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 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 601 to 700 of 1,387
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Voyager Wind ITerra-Gen Operating Co-WindMojave, CA413 GWhNov 2019Sep 2025 Wind
Edwards Sanborn E1BTerra-Gen Operating Co-HybridMojave, CA355 GWhOct 2022Sep 2025 Solar
Edwards Sanborn E4Terra-Gen Operating Co-HybridMojave, CA316 GWhNov 2022Sep 2025 Solar
Edwards Sanborn E5Terra-Gen Operating Co-HybridMojave, CA155 GWhNov 2022Sep 2025 Solar
Edwards Sanborn S4Terra-Gen Operating Co-HybridMojave, CA88 GWhOct 2022Sep 2025 Solar
Oasis AltaTerra-Gen Operating Co-WindMojave, CA57 GWhMar 2021Dec 2024 Wind
Edwards Sanborn S1Terra-Gen Operating Co-HybridMojave, CA100 GWhFeb 2022Sep 2025 Solar
Voyager Wind IITerra-Gen Operating Co-WindMojave, CA506 GWhNov 2018Sep 2025 Wind
Voyager Wind IIITerra-Gen Operating Co-WindMojave, CA141 GWhNov 2018Sep 2025 Wind
Voyager Wind IVTerra-Gen Operating Co-WindMojave, CA81 GWhNov 2018Dec 2024 Wind
Axium Modesto SolarAxium US Solar Holdings LLCModesto, CA47 GWhNov 2012Dec 2024 Solar
MoccasinCity & County of San FranciscoMoccasin, CA280 GWhJul 1969Sep 2025 Water
Moccasin Low Head Hydro ProjectCity & County of San FranciscoMoccasin, CA4 MWhJun 1987Nov 2024 Water
Mira LomaCostco WholesaleMira Loma, CA2 GWhOct 2011Dec 2024 Solar
FLEX GibraltarBloom EnergyMilpitas, CA9 GWhJan 2017Dec 2024 Natural Gas
CST001 McCarthy Fuel Cell2016 ESA Project Company, LLCMilpitas, CA9 GWhDec 2018Dec 2024 Natural Gas
Mill Creek 3Southern California Edison CoMill Creek, CA11 GWhFeb 1903Dec 2024 Water
Aidlin Geothermal Power PlantGeysers Power Co LLCMiddletown, CA81 GWhApr 1989Dec 2024 Geothermal
Geothermal 2Northern California Power AgnyMiddletown, CA317 GWhNov 1985Sep 2025 Geothermal
Calistoga Power PlantGeysers Power Co LLCMiddletown, CA456 GWhFeb 1984Sep 2025 Geothermal
Geothermal 1Northern California Power AgnyMiddletown, CA369 GWhDec 1982Sep 2025 Geothermal
Sonoma California GeothermalGeysers Power Co LLCMiddletown, CA448 GWhNov 1983Dec 2024 Geothermal
Geysers Unit 5-20Geysers Power Co LLCMiddletown, CA4 TWhMar 1971Sep 2025 Geothermal
Sandrini Solar 200EDPR CA Solar Park LLCMettler, CA383 GWhNov 2024Sep 2025 Solar
Sandrini Solar 100EDPR CA Solar Park II LLCMettler, CA218 GWhNov 2024Sep 2025 Solar
UC Merced Solar HybridMN8 Energy LLCMerced, CA7 GWhNov 2018Dec 2024 Solar
Five H Farms Solar ArrayMaas Energy WorksMerced, CA1 GWhMar 2021Jun 2024 Solar
Broadway 3 - UC Merced 1MN8 Energy LLCMerced, CA901 MWhSep 2009Dec 2024 Solar
Mission Solar LLCEcos Energy LLCMerced, CA4 GWhNov 2014Dec 2024 Solar
2097 Helton Solar ProjectSolarenewal LLCMerced, CA2 GWhMar 2014Dec 2024 Solar
Merced Solar LLCEcos Energy LLCMerced, CA4 GWhNov 2014Dec 2024 Solar
SRI International Cogen ProjectIPT SRI Cogeneration IncMenlo Park, CA23 GWhMar 1987Sep 2025 Natural Gas
EMWD - Sun City RWRFSkyHigh 2 SolarMenifee, CA4 GWhJun 2021Dec 2024 Solar
Luna ValleyLuna Valley Solar I, LLCMendota, CA68 GWh-Sep 2025 Solar
Little Bear 3Little Bear Solar 3, LLC (Longroad)Mendota, CA26 GWhNov 2020Dec 2024 Solar
