Directory of Power Plants in California
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| OK Produce Fresno Carport | OK Produce | Fresno, CA | California Independent System Operator (CISO) | 3.3 GWh | Dec 2018 | Dec 2025 | Solar |
| Olsen | Olsen Power Partners | Whitmore, CA | California Independent System Operator (CISO) | 15.3 GWh | Dec 1989 | Dec 2025 | Water |
| Oltmans SCE at Champagne | California PV Energy LLC | Ontario, CA | California Independent System Operator (CISO) | 1.6 GWh | Nov 2013 | Dec 2025 | Solar |
| Oltmans SCE at Jurupa | California PV Energy LLC | Ontario, CA | California Independent System Operator (CISO) | 2.4 GWh | Nov 2013 | Dec 2025 | Solar |
| One Market Plaza | Paramount Group Inc | San Francisco, CA | California Independent System Operator (CISO) | 1.2 GWh | Nov 2003 | Dec 2025 | Natural Gas |
| One Ten Partners PV | One Ten Partners, LLC | Palmdale, CA | California Independent System Operator (CISO) | 5.5 GWh | Aug 2017 | Dec 2025 | Solar |
| Open Sky Dairy | Renewable Solar, Inc | Riverdale, CA | California Independent System Operator (CISO) | 418.8 MWh | Jun 2024 | Dec 2025 | Solar |
| Open Sky Ranch Inc | Bravo REC Management LLC | Riverdale, CA | California Independent System Operator (CISO) | 4.0 GWh | Jun 2024 | Dec 2025 | Solar |
| Orange Coast College PH2 Solar Project | Solar Star Coastal Pirate, LLC | Costa Mesa, CA | California Independent System Operator (CISO) | 4.0 GWh | Apr 2022 | Dec 2025 | Solar |
| Orange Grove Peaking Facility | Orange Grove Energy LP | Pala, CA | California Independent System Operator (CISO) | 9.1 GWh | May 2010 | Dec 2025 | Natural Gas |
| Orion Solar I | Orion Solar I LLC | Arvin, CA | California Independent System Operator (CISO) | 27.4 GWh | Mar 2014 | Dec 2025 | Solar |
| Orion Solar II | Orion Solar II, LLC | Arvin, CA | California Independent System Operator (CISO) | 16.0 GWh | May 2014 | Dec 2025 | Solar |
| Ormesa I | Ormat Nevada Inc | Holtville, CA | Imperial Irrigation District (IID) | 70.2 GWh | Nov 1986 | Dec 2024 | Geothermal |
| Ormesa II | Ormat Nevada Inc | Holtville, CA | Imperial Irrigation District (IID) | 131.7 GWh | Apr 1989 | Dec 2024 | Geothermal |
| Ormesa III | Ormat Nevada Inc | Holtville, CA | Imperial Irrigation District (IID) | 44.4 GWh | Apr 1989 | Dec 2024 | Geothermal |
| Ormond Beach | Ormond Beach Power, LLC | Oxnard, CA | California Independent System Operator (CISO) | 4.9 GWh | Jul 1971 | May 2026 | Natural Gas |
| Oro Loma | RWE Clean Energy | Oro Loma, CA | California Independent System Operator (CISO) | 49.2 GWh | Dec 2016 | Dec 2025 | Solar |
| Oroville Cogeneration, LLC | Apex Power Generation Corp. | Oroville, CA | California Independent System Operator (CISO) | 115.6 MWh | Dec 1989 | Dec 2025 | Natural Gas |
| Otay Mesa Generating Project | Otay Mesa Energy Center LLC | San Diego, CA | California Independent System Operator (CISO) | 1.3 TWh | Sep 2009 | May 2026 | Natural Gas |
| Otoe Solar Power Generation Station 1 LL | AES Distributed Energy | Apple Valley, CA | California Independent System Operator (CISO) | 3.5 GWh | Nov 2013 | Dec 2025 | Solar |
