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 Jan 2026
Annual Generation 184.8 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 | 41.7% Solar | 26.8% Water | 11.8% Wind | 10.6% Nuclear | 9.5%

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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 501 to 600 of 1,388
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Bear Mountain LimitedWCAC Operating CompanyBakersfield, CA34 GWhMar 1995Oct 2025 Natural Gas
Red MountainMetropolitan Water District of S CAFallbrook, CA34 GWhMay 1985Oct 2024 Water
Kern Oil & Refining CoKern Oil & Refining CoBakersfield, CA34 GWhSep 2002Oct 2025 Natural Gas
Westlands Solar PV FarmBoralex US Operations LLCHuron, CA34 GWhJan 2014Dec 2024 Solar
Sun City Project LLCAvenal Solar Holdings LLCAvenal, CA34 GWhJul 2011Dec 2024 Solar
Saint Agnes Medical CenterSaint Agnes Medical CenterFresno, CA33 GWhApr 2001Oct 2025 Natural Gas
Central Antelope Dry Ranch CAES Distributed EnergyLancaster, CA33 GWhApr 2016Dec 2024 Solar
Cymric 6Z CogenChevron USA IncMcKittrick, CA33 GWhJun 1986Dec 2024 Natural Gas
Atwell IslandSPS Atwell Island LLCAlpaugh, CA33 GWhFeb 2013Dec 2024 Solar
Victory Garden (Tehachapi)Wind Stream Operations LLCTehachapi, CA33 GWhNov 1981Dec 2024 Wind
B Braun MedicalB Braun Medical IncIrvine, CA33 GWhOct 1982Dec 2024 Natural Gas
Chili BarSacramento Municipal Util DistPlacerville, CA33 GWhFeb 1965Dec 2024 Water
SEPV 8Duke Energy Renewables ServicesTwentynine Palms, CA33 GWhMay 2013Dec 2024 Solar
Ameresco Vasco RoadAmeresco Vasco Road, LLCLivermore, CA32 GWhFeb 2013Dec 2024 Landfill Gas
C&H Sugar PlantC&H Sugar Company IncCrockett, CA32 GWhSep 1957Oct 2025 Purchased Steam
McSwainMerced Irrigation DistrictSnelling, CA32 GWhJun 1967Dec 2024 Water
Ameresco ForwardAmeresco Forward, LLCManteca, CA32 GWhJan 2014Dec 2024 Landfill Gas
Gates Solar StationPacific Gas & Electric Co.Huron, CA32 GWhMay 2013Dec 2024 Solar
Antelope Expansion 3AAES Distributed EnergyLancaster, CA32 GWhMay 2021Dec 2024 Solar
CamancheEast Bay Municipal Util DistClements & Wallace, CA32 GWhJun 1983Dec 2024 Water
Cottonwood Solar, LLC (Goose Lake)Onward EnergyLost Hills, CA32 GWhApr 2015Dec 2024 Solar
WisePacific Gas & Electric Co.Auburn, CA31 GWhFeb 1917Oct 2024 Water
King City Power PlantCalpine King City Cogen LLCKing City, CA31 GWhJan 1989Sep 2025 Natural Gas
Alpaugh NorthConsolidated Edison Development Inc.Alpaugh, CA31 GWhNov 2012Dec 2024 Solar
Blackwell Solar ParkConsolidated Edison Development Inc.Lost Hills, CA31 GWhDec 2018Dec 2024 Solar
Cantua Solar StationPacific Gas & Electric Co.TBD, CA31 GWhMay 2012Dec 2024 Solar
MM West CovinaMM West Covina Energy LLCWest Covina, CA31 GWhMay 1993Dec 2024 Landfill Gas : 99.8%
Sly CreekSouth Feather Water and Power AgencyForbestown, CA31 GWhJun 1983Dec 2024 Water
Equinix Great Oaks Blvd. Fuel Cell2016 ESA Project Company, LLCSan Jose, CA31 GWhNov 2017Dec 2024 Natural Gas