Little Bear 4Little Bear Solar 4, LLC (Longroad)Mendota, CA44 GWhNov 2020Sep 2025 Solar
Little Bear 5Little Bear Solar 5, LLC (Longroad)Mendota, CA122 GWhNov 2020Sep 2025 Solar
Citizen BAES Distributed EnergyMendota, CA4 GWhNov 2015Dec 2024 Solar
Little Bear Solar 1, LLCLittle Bear Solar 1, LLC (Longroad)Mendota, CA72 GWhNov 2020Sep 2025 Solar
North Star SolarSouthern Power CoMendota, CA132 GWhMay 2015Dec 2024 Solar
CalRenew-1CalRenew-1 LLCMendota, CA1 GWhMar 2010Dec 2024 Solar
South Belridge Cogeneration FacilityAERA Energy LLCMcKittrick, CA467 GWhNov 1985Sep 2025 Natural Gas
Pumpjack Solar IDuke Energy Renewables ServicesMcKittrick, CA46 GWhDec 2014Dec 2024 Solar
Rio Bravo Solar 1 LLCDuke Energy Renewables ServicesMcKittrick, CA52 GWhNov 2016Dec 2024 Solar
Rio Bravo Solar II LLCDuke Energy Renewables ServicesMcKittrick, CA51 GWhNov 2016Dec 2024 Solar
McKittrick CogenChevron USA IncMcKittrick, CA67 GWhMay 2012Dec 2024 Natural Gas
Cymric 31X CogenChevron USA IncMcKittrick, CA20 GWhSep 1988Dec 2024 Natural Gas
Welport Lease ProjectSentinel Peak Resources California, LLCMcKittrick, CA35 GWhFeb 1990Dec 2024 Natural Gas
Cymric 6Z CogenChevron USA IncMcKittrick, CA33 GWhJun 1986Dec 2024 Natural Gas
Cymric 36W CogenChevron USA IncMcKittrick, CA59 GWhSep 1982Dec 2024 Natural Gas
La Paloma Generating PlantCXA La Paloma LLCMcKittrick, CA2 TWhDec 2002Sep 2025 Natural Gas
Colusa Generating StationPacific Gas & Electric Co.Maxwell, CA3 TWhNov 2010Sep 2025 Natural Gas
Marathon Bay Area CogenTesoro Marketing & Refining Co. LLC (Martinez)Martinez, CA613 GWhJan 1987Sep 2025 Natural Gas
CCCSD Wastewater Treatment PlntCentral Contra Costa Sanitary DistrictMartinez, CA17 GWhNov 1995Sep 2025 Natural Gas
Martinez Sulfuric Acid Regeneration PltEco Services Corp.Martinez, CA17 GWhDec 1977Dec 2024 Waste Heat
Martinez RefiningMartinez Refining CoMartinez, CA790 GWhOct 1995Sep 2025 Natural Gas : 96.4% Other Gas : 3.6%
Monterey Regional Water Pollution ControTesla Inc.Marina, CA1 GWhNov 2010Dec 2024 Solar
Monterey One WaterMonterey One WaterMarina, CA7 GWhJul 1988Dec 2024 Other Biomass Gas : 74.6% Natural Gas : 25.4%
Marina Landfill GasMonterey Regional Waste MgmtMarina, CA23 GWhMar 1998Dec 2024 Landfill Gas
Berry Cogen Tanne Hills 18Berry Petroleum CoMaricopa, CA139 GWhNov 1986Sep 2025 Natural Gas
Ponderosa Bailey CreekSnow Mountain Hydro LLCManton, CA3 GWhFeb 1990Dec 2024 Water
Volta 2Pacific Gas & Electric Co.Manton, CA3 GWhOct 1981Dec 2024 Water
SouthPacific Gas & Electric Co.Manton, CA13 GWhNov 1979Dec 2024 Water
Ameresco ForwardAmeresco Forward, LLCManteca, CA32 GWhJan 2014Dec 2024 Landfill Gas
Manteca Land PVAES Distributed EnergyManteca, CA2 GWhNov 2017Dec 2024 Solar
CA Manteca 730 Spreckels AveCatalyze Manteca 730 Spreckels Avenue Microgrid LLCManteca, CA323 MWhAug 2024Dec 2024 Solar
CD4CD4Mammoth Lakes, CA277 GWhJun 2022Dec 2024 Geothermal
Mammoth G1Ormat Nevada IncMammoth lakes, CA60 GWhNov 1984Dec 2024 Geothermal
Mammoth G3Ormat Nevada IncMammoth Lakes, CA103 GWhNov 1990Dec 2024 Geothermal