| Owens Valley Solar Project 11 | Los Angeles Department of Water & Power | Olancha, CA | Los Angeles Department of Water and Power (LDWP) | 2.7 GWh | Nov 2016 | Dec 2025 | Solar |
| Oxbow (CA) | Placer County Water Agency - (CA) | Foresthill, CA | California Independent System Operator (CISO) | 23.2 GWh | Sep 1966 | Dec 2025 | Water |
| Oxnard | Procter&Gamble Paper Products Co-Oxnard | Oxnard, CA | California Independent System Operator (CISO) | 425.0 GWh | Jun 1982 | May 2026 | Natural Gas |
| Oxnard Paper Mill | New-Indy, Oxnard LLC | Oxnard, CA | California Independent System Operator (CISO) | 150.5 GWh | Feb 1986 | May 2026 | Natural Gas |
| Oxnard Wastewater Treatment Plant | City of Oxnard - (CA) | Oxnard, CA | California Independent System Operator (CISO) | 3.0 GWh | Jul 1981 | May 2026 | Other Biomass Gas : 97.6% Natural Gas : 2.4% |
| P66 Rodeo Solar | P66 Rodeo Solar | Rodeo, CA | California Independent System Operator (CISO) | 58.0 GWh | Mar 2023 | May 2026 | Solar |
| PAC Aviation Solar | PAC Aviation | Van Nuys, CA | Los Angeles Department of Water and Power (LDWP) | 3.0 GWh | Nov 2024 | Dec 2025 | Solar |
| Pacific Aviation | Onyx Asset Services Group | Van Nuys, CA | Los Angeles Department of Water and Power (LDWP) | 2.9 GWh | Mar 2025 | Dec 2025 | Solar |
| Pacific Ethanol Madera Solar Array | Seaboard Energy California, LLC | Madera, CA | California Independent System Operator (CISO) | 4.0 GWh | Jul 2018 | Dec 2025 | Solar |
| Pacific-Ultrapower Chinese Station | IHI Power Services Corp | Jamestown, CA | California Independent System Operator (CISO) | 101.9 GWh | Sep 1986 | May 2026 | Wood/Wood Waste Solids : 98.5% Gaseous Propane : 1.5% |
| Pacific Wind LLC | EDF Renewable Asset Holdings, Inc. | Rosamond, CA | California Independent System Operator (CISO) | 294.7 GWh | Jul 2012 | Dec 2025 | Wind |
| Painted Hills Wind Park | Terra-Gen Operating Co-Wind | Whitewater, CA | California Independent System Operator (CISO) | 158.0 GWh | Oct 1985 | May 2026 | Wind |
| Palm Springs DAC PV | Palm Springs USD | Palm Springs, CA | California Independent System Operator (CISO) | 1.3 GWh | Mar 2021 | Dec 2025 | Solar |
| Palo Verde College | Scale Sustainable I, LLC | Blythe, CA | California Independent System Operator (CISO) | 2.0 GWh | Jul 2009 | Dec 2024 | Solar |
| Palomar Energy | San Diego Gas & Electric Co | Escondido, CA | California Independent System Operator (CISO) | 1.3 TWh | Sep 2005 | May 2026 | Natural Gas |
| Panoche Energy Center | Panoche Energy Center, LLC | Firebaugh, CA | California Independent System Operator (CISO) | 651.8 GWh | May 2009 | May 2026 | Natural Gas |
| Panoche Valley Solar Farm | RWE Clean Energy | Paicines, CA | California Independent System Operator (CISO) | 239.9 GWh | Dec 2017 | May 2026 | Solar |
| Pardee | East Bay Municipal Util Dist - (CA) | Valley Springs, CA | California Independent System Operator (CISO) | 79.6 GWh | Jun 1930 | Dec 2025 | Water |
| Park Meridian #1 | Altus Power America Management, LLC | Riverside, CA | California Independent System Operator (CISO) | 2.6 GWh | Feb 2015 | Dec 2025 | Solar |
