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.

#PlantStateFuelCapacity
1Diablo CanyonCaliforniaNuclear2,323 MW
2Dynegy Moss Landing Power Plant HybridCaliforniaNatural Gas2,148 MW
3Aes Alamitos LlcCaliforniaNatural Gas1,793 MW
4HaynesCaliforniaNatural Gas1,739 MW
5CastaicCaliforniaHydroelectric1,682 MW
6Ormond BeachCaliforniaNatural Gas1,612 MW
7Geysers Unit 5-20CaliforniaGeothermal1,163 MW
8La Paloma Generating PlantCaliforniaNatural Gas1,156 MW
9Helms Pumped StorageCaliforniaHydroelectric1,053 MW
10Mountainview Generating StationCaliforniaNatural Gas1,037 MW
11High Desert Power PlantCaliforniaNatural Gas960 MW
12Delta Energy CenterCaliforniaNatural Gas944 MW
13Aes Huntington Beach LlcCaliforniaNatural Gas917 MW
14ScattergoodCaliforniaNatural Gas876 MW
15Marsh Landing Generating StationCaliforniaNatural Gas828 MW
16Sentinel Energy Center, LlcCaliforniaNatural Gas800 MW
17Pastoria Energy Facility, LlcCaliforniaNatural Gas779 MW
18ShastaCaliforniaHydroelectric714 MW
19Colusa Generating StationCaliforniaNatural Gas712 MW
20Aes Huntington Beach Energy ProjectCaliforniaNatural Gas699 MW
21Valley (Ca)CaliforniaNatural Gas691 MW
22Otay Mesa Generating ProjectCaliforniaNatural Gas689 MW
23Sunrise Power LlcCaliforniaNatural Gas685 MW
24Los Medanos Energy CenterCaliforniaNatural Gas678 MW
25Aes Alamitos Energy CenterCaliforniaNatural Gas678 MW
26Carlsbad Energy CenterCaliforniaNatural Gas659 MW
27Russell City Energy CenterCaliforniaNatural Gas655 MW
28Edward C HyattCaliforniaHydroelectric644 MW
29Sutter Energy CenterCaliforniaNatural Gas636 MW
30Metcalf Energy CenterCaliforniaNatural Gas635 MW
31Elk Hills Power LlcCaliforniaNatural Gas623 MW
32Menifee Power BankCaliforniaBattery Storage620 MW
33Gateway Generating StationCaliforniaNatural Gas620 MW
34Blythe Energy IncCaliforniaNatural Gas591 MW
35Topaz Solar FarmCaliforniaSolar586 MW
36Palomar EnergyCaliforniaNatural Gas559 MW
37CosumnesCaliforniaOther Fossil557 MW
38HarborCaliforniaNatural Gas548 MW
39El Segundo Energy Center LlcCaliforniaNatural Gas537 MW
40Mccoy Solar Energy Project HybridCaliforniaSolar501 MW
41Walnut Creek Energy ParkCaliforniaNatural Gas500 MW
42Solar BlueCaliforniaSolar475 MW
43Eland Solar & Storage Center, Phase 1 HyCaliforniaSolar460 MW
44Desert QuartziteCaliforniaSolar450 MW
45Daggett 3CaliforniaSolar449 MW
46Slate HybridCaliforniaSolar440 MW
47Panoche Energy CenterCaliforniaNatural Gas432 MW
48W R GianelliCaliforniaHydroelectric424 MW
49Watson CogenerationCaliforniaNatural Gas405 MW
50Arica SolarCaliforniaSolar399 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

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