Gas Utilization FacilityCity of San DiegoSan Diego, CA31 GWhMay 1985Oct 2025 Other Biomass Gas
Ameresco San JoaquinAmeresco San Joaquin, LLCLinden, CA31 GWhMar 2014Dec 2024 Landfill Gas
EQX015 Great Oaks Fuel Cell2016 ESA Project Company, LLCSan Jose, CA31 GWhDec 2017Dec 2024 Natural Gas
P PlantQualcomm IncorporatedSan Diego, CA30 GWhFeb 2007Jul 2024 Natural Gas
Morelos del SolSouthern Power CoLost Hills, CA30 GWhOct 2015Dec 2024 Solar
Spring GapPacific Gas & Electric Co.Long Barn, CA30 GWhAug 1921Nov 2024 Water
Apple Campus 2 Fuel CellApple, IncCupertino, CA30 GWhMay 2017Dec 2024 Landfill Gas
GrizzlyCity of Santa Clara - (CA)N/A, CA30 GWhOct 1993Dec 2024 Water
Lincoln LandfillEnergy 2001 IncLincoln, CA29 GWhOct 2004Dec 2024 Landfill Gas
Elk Hills CogenCalifornia Resources Elk Hills LLCTupman, CA29 GWhOct 1994Oct 2025 Natural Gas
Illumina Way SDBloom EnergySan Diego, CA29 GWhAug 2019Dec 2024 Natural Gas
Oxbow (CA)Placer County Water AgencyForesthill, CA29 GWhSep 1966Sep 2024 Water
Carson CogenerationCarson Cogeneration CoCarson, CA29 GWhNov 1989Aug 2024 Natural Gas
G2 Energy Ostrom Road LLCG2 Energy LLCWheatland, CA29 GWhJan 2009Dec 2024 Landfill Gas
WWTP Power Generation StationEast Bay Municipal Util DistOakland, CA29 GWhJul 1985Oct 2025 Other Biomass Gas : 98.8% Distillate Fuel Oil : 1.2%
Huron Solar StationPacific Gas & Electric Co.Huron, CA29 GWhMay 2012Dec 2024 Solar
Pebbly Beach Generating Station HybridSouthern California Edison CoAvalon, CA29 GWhJun 1958Oct 2025 Distillate Fuel Oil : 94.5% Gaseous Propane : 5.5%
W PlantQualcomm IncorporatedSan Diego, CA29 GWhJun 2005Oct 2025 Natural Gas
Orion Solar IOrion Solar I LLCArvin, CA28 GWhMar 2014Dec 2024 Solar
AES Alamitos LLCAES Alamitos LLCLong Beach, CA28 GWhAug 1956Oct 2025 Natural Gas
Sand Drag LLCAvenal Solar Holdings LLCAvenal, CA28 GWhJul 2011Dec 2024 Solar
Tropico Solar PV PlantArevon Energy, Inc.Delano, CA27 GWhAug 2016Dec 2024 Solar
Java Solar, LLCJava Solar, LLCLemoore, CA27 GWhOct 2022Dec 2024 Solar
San Manuel Central Plant CogensYuhaaviatam of San Manuel NationHighland, CA27 GWhMay 2021Dec 2024 Natural Gas
Dutch FlatPacific Gas & Electric Co.Alta, CA27 GWhFeb 1943Dec 2024 Water
APP Prune A-DBloom EnergyCupertino, CA27 GWhApr 2017Dec 2023 Natural Gas
Ridgetop Energy LLCTerra-Gen Operating Co-WindMojave, CA27 GWhDec 1983Dec 2024 Wind
Hat Creek 1Pacific Gas & Electric Co.Burney, CA27 GWhJul 1921Dec 2024 Water
Coleman PHPacific Gas & Electric Co.Anderson, CA27 GWhMay 1979Dec 2024 Water
Equinix Lundy Ave. Fuel Cell2016 ESA Project Company, LLCSan Jose, CA26 GWhAug 2017Dec 2024 Natural Gas
Little Bear 3Little Bear Solar 3, LLC (Longroad)Mendota, CA26 GWhNov 2020Dec 2024 Solar
Hat Creek 2Pacific Gas & Electric Co.Burney, CA26 GWhAug 1921Dec 2024 Water
Oro LomaConsolidated Edison Development Inc.Oro Loma, CA25 GWhDec 2016Dec 2024 Solar
