Directory of Power Plants in California
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Pacific Ethanol Madera Solar Array | Seaboard Energy California, LLC | Madera, CA | California Independent System Operator (CISO) | 1.4 GWh | Jul 2018 | Dec 2023 | Solar |
| P Plant | Qualcomm Incorporated | San Diego, CA | California Independent System Operator (CISO) | 30.5 GWh | Feb 2007 | Jul 2024 | Natural Gas |
| Oxnard Wastewater Treatment Plant | Oxnard City of | Oxnard, CA | California Independent System Operator (CISO) | 4.7 GWh | Jul 1981 | Jan 2025 | Other Biomass Gas : 92.1% Natural Gas : 7.9% |
| Oxnard Paper Mill | New-Indy, Oxnard LLC | Oxnard, CA | California Independent System Operator (CISO) | 193.9 GWh | Feb 1986 | Jan 2025 | Natural Gas |
| Oxnard | Procter&Gamble Paper Products Co-Oxnard | Oxnard, CA | California Independent System Operator (CISO) | 492.6 GWh | Jun 1982 | Jan 2025 | Natural Gas |
| Oxbow (CA) | Placer County Water Agency | Foresthill, CA | California Independent System Operator (CISO) | 13.8 GWh | Sep 1966 | Dec 2023 | Water |
| Owens Valley Solar Project 11 | Los Angeles Department of Water & Power | Olancha, CA | Los Angeles Department of Water and Power (LDWP) | 2.3 GWh | Nov 2016 | Dec 2023 | Solar |
| Otoe Solar Power Generation Station 1 LLC | AES Distributed Energy | Apple Valley, CA | California Independent System Operator (CISO) | 3.5 GWh | Nov 2013 | Dec 2023 | Solar |
| Otay Mesa Generating Project | Otay Mesa Energy Center LLC | San Diego, CA | California Independent System Operator (CISO) | 2.2 TWh | Sep 2009 | Jan 2025 | Natural Gas |
| Oroville Cogeneration LP | Oroville Cogeneration LP | Oroville, CA | California Independent System Operator (CISO) | 235.0 MWh | Dec 1989 | Dec 2023 | Natural Gas |
| Oro Loma | Consolidated Edison Development Inc. | Oro Loma, CA | California Independent System Operator (CISO) | 25.3 GWh | Dec 2016 | Dec 2023 | Solar |
| Ormond Beach | Ormond Beach Power, LLC | Oxnard, CA | California Independent System Operator (CISO) | 39.4 GWh | Jul 1971 | Jan 2025 | Natural Gas |
| Ormesa III | Ormat Nevada Inc | Holtville, CA | Imperial Irrigation District (IID) | 68.5 GWh | Apr 1989 | Dec 2023 | Geothermal |
| Ormesa II | Ormat Nevada Inc | Holtville, CA | Imperial Irrigation District (IID) | 95.0 GWh | Apr 1989 | Dec 2023 | Geothermal |
| Ormesa I | Ormat Nevada Inc | Holtville, CA | Imperial Irrigation District (IID) | 101.7 GWh | Nov 1986 | Dec 2023 | Geothermal |
| Orion Solar II | Orion Solar II, LLC | Arvin, CA | California Independent System Operator (CISO) | 18.3 GWh | May 2014 | Dec 2023 | Solar |
| Orion Solar I | Orion Solar I LLC | Arvin, CA | California Independent System Operator (CISO) | 28.9 GWh | Mar 2014 | Dec 2023 | Solar |
| Orange Grove Peaking Facility | Orange Grove Energy LP | Pala, CA | California Independent System Operator (CISO) | 18.1 GWh | May 2010 | Dec 2023 | Natural Gas |
| Orange Coast College PH2 Solar Project | Solar Star Coastal Pirate, LLC | Costa Mesa, CA | California Independent System Operator (CISO) | 4.6 GWh | Apr 2022 | Dec 2023 | Solar : 88.9% Electricity used for energy storage : 11.1% |
