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 Nov 2025
Annual Generation 188.0 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 | 10.6% 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 301 to 400 of 1,387
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
PardeeEast Bay Municipal Util DistValley Springs, CA118 GWhJun 1930Dec 2024 Water
UCI Facilities Management Central PlantUniversity of California IrvineIrvine, CA113 GWhJun 2007Sep 2025 Natural Gas
SEGS IXTerra-Gen Operating Co-SolarHinkley, CA112 GWhAug 1990Sep 2024 Solar
Midway Sunset CogenMidway-Sunset Cogeneration CoFellows, CA112 GWhApr 1989Aug 2025 Natural Gas
Humboldt Sawmill CompanyMendocino Forest ProductsScotia, CA110 GWhDec 1937Sep 2025 Wood/Wood Waste Solids : 99.8%
Ocotillo WellsConductive PowerBorrego Springs, CA109 GWhAug 2023Sep 2025 Solar
Rio Bravo FresnoRio Bravo FresnoFresno, CA108 GWhJun 1988Oct 2024 Wood/Wood Waste Solids : 94.7% Natural Gas : 5.3%
Salt SpringsPacific Gas & Electric Co.Pioneer, CA108 GWhMay 1931Dec 2024 Water
Kings River PHPacific Gas & Electric Co.Balch Camp, CA107 GWhFeb 1962Dec 2024 Water
TullochOakdale&South San Joaquin Irrigation D.Jamestown, CA104 GWhMay 1958Dec 2024 Water
Elevation Solar CAES Distributed EnergyLancaster, CA103 GWhNov 2016Sep 2025 Solar
Mammoth G3Ormat Nevada IncMammoth Lakes, CA103 GWhNov 1990Dec 2024 Geothermal
Edwards Sanborn S1Terra-Gen Operating Co-HybridMojave, CA100 GWhFeb 2022Sep 2025 Solar
Baldy Mesa 2_Silver Peak HybridAES Clean EnergyAdelanto, CA98 GWhNov 2024Sep 2025 Solar
85 BWind Wall 1 LLCTehachapi, CA98 GWhDec 1984Dec 2024 Wind
Cabazon Wind PartnersShell Wind Energy Inc.Cabazon, CA97 GWhSep 2002Dec 2024 Wind
Sierra Pacific Burney FacilitySierra Pacific IndustriesBurney, CA96 GWhSep 1986Dec 2024 Wood/Wood Waste Solids
Bucks CreekPacific Gas & Electric Co.Storrie, CA96 GWhFeb 1928Mar 2024 Water
CM48Consolidated Edison Development Inc.Boulder City, NV94 GWhMay 2010Dec 2024 Solar
Sierra Pacific Lincoln FacilitySierra Pacific IndustriesLincoln, CA94 GWhFeb 2004Dec 2024 Wood/Wood Waste Solids
Five Points Solar ParkBoralex US Operations LLCFive Points, CA93 GWhAug 2016Dec 2024 Solar
Southeast Resource RecoverySERRF Joint Powers AuthorityLong Beach, CA90 GWhJun 1988Mar 2024 Non-biogenic Municipal Solid Waste : 51.7% Biogenic Municipal Solid Waste : 42.3% Natural Gas : 6.1%
Buena Vista Energy LLCLeeward Asset Management, LLCByron, CA90 GWhNov 2006Dec 2024 Wind
West Point PHPacific Gas & Electric Co.Pioneer, CA89 GWhOct 1948Jun 2024 Water
Edwards Sanborn S4Terra-Gen Operating Co-HybridMojave, CA88 GWhOct 2022Sep 2025 Solar
Sand Bar Power PlantTri-Dam Power AuthorityStanislaus Ntl. Fores, CA85 GWhApr 1986Dec 2024 Water
FPL Energy Montezuma Winds LLCFPL Energy Montezuma WindBirds Landing, CA85 GWhOct 2010Dec 2024 Wind
Alpaugh 50Consolidated Edison Development Inc.Alpaugh, CA85 GWhNov 2012Dec 2024 Solar
J S EastwoodSouthern California Edison CoShaver Lake, CA84 GWhNov 1987Sep 2025 Water
SJ/SC WPCPSan Jose/Santa Clara Water P CSan Jose, CA84 GWhJan 1953Sep 2025 Natural Gas : 51.6% Other Biomass Gas : 48.3%
Edwards Sanborn S3Terra-Gen Operating Co-HybridMojave, CA83 GWhFeb 2022Sep 2025 Solar
Torrance Refining Company, LLCTorrance Refining Company, LLCTorrance, CA83 GWhAug 1983Sep 2025 Other Gas : 74.7% Waste Heat : 25.3%
