2. Balancing Authorities
  3. California Independent System Operator

California Independent System Operator

Balancing Authority Summary Information

California Independent System Operator is ranked #7 out of 65 balancing authorities in terms of total annual electricity generation.

Balancing AuthorityCalifornia Independent System Operator
States Arizona California Nevada
Last Update Dec 2025
Annual Generation 188.2 TWh
Power Plants2,075
Utilities965
Ranked #7 out of 65 in terms of net annual generation
Ranked #7 out of 53 in terms of annual generation from natural gas
Power Plant Types Natural Gas | 43.1% Solar | 26.4% Water | 11.1% Wind | 10.7% Nuclear | 9.4%

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Daily Net Generation for California Independent System Operator for the past 3 Years

List of All California Independent System Operator Power Plants

Displaying Results 801 to 900 of 1,387
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
H. GonzalesCity of VernonVernon, CA178 MWhDec 1986Dec 2024 Natural Gas
Guernsey Solar StationPacific Gas & Electric Co.Hanford, CA23 GWhJul 2013Dec 2024 Solar
Guadalupe Solar FarmCounty of Santa Clara (CA)San Jose, CA2 GWhAug 2018Dec 2024 Solar
Grossmont HS Solar ProjectMN8 Energy LLCEl Cajon, CA2 GWhNov 2018Dec 2024 Solar
Grossmont HospitalSharp Grossmont HospitalLa Mesa, CA25 GWhJul 1983Dec 2024 Natural Gas
Grossmont-Cuyamaca-Cuyamaca Col. Solar &Forefront Power, LLCEl Cajon, CA3 GWhFeb 2024Dec 2024 Solar
Grossmont CollegeForefront Power, LLCEl Cajon, CA4 GWhFeb 2023Dec 2024 Solar
GrizzlyCity of Santa Clara - (CA)N/A, CA30 GWhOct 1993Dec 2024 Water
Gridley Main TwoAltus Power America Management, LLCGridley, CA3 GWhMar 2013Dec 2024 Solar
Gridley MainAltus Power America Management, LLCGridley, CA2 GWhFeb 2013Dec 2024 Solar
Greenleaf 2 Power PlantGreenleaf Energy LLCYuba City, CA13 GWhSep 1989Sep 2025 Natural Gas
Greenleaf 1Calpine Greenleaf Holding, Inc.Yuba City, CA4 GWhJan 1989Dec 2024 Natural Gas
Green Beanworks D PVAES Distributed EnergyPalmdale, CA4 GWhJul 2018Dec 2024 Solar
Green Beanworks C PVAES Distributed EnergyPalmdale, CA5 GWhJul 2018Dec 2024 Solar
Green Beanworks B PVAES Distributed EnergyLancaster, CA7 GWhNov 2018Dec 2024 Solar
Great Valley Solar Portfolio Holdings, LConsolidated Edison Development Inc.Cantua Creek, CA522 GWhNov 2017Sep 2025 Solar
Grassland 1&2 Solar ProjectYolo County ofDavis, CA2 GWhJun 2013Jun 2024 Solar
Grapeland HybridSouthern California Edison CoRancho Cucamonga, CA4 GWhAug 2007Dec 2024 Natural Gas
Graniterock QuarryCalCom EnergyAromas, CA9 GWhAug 2022Dec 2024 Solar
Government Plaza SolarSoCore Energy LLCVisalia, CA2 GWhOct 2020Dec 2024 Solar
Gosselin Hydro PlantHumboldt Bay Mun Water DistRuth, CA6 GWhMay 1983Dec 2024 Water
Goose Haven Energy CenterGoose Haven Energy CenterSuisun, CA13 GWhDec 2002Dec 2024 Natural Gas
Google Moffett Park Solar ProjectGoogle, Inc.Sunnyvale, CA3 GWhFeb 2021Dec 2024 Solar
Google Bayhill Solar PV and MicrogridGoogle, Inc.San Bruno, CA1 GWhMar 2024Dec 2024 Solar
Golden Springs Building DGolden Springs Development Company LLCSanta Fe Springs, CA651 MWhFeb 2012Dec 2024 Solar
Golden Springs Building C-1Golden Springs Development Company LLCSanta Fe Springs, CA1 GWhJan 2012Dec 2024 Solar
Golden Hills WindGolden Hills Wind, LLCLivermore, CA247 GWhNov 2015Dec 2024 Wind
Golden Hills North Wind Energy CenterGolden Hills Interconnection Wind, LLCLivermore, CA149 GWhOct 2017Sep 2025 Wind
Golden Fields Solar I, LLCMN8 Energy LLCRosamond, CA139 GWhNov 2016Sep 2025 Solar
Golden Field Solar III, LLCGolden Fields Solar III, LLCRosamond, CA530 GWhNov 2020Sep 2025 Solar
Golden Acorn CasinoFoundation HA Energy Generation, LLCCampo, CA4 GWhJun 2014Sep 2025 Wind