| Parker | Merced Irrigation District | Snelling, CA | California Independent System Operator (CISO) | 6.0 GWh | Mar 1982 | Jun 2025 | Water |
| Parker Dam | U S Bureau of Reclamation | Parker, CA | Western Area Power Administration - Desert Southwest Region (WALC) | 363.5 GWh | Nov 1942 | May 2026 | Water |
| Parnassus Central Utility Plant | University of California-San Francisco | San Francisco, CA | California Independent System Operator (CISO) | 66.7 GWh | Dec 1995 | May 2026 | Natural Gas |
| Paso Robles - Municipal Airport | Onyx Asset Services Group | Paso Robles, CA | California Independent System Operator (CISO) | 7.6 GWh | Dec 2023 | Dec 2025 | Solar |
| Pastoria Energy Facility, LLC | Calpine Corp - Pastoria Energy Center | Lebec, CA | California Independent System Operator (CISO) | 3.3 TWh | Apr 2005 | May 2026 | Natural Gas |
| Paulsell | Crow Creek Solar, LLC | Crows Landing, CA | California Independent System Operator (CISO) | 47.5 GWh | May 2024 | May 2026 | Solar |
| PE Berkeley | Berkeley Cogeneration Facility | Berkeley, CA | California Independent System Operator (CISO) | 147.4 GWh | May 1987 | May 2026 | Natural Gas |
| Pebbly Beach Generating Station Hybrid | Southern California Edison Co | Avalon, CA | California Independent System Operator (CISO) | 27.6 GWh | Jun 1958 | May 2026 | Distillate Fuel Oil : 95.0% Gaseous Propane : 5.0% |
| PFMG Solar Grossmont Helix LLC | Altus Power America Management, LLC | La Mesa, CA | California Independent System Operator (CISO) | 2.1 GWh | Apr 2018 | Dec 2025 | Solar |
| Phoenix | Pacific Gas & Electric Co. | Sonora, CA | California Independent System Operator (CISO) | 4.9 GWh | Jan 1940 | Dec 2025 | Water |
| Phoenix Wind Power LLC | Avangrid Power LLC | North Palm Springs, CA | California Independent System Operator (CISO) | 4.7 GWh | May 1999 | Dec 2025 | Wind |
| Pierce College | Los Angeles Community College District | Wilmington, CA | Los Angeles Department of Water and Power (LDWP) | 143.0 MWh | Dec 2012 | Dec 2025 | Solar |
| Pilot Knob | Imperial Irrigation District | Winterhaven, CA | Imperial Irrigation District (IID) | 13.4 GWh | Dec 1956 | Dec 2025 | Water |
| Pine Flat | Kings River Conservation Dist | Piedra, CA | California Independent System Operator (CISO) | 353.0 GWh | Dec 1983 | May 2026 | Water |
| Pine Tree Solar Project | Los Angeles Department of Water & Power | Owenyo, CA | Los Angeles Department of Water and Power (LDWP) | 7.4 GWh | Feb 2013 | Dec 2025 | Solar |
| Pine Tree Wind Power Project | Los Angeles Department of Water & Power | Cantil, CA | Los Angeles Department of Water and Power (LDWP) | 123.0 GWh | May 2009 | Dec 2025 | Wind |
| Pinyon Pine I | Pinyon Pines Wind I, LLC | Mojave, CA | California Independent System Operator (CISO) | 283.1 GWh | Oct 2012 | Dec 2025 | Wind |
| Pinyon Pine II | Pinyon Pines Wind II, LLC | Mojave, CA | California Independent System Operator (CISO) | 204.3 GWh | Oct 2012 | Dec 2025 | Wind |
| Pio Pico Energy Center | Pio Pico Energy Center LLC | San Diego, CA | California Independent System Operator (CISO) | 46.9 GWh | Oct 2016 | Dec 2025 | Natural Gas |