| One Ten Partners PV | One Ten Partners, LLC | Palmdale, CA | California Independent System Operator (CISO) | 5.4 GWh | Aug 2017 | Dec 2023 | Solar |
| One Market Plaza | Paramount Group Inc | San Francisco, CA | California Independent System Operator (CISO) | 993.0 MWh | Nov 2003 | Dec 2023 | Natural Gas |
| Oltmans SCE at Jurupa | California PV Energy LLC | Ontario, CA | California Independent System Operator (CISO) | 1.7 GWh | Nov 2013 | Dec 2023 | Solar |
| Oltmans SCE at Champagne | California PV Energy LLC | Ontario, CA | California Independent System Operator (CISO) | 1.2 GWh | Nov 2013 | Dec 2023 | Solar |
| Olsen | Olsen Power Partners | Whitmore, CA | California Independent System Operator (CISO) | 18.4 GWh | Dec 1989 | Dec 2023 | Water |
| OLS Energy Chino | OLS Energy-Chino | Chino, CA | California Independent System Operator (CISO) | 10.7 GWh | Nov 1987 | Dec 2023 | Natural Gas |
| Olive View Medical Center | Los Angeles County DHS | Sylmar, CA | Los Angeles Department of Water and Power (LDWP) | 11.4 GWh | Jan 1987 | Feb 2024 | Natural Gas |
| OK Produce Fresno Carport | OK Produce | Fresno, CA | California Independent System Operator (CISO) | 3.1 GWh | Dec 2018 | Dec 2023 | Solar |
| OES Biogas Power | Organic Energy Solutions, Inc. | San Bernardino, CA | California Independent System Operator (CISO) | 348.0 MWh | - | Dec 2023 | Other Biomass Gas |
| Ocotillo Wells | Conductive Power | Borrego Springs, CA | California Independent System Operator (CISO) | 111.7 GWh | Aug 2023 | Jan 2025 | Solar |
| Ocotillo Express LLC | Pattern Operators LP | Ocotillo, CA | California Independent System Operator (CISO) | 538.7 GWh | Nov 2012 | Jan 2025 | Wind |
| Occidental College Solar Project | Occidental College | Los Angeles, CA | Los Angeles Department of Water and Power (LDWP) | 1.6 GWh | Jan 2013 | Dec 2023 | Solar |
| Oberon Solar Project | IP Oberon LLC | Desert Center, CA | California Independent System Operator (CISO) | 532.4 GWh | Aug 2023 | Jan 2025 | Solar |
| Oberon II Solar Project | IP Oberon II, LLC | Desert Center, CA | California Independent System Operator (CISO) | 564.7 GWh | Aug 2023 | Jan 2025 | Solar |
| Oasis Wind | Terra-Gen Operating Co-Wind | Mojave, CA | California Independent System Operator (CISO) | 205.4 GWh | Nov 2004 | Dec 2023 | Wind |
| Oasis Alta | Terra-Gen Operating Co-Wind | Mojave, CA | California Independent System Operator (CISO) | 45.4 GWh | Mar 2021 | Dec 2023 | Wind |
| Oakley Solar Project | Oakley Solar Project LLC | Oakley, CA | California Independent System Operator (CISO) | 2.4 GWh | May 2013 | Dec 2023 | Solar |
| Oak Creek Energy Systems I | Terra-Gen Operating Co-Wind | Mojave, CA | California Independent System Operator (CISO) | 37.8 GWh | May 1982 | Dec 2023 | Wind |
| Nunn | CD US Solar MT 2 LLC | Apple Valley, CA | California Independent System Operator (CISO) | 2.1 GWh | Jun 2013 | Dec 2023 | Solar |
| Nove Power Plant | Nove Investments I LLC | Richmond, CA | California Independent System Operator (CISO) | 35.0 MWh | Nov 1985 | Dec 2022 | Landfill Gas |