Goal Line LPGoal Line LPEscondido, CA8 GWhJul 1994Sep 2025 Natural Gas
GlenarmCity of Pasadena - (CA)Pasadena, CA39 GWhDec 1975Dec 2024 Natural Gas
Glass House Camarillo CultivationGlass House Camarillo CultivationCamarillo, CA78 GWhJul 2012Dec 2024 Natural Gas
Gilroy Power PlantCalpine Gilroy Cogen LPGilroy, CA44 GWhSep 1987Dec 2024 Natural Gas
Gilroy Peaking Energy CenterCalpine Gilroy Cogen LPGilroy, CA23 GWhOct 2001Dec 2024 Natural Gas
Gilead Sciences La Verne Rooftop SolarGilead Sciences, Inc. - La VerneLa Verne, CA3 GWhJun 2021Dec 2024 Solar
Gilead Oceanside Solar ProjectGilead Sciences Inc.Oceanside, CA2 GWhNov 2021Dec 2024 Solar
Gilead Foster City Solar ProjectGilead Sciences Inc. Foster CityFoster City, CA2 GWhMar 2021Dec 2024 Solar
Giffen Solar ParkGiffen Solar Park, LLCCantua Creek, CA19 GWhMay 2017Dec 2024 Solar
GiffenPacific Gas & Electric Co.TBD, CA14 GWhMay 2012Dec 2024 Solar
GianeraCity of Santa Clara - (CA)Santa Clara, CA6 GWhMay 1986Dec 2024 Natural Gas
Geysers Unit 5-20Geysers Power Co LLCMiddletown, CA4 TWhMar 1971Sep 2025 Geothermal
Geothermal 2Northern California Power AgnyMiddletown, CA317 GWhNov 1985Sep 2025 Geothermal
Geothermal 1Northern California Power AgnyMiddletown, CA369 GWhDec 1982Sep 2025 Geothermal
Genesis Solar Energy ProjectGenesis Solar LLCBlythe, CA623 GWhOct 2013Sep 2025 Solar
Genentech Vacaville Meter #1Tesla Inc.Vacaville, CA11 GWhApr 2017Dec 2024 Solar
Genentech-Oceanside HybridTesla Inc.Oceanside, CA4 GWhMar 2016Dec 2024 Solar
GEN005 Antibody Fuel Cell2016 ESA Project Company, LLCOceanside, CA21 GWhMar 2019Dec 2024 Natural Gas
Gateway Generating StationPacific Gas & Electric Co.Antioch, CA3 TWhDec 2008Sep 2025 Natural Gas
Gates Solar StationPacific Gas & Electric Co.Huron, CA32 GWhMay 2013Dec 2024 Solar
Gaskell West 1 Solar FacilitySouthern Power CoLancaster, CA53 GWhFeb 2018Dec 2024 Solar
Gas Utilization FacilityCity of San DiegoSan Diego, CA31 GWhMay 1985Sep 2025 Other Biomass Gas
Garnet Wind Energy CenterTerra-Gen Operating Co-WindNorth Palm Springs, CA12 GWhMay 2009Dec 2024 Wind
Garnet Solar Generation Station I LLCGarnet Solar Generation Station I LLCPalm Springs, CA9 GWhNov 2014Dec 2024 Solar
Gap Pacific Distribution CenterMN8 Energy LLCFresno, CA5 GWhSep 2008Dec 2024 Solar
G2 Energy Ostrom Road LLCG2 Energy LLCWheatland, CA29 GWhJan 2009Dec 2024 Landfill Gas
G2 Energy Hay RdG2 Energy LLCVacaville, CA12 GWhMay 2013Dec 2024 Landfill Gas
FTF-PackingShedFamily Tree FarmsReedley, CA581 MWhMay 2013Dec 2024 Solar
FRV SI Transport Solar LPFRV SI Transport Solar, L.P. (Sacremento)Sacramento, CA1 GWhJul 2010Dec 2024 Solar
Frontier Solar LLCBoralex US Operations LLCNewman, CA39 GWhMay 2016Dec 2024 Solar
Frontier HS Solar ProjectMN8 Energy LLCBakersfield, CA2 GWhNov 2018Dec 2024 Solar
Friant Hydro FacilityFriant Power AuthorityFriant, CA60 GWhMar 1985Dec 2024 Water
Fresno Sunnyside High School HybridForefront Power, LLCFresno, CA3 GWhNov 2020Dec 2024 Solar
Fresno SolarWellhead Services, IncSan Joaquin, CA5 GWhSep 2015Dec 2024 Solar
Fresno Hoover High School HybridForefront Power, LLCFresno, CA2 GWhFeb 2020Dec 2024 Solar
Fresno Community SolarFresno Community Solar Developers, LLCFresno, CA15 GWhMay 2024Dec 2024 Solar
Fresno Cogen PartnersWellhead Services, IncSan Joaquin, CA2 GWhDec 1989Dec 2024 Natural Gas
Fresno Bullard High School HybridForefront Power, LLCFresno, CA2 GWhFeb 2020Dec 2024 Solar
French MeadowsPlacer County Water AgencyForesthill, CA51 GWhSep 1966Dec 2024 Water
Fremont - Kato RdTesla Inc.Fremont, CA2 GWhNov 2016Dec 2024 Solar
Fremont CA AutoFactoryTesla Inc.Fremont, CA480 MWhFeb 2022Dec 2024 Solar