| Pit 1 | Pacific Gas & Electric Co. | Burney, CA | California Independent System Operator (CISO) | 255.5 GWh | Aug 1922 | Dec 2025 | Water |
| Pit 3 | Pacific Gas & Electric Co. | Burney, CA | California Independent System Operator (CISO) | 374.6 GWh | Jun 1925 | Dec 2025 | Water |
| Pit 4 | Pacific Gas & Electric Co. | Big Bend, CA | California Independent System Operator (CISO) | 349.3 GWh | Jun 1955 | May 2026 | Water |
| Pit 5 | Pacific Gas & Electric Co. | Big Bend, CA | California Independent System Operator (CISO) | 456.3 GWh | Mar 1944 | Feb 2026 | Water |
| Pit 6 | Pacific Gas & Electric Co. | Montgomery Creek, CA | California Independent System Operator (CISO) | 262.5 GWh | Jul 1965 | Dec 2025 | Water |
| Pit 7 | Pacific Gas & Electric Co. | Montgomery Creek, CA | California Independent System Operator (CISO) | 376.0 GWh | Aug 1965 | May 2026 | Water |
| Pivot Energy PPA 22 | Pivot Energy | Visalia, CA | California Independent System Operator (CISO) | 2.2 GWh | Sep 2024 | Dec 2025 | Solar |
| Pixar - Emeryville | Bloom Energy | Emeryville, CA | California Independent System Operator (CISO) | 7.0 GWh | Dec 2013 | Dec 2025 | Natural Gas |
| Plant No 1 Orange County | Orange County Sanitation Dist - (CA) | Fountain Valley, CA | California Independent System Operator (CISO) | 40.8 GWh | May 1993 | Dec 2025 | Other Biomass Gas : 81.6% Natural Gas : 18.4% |
| Plant No 2 Orange County | Orange County Sanitation Dist - (CA) | Huntington Beach, CA | California Independent System Operator (CISO) | 46.9 GWh | May 1993 | Dec 2025 | Other Biomass Gas : 77.2% Natural Gas : 22.8% |
| Pleasant Valley Hydro | Los Angeles Department of Water & Power | Bishop, CA | Los Angeles Department of Water and Power (LDWP) | 6.3 GWh | Jan 1958 | Sep 2025 | Water |
| Poe | Pacific Gas & Electric Co. | Storrie, CA | California Independent System Operator (CISO) | 363.0 GWh | Sep 1958 | Mar 2026 | Water |
| Point Wind | Terra-Gen Operating Co-Wind | Tehachapi, CA | California Independent System Operator (CISO) | 216.2 GWh | Feb 2021 | May 2026 | Wind |
| POM Beverage Solar | Wonderful Renewable Energy, LLC. | Del Rey, CA | California Independent System Operator (CISO) | 4.4 GWh | Jun 2021 | Dec 2025 | Solar |
| POM Juice Solar | Wonderful Renewable Energy, LLC. | Fresno, CA | California Independent System Operator (CISO) | 3.6 GWh | Jun 2021 | Dec 2025 | Solar |
| POM Plant 1 | Wonderful Renewable Energy, LLC. | Del Rey, CA | California Independent System Operator (CISO) | 5.1 GWh | Nov 2021 | Dec 2025 | Solar |
| POM Plant 2 | Wonderful Renewable Energy, LLC. | Del Rey, CA | California Independent System Operator (CISO) | 3.4 GWh | Nov 2021 | Dec 2025 | Solar |
| Ponderosa Bailey Creek | Snow Mountain Hydro LLC | Manton, CA | California Independent System Operator (CISO) | 3.9 GWh | Feb 1990 | Dec 2025 | Water |
| Poole | Southern California Edison Co | Lee Vining, CA | California Independent System Operator (CISO) | 22.3 GWh | Apr 1924 | Dec 2025 | Water |
| Port of LA Solar FiT Project | Los Angeles Department of Water & Power | San Pedro, CA | Los Angeles Department of Water and Power (LDWP) | 1.4 GWh | Sep 2015 | Dec 2025 | Solar |
