| 20 | Madera Community HospitalSolar | 1.0 | 1.7 | 19.9% |
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