Power plants in California

1,838 operating power projects with 107,415 MW of nameplate capacity, from EIA-860M for August 2026.

Projects

1,838

Nameplate capacity

107,415 MW

Counties with a plant

55

Operators

789

Power markets: CAISO prices

Capacity by fuel

Natural gas · 39,656 MW · 289Solar · 25,487 MW · 971Battery storage · 16,093 MW · 125Hydro · 9,670 MW · 208Wind · 6,461 MW · 110Other fuels · 3,966 MW · 127Pumped storage · 3,704 MW · 6Nuclear · 2,323 MW · 1Coal · 55 MW · 1

MW is nameplate from operating generators and batteries. Plant counts use each project's primary fuel, so a coal and gas plant counts once.

Largest power plants in California

Top 50 · All 1,838 plants
PlantPrimary fuelMWCountyOperator
Diablo CanyonNuclear2,323San Luis ObispoPacific Gas & Electric Co.
Dynegy Moss Landing Power Plant HybridNatural gas and battery storage1,848MontereyDynegy -Moss Landing LLC
HaynesNatural gas1,739Los AngelesLos Angeles Department of Water & Power
CastaicPumped storage1,682Los AngelesLos Angeles Department of Water & Power
Ormond BeachNatural gas1,612VenturaOrmond Beach Power, LLC
Geysers Unit 5-20Geothermal1,236SonomaGeysers Power Co LLC
La Paloma Generating PlantNatural gas1,156KernCXA La Paloma LLC
AES Alamitos LLCNatural gas1,115Los AngelesAES Alamitos LLC
Helms Pumped StoragePumped storage1,053FresnoPacific Gas & Electric Co.
Mountainview Generating StationNatural gas1,037San BernardinoSouthern California Edison Co

California power plants by fuel

Newest plants in California

Ordered by the month the first generator began operating.

Counties with the most capacity

Largest operators in California

Grouped by EIA operator name. Parent companies are not merged.

All 1,838 plants in California, by county

Alameda County 31 plants

Amador County 5 plants

Butte County 20 plants

Calaveras County 5 plants

Colusa County 4 plants

Contra Costa County 40 plants

El Dorado County 15 plants

Fresno County 100 plants

Glenn County 2 plants

Humboldt County 6 plants

Imperial County 71 plants

Inyo County 19 plants

Kern County 257 plants

Kings County 52 plants

Lake County 4 plants

Lassen County 5 plants

Los Angeles County 238 plants

Madera County 20 plants

Mariposa County 2 plants

Mendocino County 3 plants

Merced County 24 plants

Mono County 9 plants

Monterey County 23 plants

Napa County 6 plants

Nevada County 9 plants

Orange County 42 plants

Placer County 20 plants

Plumas County 9 plants

Riverside County 119 plants

Sacramento County 62 plants

San Benito County 5 plants

San Bernardino County 123 plants

San Diego County 103 plants

San Francisco County 5 plants

San Joaquin County 37 plants

San Luis Obispo County 17 plants

San Mateo County 8 plants

Santa Barbara County 12 plants

Santa Clara County 44 plants

Santa Cruz County 4 plants

Shasta County 37 plants

Sierra County 2 plants

Siskiyou County 3 plants

Solano County 34 plants

Sonoma County 22 plants

Stanislaus County 19 plants

Sutter County 7 plants

Tehama County 6 plants

Trinity County 4 plants

Tulare County 60 plants

Tuolumne County 20 plants

Ventura County 24 plants

Yuba County 4 plants

Questions about power plants in California

How many power plants are in California?

EIA-860M for August 2026 lists 1,838 operating power projects in California, with 107,415 MW of nameplate capacity including batteries.

What is the largest power plant in California?

Diablo Canyon in San Luis Obispo County, with 2,323 MW of nameplate capacity. The next largest is Dynegy Moss Landing Power Plant Hybrid, with 1,848 MW.

How much of California's capacity is solar?

25,487 MW, about 24% of nameplate capacity. 971 projects have solar as their primary fuel.

Source: EIA-860M August 2026, published 2026-09-24. Page updated 2026-10-04. Data sources