Mammoth G2Ormat Nevada IncMammoth Lakes, CA82 GWhNov 1990Dec 2024 Geothermal
Muck Valley HydroelectricBrookfield Renewable Trading and Marketing LPNA, CA82 GWhNov 1988Dec 2024 Water
Ameresco Ox MountainAMERESCO Ox Mountain Energy LLCHalf Moon Bay, CA81 GWhNov 2008Sep 2025 Landfill Gas
Aidlin Geothermal Power PlantGeysers Power Co LLCMiddletown, CA81 GWhApr 1989Dec 2024 Geothermal
Voyager Wind IVTerra-Gen Operating Co-WindMojave, CA81 GWhNov 2018Dec 2024 Wind
El DoradoEl Dorado Irrigation DistrictPollock Pines, CA81 GWhDec 1923Dec 2024 Water
Narrows PHYuba County Water AgencyGrass Valley, CA81 GWhNov 1942Dec 2024 Water
Lost Hills/BlackwellSouthern Power CoLost Hills, CA81 GWhMar 2015Dec 2024 Solar
Camino Solar HybridAvangrid Power LLCRosamond, CA80 GWh-Sep 2025 Solar
Glass House Camarillo CultivationGlass House Camarillo CultivationCamarillo, CA78 GWhJul 2012Dec 2024 Natural Gas
Mountain View IIIAvangrid Power LLCNorth Palm Springs, CA76 GWhNov 2003Dec 2024 Wind
Berry NMW CogensBerry Petroleum CoBakersfield, CA75 GWhOct 2017Dec 2024 Natural Gas
Mojave 16/17/18Terra-Gen Operating Co-WindMojave, CA74 GWhNov 1989Dec 2024 Wind
El Segundo Energy Center LLCNRG Energy Services LLCEl Segundo, CA73 GWhJun 2013Sep 2025 Natural Gas
Riverside Energy Resource CenterCity of Riverside - (CA)Riverside, CA72 GWhMay 2006Dec 2024 Natural Gas
Little Bear Solar 1, LLCLittle Bear Solar 1, LLC (Longroad)Mendota, CA72 GWhNov 2020Sep 2025 Solar
CP Kelco San Diego PlantCP Kelco US Inc.San Diego, CA71 GWhSep 1983Sep 2025 Natural Gas
85 AWind Wall 1 LLCTehachapi, CA71 GWhDec 1984Dec 2024 Wind
Central 40Central 40, LLCNewman, CA71 GWhJan 2021Sep 2025 Solar
MCAGCC Cogen PlantDOD USMC Marine Air Ground CombatTwentynine Palms, CA69 GWhJan 2003Dec 2024 Natural Gas
Luna ValleyLuna Valley Solar I, LLCMendota, CA68 GWh-Sep 2025 Solar
Parnassus Central Utility PlantUniversity of California-San FranciscoSan Francisco, CA68 GWhDec 1995Sep 2025 Natural Gas
Chevron - Lost Hills HybridMN8 Energy LLCLost Hills, CA67 GWhMar 2020Sep 2025 Solar
McKittrick CogenChevron USA IncMcKittrick, CA67 GWhMay 2012Dec 2024 Natural Gas
AM Wind Repower LLCBrookfield Renewable Trading and Marketing LPWhitewater, CA67 GWh-Sep 2025 Wind
Kelly RidgeSouth Feather Water and Power AgencyOroville, CA67 GWhAug 1963Dec 2024 Water
Pio Pico Energy CenterPio Pico Energy Center LLCSan Diego, CA66 GWhOct 2016Dec 2024 Natural Gas
Forks of Butte Hydro ProjectHypower Energy, LLCMagalia, CA66 GWhFeb 1992Dec 2024 Water
Walnut Creek Energy ParkWalnut Creek LLCIndustry, CA63 GWhMar 2013Sep 2025 Natural Gas
Loma Linda University CogenLoma Linda UniversityLoma Linda, CA63 GWhJan 1980Sep 2025 Natural Gas
Solar Borrego INRG Solar Borrego IBorrego Springs, CA62 GWhJan 2013Dec 2024 Solar
Covanta Stanislaus EnergyCovanta Stanislaus IncCrows Landing, CA62 GWhAug 1988Dec 2024 Non-biogenic Municipal Solid Waste : 50.0% Biogenic Municipal Solid Waste : 40.9% Distillate Fuel Oil : 9.1%
San Gorgonio Farms Wind FarmSan Gorgonio Farms IncWhitewater, CA61 GWhFeb 1983Dec 2024 Wind
Friant Hydro FacilityFriant Power AuthorityFriant, CA60 GWhMar 1985Dec 2024 Water
Chicago ParkNevada Irrigation DistrictColfax, CA60 GWhOct 1965Dec 2024 Water
