Home › California › Largest Power Plants in California Largest Power Plants in California California has 2,171 power plants with a combined nameplate capacity of 104,274 MW. The table below ranks the 50 largest by installed capacity — these are the facilities with the most generation potential in the state. Nameplate capacity measures the maximum output under ideal conditions; actual generation depends on fuel cost, demand, and maintenance schedules.
For a complete list of all plants in the state, visit the California state page . To find plants near a specific address, use the address lookup .
# Plant State Fuel Capacity 1 Diablo Canyon California Nuclear 2,323 MW 2 Dynegy Moss Landing Power Plant Hybrid California Natural Gas 2,148 MW 3 Aes Alamitos Llc California Natural Gas 1,793 MW 4 Haynes California Natural Gas 1,739 MW 5 Castaic California Hydroelectric 1,682 MW 6 Ormond Beach California Natural Gas 1,612 MW 7 Geysers Unit 5-20 California Geothermal 1,163 MW 8 La Paloma Generating Plant California Natural Gas 1,156 MW 9 Helms Pumped Storage California Hydroelectric 1,053 MW 10 Mountainview Generating Station California Natural Gas 1,037 MW 11 High Desert Power Plant California Natural Gas 960 MW 12 Delta Energy Center California Natural Gas 944 MW 13 Aes Huntington Beach Llc California Natural Gas 917 MW 14 Scattergood California Natural Gas 876 MW 15 Marsh Landing Generating Station California Natural Gas 828 MW 16 Sentinel Energy Center, Llc California Natural Gas 800 MW 17 Pastoria Energy Facility, Llc California Natural Gas 779 MW 18 Shasta California Hydroelectric 714 MW 19 Colusa Generating Station California Natural Gas 712 MW 20 Aes Huntington Beach Energy Project California Natural Gas 699 MW 21 Valley (Ca) California Natural Gas 691 MW 22 Otay Mesa Generating Project California Natural Gas 689 MW 23 Sunrise Power Llc California Natural Gas 685 MW 24 Los Medanos Energy Center California Natural Gas 678 MW 25 Aes Alamitos Energy Center California Natural Gas 678 MW 26 Carlsbad Energy Center California Natural Gas 659 MW 27 Russell City Energy Center California Natural Gas 655 MW 28 Edward C Hyatt California Hydroelectric 644 MW 29 Sutter Energy Center California Natural Gas 636 MW 30 Metcalf Energy Center California Natural Gas 635 MW 31 Elk Hills Power Llc California Natural Gas 623 MW 32 Menifee Power Bank California Battery Storage 620 MW 33 Gateway Generating Station California Natural Gas 620 MW 34 Blythe Energy Inc California Natural Gas 591 MW 35 Topaz Solar Farm California Solar 586 MW 36 Palomar Energy California Natural Gas 559 MW 37 Cosumnes California Other Fossil 557 MW 38 Harbor California Natural Gas 548 MW 39 El Segundo Energy Center Llc California Natural Gas 537 MW 40 Mccoy Solar Energy Project Hybrid California Solar 501 MW 41 Walnut Creek Energy Park California Natural Gas 500 MW 42 Solar Blue California Solar 475 MW 43 Eland Solar & Storage Center, Phase 1 Hy California Solar 460 MW 44 Desert Quartzite California Solar 450 MW 45 Daggett 3 California Solar 449 MW 46 Slate Hybrid California Solar 440 MW 47 Panoche Energy Center California Natural Gas 432 MW 48 W R Gianelli California Hydroelectric 424 MW 49 Watson Cogeneration California Natural Gas 405 MW 50 Arica Solar California Solar 399 MW
Cite this page PowerPlantsNearMe.com. (2026). Largest Power Plants in California. Derived from EIA Form 860, EIA Form 923, and EPA eGRID. Retrieved from https://powerplantsnearme.com/largest-power-plants/california Click the citation to select it for copying. For bulk data, see the data downloads page .