| North Star Solar | Southern Power Co | Mendota, CA | California Independent System Operator (CISO) | 135.9 GWh | May 2015 | Dec 2023 | Solar |
| North Sky River Energy LLC | North Sky River Energy LLC | Weldon, CA | California Independent System Operator (CISO) | 386.6 GWh | Nov 2012 | Dec 2023 | Wind |
| North Rosamond Solar LLC | North Rosamond Solar, LLC | Rosamond, CA | California Independent System Operator (CISO) | 396.8 GWh | May 2019 | Jan 2025 | Solar |
| North Palm Springs 4A | Greenbacker Renewable Energy Corporation | Palm Springs, CA | California Independent System Operator (CISO) | 7.9 GWh | Sep 2012 | Dec 2023 | Solar |
| North Palm Springs 1A | Greenbacker Renewable Energy Corporation | Palm Springs, CA | California Independent System Operator (CISO) | 4.7 GWh | Mar 2012 | Dec 2023 | Solar |
| North Lancaster Ranch | AES Distributed Energy | Lancaster, CA | California Independent System Operator (CISO) | 28.9 GWh | Nov 2016 | Dec 2023 | Solar |
| North Kern State Prison Phase II | SunE P11L Holdings, LLC | Delano, CA | California Independent System Operator (CISO) | 7.5 GWh | Aug 2012 | Dec 2023 | Solar |
| North City - Landfill Gas Engines South | City of San Diego | San Diego, CA | California Independent System Operator (CISO) | 1.7 GWh | Feb 1999 | Dec 2022 | Landfill Gas : 84.1% Natural Gas : 15.9% |
| North City - Landfill Gas Engine North | City of San Diego | San Diego, CA | California Independent System Operator (CISO) | 4.2 GWh | Oct 2013 | Dec 2022 | Landfill Gas |
| North Brawley Geothermal Plant | Ormat Nevada Inc | Brawley, CA | Imperial Irrigation District (IID) | 28.2 GWh | Sep 2009 | Dec 2023 | Geothermal |
| North Bay Solar 1 | AES Distributed Energy | Fairfield, CA | California Independent System Operator (CISO) | 1.6 GWh | Jul 2013 | Dec 2023 | Solar |
| Nordhoff Place | Los Angeles Department of Water & Power | Chatsworth, CA | Los Angeles Department of Water and Power (LDWP) | 1.3 GWh | Aug 2014 | Dec 2023 | Solar |
| NLP Granger | Heelstone Energy Holdings, LLC | Valley Center, CA | California Independent System Operator (CISO) | 6.1 GWh | Aug 2016 | Dec 2023 | Solar |
| Nimbus | U S Bureau of Reclamation | Folsom, CA | Balancing Authority of Northern California (BANC) | 69.9 GWh | Apr 1955 | Dec 2023 | Water |
| Niland Gas Turbine Plant | Imperial Irrigation District | Niland, CA | Imperial Irrigation District (IID) | 88.4 GWh | May 2008 | Dec 2023 | Natural Gas |
| Nicolis Solar PV Plant | Arevon Energy, Inc. | Delano, CA | California Independent System Operator (CISO) | 43.8 GWh | Aug 2016 | Dec 2023 | Solar |
| Nickel 1 Solar Facility | Altus Power America Management, LLC | Lost Hills, CA | California Independent System Operator (CISO) | 2.8 GWh | Oct 2012 | Dec 2023 | Solar |
| Niagara Bottling Stockton | EnterSolar | Stockton, CA | California Independent System Operator (CISO) | 1.7 GWh | Dec 2017 | Dec 2023 | Solar |
| Niagara Bottling - Rialto | SkyHigh 2 Solar | Rialto, CA | California Independent System Operator (CISO) | 7.9 GWh | Nov 2021 | Dec 2023 | Solar |
| NextEra Westside PV | Westside Solar, LLC | Five Points, CA | California Independent System Operator (CISO) | 47.7 GWh | Feb 2017 | Dec 2023 | Solar |