Mammoth G2Ormat Nevada IncMammoth Lakes, CA82 GWhNov 1990Dec 2024 Geothermal
De SablaPacific Gas & Electric Co.Magalia, CA23 GWhJan 1963Dec 2024 Water
ToadtownPacific Gas & Electric Co.Magalia, CA2 GWhMar 1986Oct 2024 Water
Forks of Butte Hydro ProjectHypower Energy, LLCMagalia, CA66 GWhFeb 1992Dec 2024 Water
Foundation Cemex MadisonFoundation CA Fund V Manager, LLCMadison, CA2 GWhJul 2012Dec 2024 Wind
Site 980 65Madera-Chowchilla Power AuthMadera, CA5 GWhJan 1985Jul 2024 Water
City of Madera WWTPSunE GIL1, LLCMadera, CA1 GWhAug 2009Dec 2024 Solar
Madera Community HospitalCleanCapital HoldingsMadera, CA72 MWhSep 2011Dec 2024 Solar
Madera 1 PVZGlobal IncMadera, CA4 GWhNov 2017Dec 2024 Solar
Sealed Air Madera Solar ProjectSealed Air CorporationMadera, CA6 GWhApr 2022Dec 2024 Solar
Pacific Ethanol Madera Solar ArraySeaboard Energy California, LLCMadera, CA2 GWhJul 2018Dec 2024 Solar
Borden Solar Farm41MB 8me, LLCMadera, CA121 GWhMay 2020Sep 2025 Solar
Costa View Farms127 CVF, LLCMadera, CA5 GWhMay 2024Dec 2024 Solar
CA - Madera USD - Madera South HSForefront Power, LLCMadera, CA2 GWhAug 2023Dec 2024 Solar
Lone Valley Solar Park I LLCLone Valley Solar Park I LLCLucerne Valley, CA24 GWhNov 2014Dec 2024 Solar
Lone Valley Solar Park II LLCLone Valley Solar Park II LLCLucerne Valley, CA50 GWhNov 2014Dec 2024 Solar
Lost Hills Cogeneration PlantAERA Energy LLCLost Hills, CA9 GWhSep 1985Dec 2024 Natural Gas
Roll Lost HillsBloom EnergyLost Hills, CA6 GWhNov 2012Dec 2023 Natural Gas
Lost Hills/BlackwellSouthern Power CoLost Hills, CA81 GWhMar 2015Dec 2024 Solar
Nickel 1 Solar FacilityAltus Power America Management, LLCLost Hills, CA2 GWhOct 2012Dec 2024 Solar
Cottonwood Solar, LLC (Goose Lake)Onward EnergyLost Hills, CA32 GWhApr 2015Dec 2024 Solar
Chevron - Lost Hills HybridMN8 Energy LLCLost Hills, CA67 GWhMar 2020Sep 2025 Solar
Wonderful Huller & ShellingWonderful Renewable Energy, LLC.Lost Hills, CA3 GWhJul 2021Dec 2024 Solar
Wonderful Lost HillsWonderful Renewable Energy, LLC.Lost Hills, CA48 GWhAug 2021Dec 2024 Solar
Coronal Lost HillsArevon Energy, Inc.Lost Hills, CA37 GWhApr 2015Dec 2024 Solar
Blackwell Solar ParkConsolidated Edison Development Inc.Lost Hills, CA31 GWhDec 2018Dec 2024 Solar
Wonderful KingsWonderful Renewable Energy, LLC.Lost Hills, CA8 GWhJul 2022Dec 2024 Solar
Morelos del SolSouthern Power CoLost Hills, CA30 GWhOct 2015Dec 2024 Solar
Berrenda Mesa Water DistrictThe Greater Light USA LLCLost Hills, CA16 GWhJun 2023Dec 2024 Solar
Wonderful Orchards - WestsideWonderful Renewable Energy, LLC.Lost Hills, CA13 GWhJul 2021Dec 2024 Solar
Lost Hills OilfieldDistributed Solar Development, LLCLost Hills, CA4 GWhJun 2021Dec 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 California14.7 TWh87
#47Imperial Irrigation District6.3 TWh66
#29Los Angeles Department of Water and Power18.9 TWh124
#22Nevada Power Company37.2 TWh139
#60New Harquahala Generating Company, LLC764.0 GWh1
#19Salt River Project Agricultural Improvement and Power District60.0 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.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