CA · State grid profile
California power grid
California combines a large natural-gas fleet with substantial solar, hydro, storage, wind, and geothermal capacity. The result is a diverse system where resource mix and flexibility matter as much as the total capacity number.
Final 2024 state totalsPreliminary 2025 facilitiesCommunity-reported data centers
Coverage quality
What is complete here?
Generation portfolio
California capacity by fuel
Oil & gas40.2%40,987 MW
Solar22.1%22,563 MW
Hydro13.5%13,718 MW
Storage11.5%11,769 MW
Wind6.4%6,487 MW
Geothermal2.8%2,868 MW
Nuclear2.3%2,323 MW
Biomass1.1%1,104 MW
Industrial & other0.1%95 MW
Coal0.1%63 MW
Facility intelligence
Largest California power plants
| Plant | Primary fuel | Location | Utility | Operating capacity |
|---|---|---|---|---|
| Diablo CanyonPlant 6099 | Nuclear | Avila Beach, CASan Luis Obispo County | Pacific Gas & Electric Co. | 2,323 MW |
| Dynegy Moss Landing Power Plant HybridPlant 260 | Oil & gas | Moss Landing, CAMonterey County | Dynegy -Moss Landing LLC | 1,848 MW |
| HaynesPlant 400 | Oil & gas | Long Beach, CALos Angeles County | Los Angeles Department of Water & Power | 1,739 MW |
| CastaicPlant 392 | Hydro | Castaic, CALos Angeles County | Los Angeles Department of Water & Power | 1,682 MW |
| Ormond BeachPlant 350 | Oil & gas | Oxnard, CAVentura County | Ormond Beach Power, LLC | 1,612 MW |
| Geysers Unit 5-20Plant 286 | Geothermal | Middletown, CASonoma County | Geysers Power Co LLC | 1,236 MW |
| La Paloma Generating PlantPlant 55151 | Oil & gas | McKittrick, CAKern County | CXA La Paloma LLC | 1,156 MW |
| AES Alamitos LLCPlant 315 | Oil & gas | Long Beach, CALos Angeles County | AES Alamitos LLC | 1,115 MW |
| Helms Pumped StoragePlant 6100 | Hydro | Shaver Lake, CAFresno County | Pacific Gas & Electric Co. | 1,053 MW |
| Mountainview Generating StationPlant 358 | Oil & gas | Redlands, CASan Bernardino County | Southern California Edison Co | 1,037 MW |
Methodology
Transparent by design
State totals and fuel mix use finalized EIA-860 2024 generator data. The facility table uses the EIA-860 2025 Early Release and is preliminary. Data-center counts use OpenStreetMap community records and measure mapped coverage, not the full market.