| Newcastle | Pacific Gas & Electric Co. | Auburn, CA | California Independent System Operator (CISO) | 17.3 GWh | Nov 1986 | Dec 2023 | Water |
| Newberry Solar 1 LLC | Newberry Solar 1 LLC | Newberry Springs, CA | California Independent System Operator (CISO) | 1.3 GWh | Nov 2013 | Dec 2023 | Solar |
| New Melones | U S Bureau of Reclamation | Jamestown, CA | Balancing Authority of Northern California (BANC) | 497.3 GWh | May 1979 | Jan 2025 | Water |
| New-Indy Ontario Mill | New-Indy Ontario LLC | Ontario, CA | California Independent System Operator (CISO) | 245.7 GWh | May 1985 | Jan 2025 | Natural Gas |
| New Hogan Power Plant | Modesto Irrigation District | Valley Springs, CA | California Independent System Operator (CISO) | 10.8 GWh | Mar 1989 | Dec 2023 | Water |
| Nelson Creek | Nelson Creek Power Inc | Big Bend, CA | California Independent System Operator (CISO) | 2.6 GWh | Sep 1989 | Dec 2023 | Water |
| Naval Hospital Medical Center | Department of the Navy | San Diego, CA | California Independent System Operator (CISO) | 13.0 GWh | Nov 2003 | Jan 2025 | Natural Gas |
| Naval Air Weapons Station China Lake | MN8 Energy LLC | Ridgecrest, CA | California Independent System Operator (CISO) | 23.3 GWh | Aug 2012 | Dec 2023 | Solar |
| Navajo Solar Power Generation Station 1 LLC | AES Distributed Energy | Apple Valley, CA | California Independent System Operator (CISO) | 4.2 GWh | Nov 2013 | Dec 2023 | Solar |
| National Raisin | National Raisin | Fowler, CA | California Independent System Operator (CISO) | 4.8 GWh | May 2015 | Dec 2023 | Solar |
| Narrows PH | Yuba County Water Agency | Grass Valley, CA | California Independent System Operator (CISO) | 73.5 GWh | Nov 1942 | Dec 2023 | Water |
| Narrows 2 | Yuba County Water Agency | Browns Valley, CA | California Independent System Operator (CISO) | 276.7 GWh | Nov 1969 | Dec 2023 | Water |
| Nacimiento Hydro Project | Monterey Cnty Water Res Agency | Bradley, CA | California Independent System Operator (CISO) | 18.6 GWh | Jun 1987 | Nov 2023 | Water |
| Mustang Two | RE Mustang Two LLC | Lemoore, CA | California Independent System Operator (CISO) | 393.2 GWh | Oct 2020 | Jan 2025 | Solar |
| Mustang Hills LLC | Mustang Hills, LLC (Longroad) | Mojave, CA | California Independent System Operator (CISO) | 248.1 GWh | Apr 2012 | Dec 2023 | Wind |
| Murphys | Utica Water & Power Authority | Murphys, CA | California Independent System Operator (CISO) | 17.8 GWh | Feb 1954 | Dec 2023 | Water |
| Munro Valley Solar | Ecos Energy LLC | Olancha, CA | California Independent System Operator (CISO) | 8.5 GWh | Sep 2016 | Dec 2023 | Solar |
| Municipal Cogen Plant | Palm Springs City of | Palm Springs, CA | California Independent System Operator (CISO) | 7.7 GWh | Apr 1985 | Jan 2025 | Natural Gas |
| Muck Valley Hydroelectric | Brookfield Renewable Trading and Marketing LP | NA, CA | California Independent System Operator (CISO) | 82.8 GWh | Nov 1988 | Dec 2023 | Water |
| Mt Poso Cogeneration | Mt Poso Cogeneration Co | Bakersfield, CA | California Independent System Operator (CISO) | 267.8 GWh | Apr 1989 | Sep 2023 | Wood/Wood Waste Solids : 99.5% Natural Gas : 0.5% |