Freeway SpringsGolden Springs Development Company LLCSanta Fe Springs, CA3 GWhSep 2016Dec 2024 Solar
Franklin Templeton San MateoBloom EnergySan Mateo, CA9 GWhOct 2011Dec 2024 Natural Gas
Frankenheimer Power PlantTurlock Irrigation DistrictOakdale, CA13 GWhFeb 1983Oct 2024 Water
FPL Energy Montezuma Winds LLCFPL Energy Montezuma WindBirds Landing, CA85 GWhOct 2010Dec 2024 Wind
Foundation Wal-Mart Red BluffFoundation CA Fund VI Manager LLCRed Bluff, CA2 GWhAug 2012Sep 2025 Wind
Foundation Superior FarmsFoundation CA Fund VI Manager LLCDixon, CA1 GWhNov 2012Sep 2025 Wind
Foundation STFoundation HA Energy Generation, LLCTracy, CA2 GWhMay 2011Dec 2024 Wind
Foundation Scheid VineyardsFoundation CA Fund VIII Manager, LLCGreenfield, CA4 GWhAug 2017Dec 2024 Wind
Foundation SaIinas Valley State PrisonFoundation CA Fund IX Manager, LLCSoledad, CA5 GWhJul 2018Dec 2024 Wind
Foundation RRMFoundation CA Fund V Manager, LLCCabazon, CA9 GWhNov 2012Dec 2024 Wind
Foundation NWNAFoundation CA Fund V Manager, LLCCabazon, CA18 GWhNov 2012Dec 2024 Wind
Foundation Mann PackingFoundation CA Fund IX Manager, LLCGonzales, CA6 GWhMar 2019Dec 2024 Wind
Foundation IEFoundation HA Energy Generation, LLCRancho Cucamonga, CA373 MWhNov 2011Dec 2024 Wind
Foundation Dole Fresh VegetablesFoundation CA Fund X Manager LLCSoledad, CA17 GWhJul 2022Dec 2024 Wind
Foundation Cemex River PlantFoundation CA Fund VI Manager LLCVictorville, CA3 GWhNov 2012Dec 2024 Wind
Foundation Cemex MadisonFoundation CA Fund V Manager, LLCMadison, CA2 GWhJul 2012Dec 2024 Wind
Foundation Cemex BMQFoundation CA Fund VI Manager LLCApple Valley, CA3 GWhNov 2012Dec 2024 Wind
Foundation CDCR LACFoundation CA Fund VIII Manager, LLCLancaster, CA5 GWhNov 2017Dec 2024 Wind
Foundation California Training FacilityFoundation CA Fund IX Manager, LLCSoledad, CA5 GWhJul 2018Dec 2024 Wind
Foundation ABFoundation HA Energy Generation, LLCFairfield, CA2 GWhOct 2011Dec 2024 Wind
Forks of Butte Hydro ProjectHypower Energy, LLCMagalia, CA66 GWhFeb 1992Dec 2024 Water
ForbestownSouth Feather Water and Power AgencyForbestown, CA129 GWhSep 1963Dec 2024 Water
Foothill FeederMetropolitan Water District of S CACastaic, CA20 GWhMar 1981Dec 2023 Water
FontanaSouthern California Edison CoRialto, CA9 GWhNov 1917Dec 2024 Water
FLEX GibraltarBloom EnergyMilpitas, CA9 GWhJan 2017Dec 2024 Natural Gas
Five Points Solar StationPacific Gas & Electric Co.Five Points, CA15 GWhAug 2011Dec 2024 Solar
Five Points Solar ParkBoralex US Operations LLCFive Points, CA93 GWhAug 2016Dec 2024 Solar
Five H Farms Solar ArrayMaas Energy WorksMerced, CA1 GWhMar 2021Jun 2024 Solar

Surrounding Balancing Authorities

RankBalancing AuthorityAnnual Net Generation# Power Plants
#26Arizona Public Service Company23.9 TWh92
#54Arlington Valley, LLC3.4 TWh1
#36Balancing Authority of Northern California14.8 TWh87
#47Imperial Irrigation District6.4 TWh66
#29Los Angeles Department of Water and Power18.9 TWh124
#22Nevada Power Company37.2 TWh139
#60New Harquahala Generating Company, LLC715.1 GWh1
#19Salt River Project Agricultural Improvement and Power District59.9 TWh48
#56Turlock Irrigation District2.1 TWh11
#39Western Area Power Administration - Desert Southwest Region9.8 TWh33

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#4Electric Reliability Council of Texas, Inc.484.6 TWh1,313
#5Southwest Power Pool300.4 TWh835
#6Southern Company Services, Inc. - Trans251.0 TWh417
#7California Independent System Operator188.2 TWh2,075
#9Tennessee Valley Authority161.7 TWh204
#10Florida Power & Light Co.149.1 TWh187
#12New York Independent System Operator131.9 TWh1,211
#13Duke Energy Carolinas112.3 TWh565
#15ISO New England105.8 TWh1,577
#16Bonneville Power Administration80.6 TWh163