| Portal | Southern California Edison Co | Lakeshore, CA | California Independent System Operator (CISO) | 26.2 GWh | Nov 1956 | Dec 2025 | Water |
| Portal Ridge Solar B, LLC | Portal Ridge Solar, LLC | Lancaster, CA | California Independent System Operator (CISO) | 52.7 GWh | Jan 2017 | Dec 2025 | Solar |
| Portal Ridge Solar C, LLC | Portal Ridge Solar, LLC | Lancaster, CA | California Independent System Operator (CISO) | 28.6 GWh | Jan 2017 | Dec 2025 | Solar |
| Porterville 6 and 7 | Arevon Energy, Inc. | Porterville, CA | California Independent System Operator (CISO) | 4.2 GWh | Jun 2014 | Dec 2025 | Solar |
| Porterville Solar | Altus Power America Management, LLC | Porterville, CA | California Independent System Operator (CISO) | 6.0 GWh | Dec 2013 | Dec 2025 | Solar |
| Potrero Hills Energy Producers | Potrero Hills Energy Producers, LLC | Suisun City, CA | California Independent System Operator (CISO) | 55.9 GWh | Mar 2016 | Dec 2025 | Landfill Gas |
| Power Generation Station (PGS) 2 | East Bay Municipal Util Dist - (CA) | Oakland, CA | California Independent System Operator (CISO) | 20.3 GWh | Nov 2011 | Dec 2025 | Other Biomass Gas |
| Powhatan Solar Power Generation Station | AES Distributed Energy | Apple Valley, CA | California Independent System Operator (CISO) | 3.6 GWh | Nov 2013 | Dec 2025 | Solar |
| Prairie | Altus Power America Management, LLC | Chatsworth, CA | Los Angeles Department of Water and Power (LDWP) | 2.7 GWh | Mar 2021 | Dec 2025 | Solar |
| Procter & Gamble Power Plant | Sacramento Municipal Util Dist | Sacramento, CA | Balancing Authority of Northern California (BANC) | 518.7 GWh | Feb 1997 | May 2026 | Natural Gas |
| Prologis L.P | Powerflex | Tracy, CA | California Independent System Operator (CISO) | 5.9 GWh | Jul 2018 | Dec 2025 | Solar |
| Proxima | Proxima Solar, LLC | Crows Landing, CA | California Independent System Operator (CISO) | 464.5 GWh | Mar 2024 | May 2026 | Solar |
| PSREC/SIAD Solar | Plumas Sierra Rural Electric Coop | Herlong, CA | California Independent System Operator (CISO) | 5.6 GWh | Aug 2018 | Dec 2025 | Solar |
| Puente Hills Energy Recovery | Los Angeles County Sanitation | Whittier, CA | California Independent System Operator (CISO) | 146.9 GWh | Sep 1986 | May 2026 | Landfill Gas |
| Pumpjack Solar I | Duke Energy Renewables Services | McKittrick, CA | California Independent System Operator (CISO) | 50.6 GWh | Dec 2014 | Dec 2025 | Solar |
| PVN Milliken, LLC | PVN Milliken, LLC | Ontario, CA | California Independent System Operator (CISO) | 5.1 GWh | May 2017 | Dec 2025 | Solar |
| Quinto Solar PV Project | Arevon Energy, Inc. | Gustine, CA | California Independent System Operator (CISO) | 242.5 GWh | Oct 2015 | Dec 2025 | Solar |
| R C Kirkwood | City & County of San Francisco - (CA) | Groveland, CA | California Independent System Operator (CISO) | 489.0 GWh | Jan 1967 | May 2026 | Water |
| Rabbitbrush Solar, LLC | Leeward Asset Management, LLC | Rosamond, CA | California Independent System Operator (CISO) | 255.6 GWh | Sep 2022 | May 2026 | Solar |
| Raceway Solar & Storage | AES Clean Energy | Lancaster, CA | California Independent System Operator (CISO) | 361.7 GWh | Apr 2024 | May 2026 | Solar |