| Mountainview Generating Station | Southern California Edison Co | Redlands, CA | California Independent System Operator (CISO) | 2.3 TWh | Nov 2005 | Jan 2025 | Natural Gas |
| Mountain View IV | AES Distributed Energy | North Palm Springs, CA | California Independent System Operator (CISO) | 175.1 GWh | Jan 2012 | Dec 2023 | Wind |
| Mountain View III | Avangrid Renewables LLC | North Palm Springs, CA | California Independent System Operator (CISO) | 68.7 GWh | Nov 2003 | Dec 2023 | Wind |
| Mountain View I & II | AES Distributed Energy | North Palm Springs, CA | California Independent System Operator (CISO) | 279.7 GWh | May 2001 | Jan 2025 | Wind |
| Mount Signal Solar Farm V | Imperial Valley Solar 3, LLC | Calexico, CA | California Independent System Operator (CISO) | 602.2 GWh | Oct 2018 | Jan 2025 | Solar |
| Mount Signal Solar Farm II | MN8 Energy LLC | Calexico, CA | California Independent System Operator (CISO) | 409.6 GWh | Dec 2019 | Jan 2025 | Solar |
| Morgan Lancaster 1 | Terraform Arcadia | Lancaster, CA | California Independent System Operator (CISO) | 688.0 MWh | Aug 2015 | Dec 2023 | Solar |
| Morelos del Sol | Southern Power Co | Lost Hills, CA | California Independent System Operator (CISO) | 29.5 GWh | Oct 2015 | Dec 2023 | Solar |
| Moonlight Packing - Phase 2 | CalCom Energy | Reedley, CA | California Independent System Operator (CISO) | 2.7 GWh | May 2019 | Dec 2023 | Solar |
| Monticello Dam | Solano Irrigation District | Winters, CA | California Independent System Operator (CISO) | 32.4 GWh | May 1983 | Dec 2023 | Water |
| Montgomery Creek Hydro | Central Rivers Power US, LLC | Montgomery Creek, CA | California Independent System Operator (CISO) | 8.4 GWh | Dec 1986 | Dec 2023 | Water |
| Montezuma Wind II | NextEra Energy Montezuma Wind II, LLC | Birds Landing, CA | California Independent System Operator (CISO) | 196.6 GWh | Dec 2011 | Dec 2023 | Wind |
| Monterey Regional Water Pollution Control Agency | Tesla Inc. | Marina, CA | California Independent System Operator (CISO) | 1.1 GWh | Nov 2010 | Dec 2023 | Solar |
| Monterey One Water | Monterey One Water | Marina, CA | California Independent System Operator (CISO) | 7.8 GWh | Jul 1988 | Dec 2023 | Other Biomass Gas : 81.7% Natural Gas : 18.3% |
| Mojave Solar Project | Mojave Solar LLC | Hinkley, CA | California Independent System Operator (CISO) | 635.5 GWh | Nov 2014 | Jan 2025 | Solar |
| Mojave Siphon | California Dept. of Water Resources | Hesperia, CA | California Independent System Operator (CISO) | 69.6 GWh | Jul 1996 | Dec 2023 | Water |
| Mojave 3/4/5 | Terra-Gen Operating Co-Wind | Mojave, CA | California Independent System Operator (CISO) | 83.2 GWh | Nov 1990 | Dec 2023 | Wind |
| Mojave 16/17/18 | Terra-Gen Operating Co-Wind | Mojave, CA | California Independent System Operator (CISO) | 53.9 GWh | Nov 1989 | Dec 2023 | Wind |
| Moccasin | City & County of San Francisco | Moccasin, CA | California Independent System Operator (CISO) | 273.0 GWh | Jul 1969 | Jan 2025 | Water |