Mammoth G1Ormat Nevada IncMammoth lakes, CA60 GWhNov 1984Dec 2024 Geothermal
Plant No 2 Orange CountyOrange County Sanitation DistHuntington Beach, CA59 GWhMay 1993Dec 2024 Other Biomass Gas : 73.7% Natural Gas : 26.0%
Cymric 36W CogenChevron USA IncMcKittrick, CA59 GWhSep 1982Dec 2024 Natural Gas
Rising Tree Wind Farm IIRising Tree Wind Farm II LLCMojave, CA59 GWhDec 2014Dec 2024 Wind
Potrero Hills Energy ProducersPotrero Hills Energy Producers, LLCSuisun City, CA59 GWhMar 2016Dec 2024 Landfill Gas
RE Garland ASouthern Power CoRosamond, CA58 GWhAug 2016Dec 2024 Solar
Sunray 2Sunray Energy 2, LLCDaggett, CA58 GWhNov 1984Dec 2024 Solar
Antelope DSR 3AES Distributed EnergyLancaster, CA58 GWhAug 2019Dec 2024 Solar
Cuyama Solar, LLCCuyama Solar, LLCCuyama, CA58 GWhOct 2017Sep 2025 Solar
Oasis AltaTerra-Gen Operating Co-WindMojave, CA57 GWhMar 2021Dec 2024 Wind
TA-High Desert LLCTA-High Desert LLCLancaster, CA57 GWhFeb 2013Dec 2024 Solar
AlamoCalifornia Dept. of Water ResourcesPearblossom, CA56 GWhJun 1986Dec 2024 Water
Kingbird B Solar, LLCArevon Energy, Inc.Rosamond, CA56 GWhMar 2016Dec 2024 Solar
Edwards Sanborn E3Terra-Gen Operating Co-HybridMojave, CA56 GWhNov 2021Sep 2025 Solar
BeardsleyOakdale&South San Joaquin Irrigation D.None, CA56 GWhApr 1957Dec 2024 Water
Oak Creek Energy Systems ITerra-Gen Operating Co-WindMojave, CA54 GWhMay 1982Dec 2024 Wind
Antelope Big Sky RanchAES Distributed EnergyLancaster, CA54 GWhJul 2016Dec 2024 Solar
SEPV Mojave WestAES Distributed EnergyMojave, CA54 GWhMay 2016Dec 2024 Solar
Adelanto Solar, LLCAdelanto Solar, LLCAdelanto, CA53 GWhAug 2015Dec 2024 Solar
Catalina Solar 2, LLCOnward EnergyRosamond, CA53 GWhJul 2015Dec 2024 Solar
Gaskell West 1 Solar FacilitySouthern Power CoLancaster, CA53 GWhFeb 2018Dec 2024 Solar
San Diego State UniversitySan Diego State UniversitySan Diego, CA52 GWhAug 2002Sep 2025 Natural Gas : 97.6% Solar : 2.4%
Rio Bravo Solar 1 LLCDuke Energy Renewables ServicesMcKittrick, CA52 GWhNov 2016Dec 2024 Solar
RE Rosamond One LLCMN8 Energy LLCRosamond, CA52 GWhDec 2013Dec 2024 Solar
CED Ducor 2Consolidated Edison Development Inc.Ducor, CA52 GWhNov 2016Dec 2024 Solar
TA-Acacia, LLCOnward EnergyLancaster, CA52 GWhOct 2014Dec 2024 Solar
CED Ducor 1Consolidated Edison Development Inc.Ducor, CA52 GWhNov 2016Dec 2024 Solar
CED Ducor 4Consolidated Edison Development Inc.Ducor, CA52 GWhNov 2016Dec 2024 Solar
Cascade SolarCascade Solar LLCJoshua Tree, CA51 GWhDec 2013Dec 2024 Solar
Solar Oasis LLCSolar Oasis, LLCPalmdale, CA51 GWhDec 2015Dec 2024 Solar
Vega SolarVega Solar, LLCLos Banos, CA51 GWhFeb 2015Dec 2024 Solar
French MeadowsPlacer County Water AgencyForesthill, CA51 GWhSep 1966Dec 2024 Water
Rio Bravo Solar II LLCDuke Energy Renewables ServicesMcKittrick, CA51 GWhNov 2016Dec 2024 Solar

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#4Electric Reliability Council of Texas, Inc.485.0 TWh1,313
#5Southwest Power Pool299.9 TWh835
#6Southern Company Services, Inc. - Trans250.9 TWh417
#7California Independent System Operator188.0 TWh2,075
#9Tennessee Valley Authority161.6 TWh204
#10Florida Power & Light Co.148.9 TWh187
#12New York Independent System Operator131.6 TWh1,211
#13Duke Energy Carolinas112.5 TWh565
#15ISO New England105.5 TWh1,577
#16Bonneville Power Administration80.5 TWh163