Power plants in Orange County, California
42 operating power plants in Orange County, California, with 1,697 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Plants
42
Nameplate capacity
1,697 MW
Net generation, 2025
2.61 TWh
39 of 42 plants reported
Largest power plants in Orange County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | AES Huntington Beach Energy ProjectNatural gas | 699 | 1,878 | 30.7% |
| 2 | AES Huntington Beach LLCNatural gas | 218 | 6.2 | 0.3% |
| 3 | Stanton Energy Reliability Center HybridNatural gas | 161 | 1.7 | 0.2% |
| 4 | Canyon Power PlantNatural gas | 150 | 13.3 | 0.8% |
| 5 | Johanna Energy Center, LLCBattery storage | 80 | −11.8 | – |
| 6 | Stanton Battery Energy StorageBattery storage | 69 | −10.0 | – |
| 7 | Barre PeakerNatural gas | 50 | 5.4 | 1.2% |
| 8 | Brea Expansion PlantLandfill gas | 36 | 233 | 74.5% |
| 9 | BCE Seal BeachSolar and battery storage | 29 | 1.6* | – |
| 10 | Bowerman Power LFG, LLCLandfill gas | 24 | 151 | 72.6% |
| 11 | Hecate Energy Johanna FacilityBattery storage | 20 | −3.6 | – |
| 12 | BCE Los Alamitos 2Solar and battery storage | 20 | – | – |
| 13 | BCE Los Alamitos 1Solar and battery storage | 20 | – | – |
| 14 | UCI Facilities Management Central PlantNatural gas | 19 | 113 | 67.7% |
| 15 | Plant No 2 Orange CountyBiomass and other fuels | 16 | 46.9 | 33.4% |
| 16 | Blacksand Generating FacilityNatural gas | 9.6 | 30.5 | – |
| 17 | CSUF TrigenerationNatural gas and solar | 8.9 | 36.7 | 47.0% |
| 18 | Plant No 1 Orange CountyBiomass | 7.5 | 40.8 | 62.1% |
| 19 | HEBT Irvine 2Battery storage | 5.8 | −0.8 | – |
| 20 | Hoag Hospital Cogen PlantNatural gas | 5.5 | 27.4 | 69.6% |
| 21 | HEBT Irvine 1Battery storage | 5.5 | −0.9 | – |
| 22 | Orange Coast College PH2 Solar ProjectSolar and battery storage | 5.2 | 4.0 | 15.3% |
| 23 | Yorba LindaHydro | 5.1 | 9.4 | 21.0% |
| 24 | OCSDBattery storage | 4.9 | −0.4 | – |
| 25 | Valley ViewHydro | 4.1 | 0.0 | – |
| 26 | Coyote CreekHydro | 3.1 | 0.0 | – |
| 27 | Kaiser East La Palma Ave. Fuel CellNatural gas | 2.2 | 17.8 | 92.2% |
| 28 | Anaheim Solar Energy PlantSolar | 2.1 | 1.7 | 9.4% |
| 29 | CSUF Nutwood SolarSolar | 1.9 | 2.9 | 17.2% |
| 30 | AllerganBattery storage | 1.5 | −0.2 | – |
| 31 | DESI-2 Battery Storage FacilityBattery storage | 1.4 | 0.0 | – |
| 32 | AT&T AnaheimNatural gas | 1.3 | 7.5 | 65.5% |
| 33 | SOCCDBattery storage | 1.3 | −0.4 | – |
| 34 | Alticor Inc - Solar ProjectSolar | 1.2 | 1.4 | 13.7% |
| 35 | BakerBattery storage | 1.2 | −0.2 | – |
| 36 | Kroger La HabraSolar | 1.2 | – | – |
| 37 | Ortega Highway Energy StorageBattery storage | 1.0 | 0.0 | – |
| 38 | CSUF State CollegeSolar | 1.0 | 1.5 | 17.2% |
| 39 | Baldwin (CA)Battery storage | 1.0 | −0.1 | – |
| 40 | ATT KelvinNatural gas | 1.0 | 7.7 | 87.9% |
| 41 | DATSBattery storage | 1.0 | −0.1 | – |
| 42 | LAWRPBattery storage | 1.0 | −0.1 | – |
* Fewer than 12 months of 2025 reported, so the total is partial.
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