| MM Yolo Power | Yolo County Community Services Department | Woodland, CA | California Independent System Operator (CISO) | 17.9 GWh | Sep 1990 | Dec 2023 | Landfill Gas |
| MM West Covina | MM West Covina Energy LLC | West Covina, CA | California Independent System Operator (CISO) | 39.9 GWh | May 1993 | Dec 2023 | Landfill Gas : 99.4% Natural Gas : 0.6% |
Browse Power Plants By California Counties
Figures are based on December 2023 generation numbers.| County | State Rank | Active Plants | Dec 2023 Generation |
|---|---|---|---|
| Marin County, CA | # 55 | 3 | 7.4 GWh |
| Mendocino County, CA | # 54 | 4 | 11.1 GWh |
| Glenn County, CA | # 53 | 2 | 16.5 GWh |
| Sierra County, CA | # 52 | 3 | 28.6 GWh |
| Napa County, CA | # 51 | 7 | 48.3 GWh |
| Santa Cruz County, CA | # 50 | 6 | 64.7 GWh |
| Tehama County, CA | # 49 | 7 | 71.6 GWh |
| San Francisco County, CA | # 48 | 10 | 76.9 GWh |
| San Mateo County, CA | # 47 | 10 | 126.4 GWh |
| Yolo County, CA | # 46 | 15 | 226.6 GWh |
| Mariposa County, CA | # 45 | 2 | 296.6 GWh |
| San Benito County, CA | # 44 | 5 | 299.9 GWh |
| Siskiyou County, CA | # 43 | 8 | 321.3 GWh |
| Santa Barbara County, CA | # 42 | 18 | 331.4 GWh |
| Lassen County, CA | # 41 | 9 | 339.7 GWh |
| Nevada County, CA | # 40 | 12 | 348.8 GWh |
| Merced County, CA | # 39 | 25 | 377.2 GWh |
| Trinity County, CA | # 38 | 5 | 450.7 GWh |
| Humboldt County, CA | # 37 | 10 | 469.4 GWh |
| Calaveras County, CA | # 36 | 6 | 743.4 GWh |
| Mono County, CA | # 35 | 9 | 794.9 GWh |
| Ventura County, CA | # 34 | 30 | 801.4 GWh |
| Amador County, CA | # 33 | 7 | 804.3 GWh |
| Tulare County, CA | # 32 | 53 | 816.3 GWh |
| Lake County, CA | # 31 | 10 | 905.3 GWh |
| Madera County, CA | # 30 | 26 | 1.0 TWh |
| Inyo County, CA | # 29 | 23 | 1.2 TWh |
| Yuba County, CA | # 28 | 4 | 1.6 TWh |
| County | State Rank | Active Plants | Dec 2023 Generation |
|---|---|---|---|
| Sutter County, CA | # 27 | 7 | 1.7 TWh |
| El Dorado County, CA | # 26 | 15 | 1.7 TWh |
| Plumas County, CA | # 25 | 13 | 1.9 TWh |
| San Joaquin County, CA | # 24 | 40 | 2.3 TWh |
| Placer County, CA | # 23 | 21 | 2.4 TWh |
| Alameda County, CA | # 22 | 43 | 2.5 TWh |
| Stanislaus County, CA | # 21 | 24 | 2.5 TWh |
| Colusa County, CA | # 20 | 3 | 2.8 TWh |
| Solano County, CA | # 19 | 40 | 3.0 TWh |
| Orange County, CA | # 18 | 58 | 3.2 TWh |
| Tuolumne County, CA | # 17 | 23 | 3.4 TWh |
| Kings County, CA | # 16 | 54 | 3.8 TWh |
| Monterey County, CA | # 15 | 29 | 4.0 TWh |
| Butte County, CA | # 14 | 25 | 4.1 TWh |
| Santa Clara County, CA | # 13 | 73 | 4.4 TWh |
| San Diego County, CA | # 12 | 148 | 5.0 TWh |
| Sonoma County, CA | # 11 | 24 | 5.2 TWh |
| Sacramento County, CA | # 10 | 63 | 6.6 TWh |
| Shasta County, CA | # 9 | 46 | 7.2 TWh |
| Fresno County, CA | # 8 | 104 | 8.5 TWh |
| Imperial County, CA | # 7 | 83 | 10.3 TWh |
| Contra Costa County, CA | # 6 | 50 | 13.6 TWh |
| Riverside County, CA | # 5 | 158 | 13.7 TWh |
| San Bernardino County, CA | # 4 | 196 | 14.1 TWh |
| San Luis Obispo County, CA | # 3 | 20 | 20.7 TWh |
| Los Angeles County, CA | # 2 | 290 | 21.0 TWh |
| Kern County, CA | # 1 | 293 | 32.7 TWh |