| Radiance Solar 4 | Altus Power America Management, LLC | Lancaster, CA | California Independent System Operator (CISO) | 3.2 GWh | Jun 2013 | Dec 2025 | Solar |
| Radiance Solar 5 | Altus Power America Management, LLC | Lancaster, CA | California Independent System Operator (CISO) | 2.9 GWh | Jun 2013 | Dec 2025 | Solar |
Browse Power Plants By California Counties
Figures are based on May 2026 generation numbers.| County | State Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Alameda County, CA | # 19 | 51 | 2.6 TWh |
| Amador County, CA | # 34 | 8 | 610.5 GWh |
| Butte County, CA | # 15 | 25 | 3.5 TWh |
| Calaveras County, CA | # 36 | 6 | 502.3 GWh |
| Colusa County, CA | # 23 | 4 | 2.2 TWh |
| Contra Costa County, CA | # 5 | 59 | 12.7 TWh |
| El Dorado County, CA | # 27 | 15 | 1.6 TWh |
| Fresno County, CA | # 8 | 127 | 7.3 TWh |
| Glenn County, CA | # 55 | 2 | 12.1 GWh |
| Humboldt County, CA | # 39 | 10 | 442.1 GWh |
| Imperial County, CA | # 7 | 84 | 9.9 TWh |
| Inyo County, CA | # 31 | 23 | 1.1 TWh |
| Kern County, CA | # 1 | 317 | 34.2 TWh |
| Kings County, CA | # 13 | 58 | 4.0 TWh |
| Lake County, CA | # 32 | 10 | 896.8 GWh |
| Lassen County, CA | # 40 | 9 | 337.3 GWh |
| Los Angeles County, CA | # 3 | 319 | 16.8 TWh |
| Madera County, CA | # 30 | 28 | 1.2 TWh |
| Marin County, CA | # 53 | 3 | 28.1 GWh |
| Mariposa County, CA | # 42 | 2 | 272.7 GWh |
| Mendocino County, CA | # 54 | 6 | 12.3 GWh |
| Merced County, CA | # 38 | 33 | 484.8 GWh |
| Mono County, CA | # 35 | 9 | 597.8 GWh |
| Monterey County, CA | # 21 | 29 | 2.3 TWh |
| Napa County, CA | # 51 | 11 | 51.2 GWh |
| Nevada County, CA | # 44 | 12 | 225.0 GWh |
| Orange County, CA | # 20 | 59 | 2.5 TWh |
| Placer County, CA | # 24 | 24 | 1.8 TWh |
| County | State Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Plumas County, CA | # 22 | 13 | 2.2 TWh |
| Riverside County, CA | # 4 | 162 | 14.1 TWh |
| Sacramento County, CA | # 10 | 67 | 5.6 TWh |
| San Benito County, CA | # 43 | 6 | 257.6 GWh |
| San Bernardino County, CA | # 6 | 208 | 12.0 TWh |
| San Diego County, CA | # 12 | 156 | 4.3 TWh |
| San Francisco County, CA | # 47 | 10 | 79.8 GWh |
| San Joaquin County, CA | # 29 | 53 | 1.5 TWh |
| San Luis Obispo County, CA | # 2 | 22 | 20.5 TWh |
| San Mateo County, CA | # 46 | 11 | 131.4 GWh |
| Santa Barbara County, CA | # 41 | 18 | 300.1 GWh |
| Santa Clara County, CA | # 14 | 76 | 3.5 TWh |
| Santa Cruz County, CA | # 49 | 6 | 60.8 GWh |
| Shasta County, CA | # 9 | 46 | 7.2 TWh |
| Sierra County, CA | # 52 | 3 | 29.3 GWh |
| Siskiyou County, CA | # 48 | 8 | 77.3 GWh |
| Solano County, CA | # 16 | 41 | 3.1 TWh |
| Sonoma County, CA | # 11 | 26 | 5.0 TWh |
| Stanislaus County, CA | # 18 | 25 | 2.7 TWh |
| Sutter County, CA | # 25 | 8 | 1.7 TWh |
| Tehama County, CA | # 50 | 7 | 52.9 GWh |
| Trinity County, CA | # 37 | 5 | 488.3 GWh |
| Tulare County, CA | # 26 | 71 | 1.6 TWh |
| Tuolumne County, CA | # 17 | 23 | 2.9 TWh |
| Ventura County, CA | # 33 | 33 | 672.3 GWh |
| Yolo County, CA | # 45 | 15 | 196.2 GWh |
| Yuba County, CA | # 28 | 5 | 1.5 TWh |