Grossmont HospitalSharp Grossmont HospitalLa Mesa, CA25 GWhJul 1983Dec 2024 Natural Gas
MM Lopez EnergyMM Lopez Energy LLCLake View Terrace, CA25 GWhNov 1998Dec 2024 Landfill Gas
Childrens HospitalDTE San Diego COGEN Inc.San Diego, CA25 GWhMar 2000Oct 2025 Natural Gas
Portal Ridge Solar C, LLCPortal Ridge Solar, LLCLancaster, CA25 GWhJan 2017Dec 2024 Solar
Redcrest Solar FarmAES Distributed EnergyEdison, CA25 GWhSep 2015Dec 2024 Solar
SEPV Palmdale EastAES Distributed EnergyPalmdale, CA25 GWhJul 2015Dec 2024 Solar
Stroud Solar StationPacific Gas & Electric Co.Helm, CA25 GWhAug 2011Oct 2024 Solar
Western Power & Steam IncWestern Power and Steam II LLCBakersfield, CA25 GWhFeb 1990Oct 2025 Natural Gas
Indigo Energy FacilityDiamond Generating CorporationNorth Palm Springs, CA25 GWhJun 2001Dec 2024 Natural Gas
San Joaquin SolarGASNA 6P, LLCHelm, CA25 GWhSep 2018Dec 2024 Solar
Larkspur Energy FacilityDiamond Generating CorporationSan Diego, CA24 GWhJun 2001Dec 2024 Natural Gas
Woodmere Solar FarmAES Distributed EnergyEdison, CA24 GWhNov 2015Dec 2024 Solar
SEPV9 Power PlantDuke Energy Renewables ServicesTwentynine Palms, CA24 GWhMay 2013Dec 2024 Solar
RE Columbia 3 LLCMN8 Energy LLCMojave, CA24 GWhDec 2013Dec 2024 Solar
Lone Valley Solar Park I LLCLone Valley Solar Park I LLCLucerne Valley, CA24 GWhNov 2014Dec 2024 Solar
Orange Grove Peaking FacilityOrange Grove Energy LPPala, CA24 GWhMay 2010Dec 2024 Natural Gas
Karen Avenue Wind FarmSan Gorgonio Farms IncNorth Palm Springs, CA23 GWhDec 1984Dec 2024 Wind
Gilroy Peaking Energy CenterCalpine Gilroy Cogen LPGilroy, CA23 GWhOct 2001Dec 2024 Natural Gas
SRI International Cogen ProjectIPT SRI Cogeneration IncMenlo Park, CA23 GWhMar 1987Oct 2025 Natural Gas
Sycamore Energy LLCSycamore Energy LLCSantee, CA23 GWhMar 2004Dec 2024 Landfill Gas
De SablaPacific Gas & Electric Co.Magalia, CA23 GWhJan 1963Dec 2024 Water
Yuba City Cogen PartnersWellhead Services, IncYuba City, CA23 GWhNov 1990Dec 2024 Natural Gas
Cottonwood Solar, LLC (City of Corcoran)Onward EnergyCorcoran, CA23 GWhApr 2015Dec 2024 Solar
Hoag Hospital Cogen PlantHoag Memorial Presbyterian HospitalNewport Beach, CA23 GWhJun 2006Oct 2025 Natural Gas
PooleSouthern California Edison CoLee Vining, CA23 GWhApr 1924Dec 2024 Water
Marina Landfill GasMonterey Regional Waste MgmtMarina, CA23 GWhMar 1998Dec 2024 Landfill Gas
Guernsey Solar StationPacific Gas & Electric Co.Hanford, CA23 GWhJul 2013Dec 2024 Solar
Hatchet Creek ProjectMega RenewablesMontgomery Creek, CA23 GWhNov 1986Dec 2024 Water
EQX011 Duane Fuel Cell2016 ESA Project Company, LLCSanta Clara, CA23 GWhAug 2018Dec 2024 Natural Gas
Abel Road BioenergyACC Renewable ResourcesWilliams, CA22 GWhJun 2022Dec 2024 Agricultural By-Products
Naval Air Weapons Station China LakeMN8 Energy LLCRidgecrest, CA22 GWhAug 2012Dec 2024 Solar
Riverview Energy CenterGilroy Energy Center for RiverviewAntioch, CA22 GWhApr 2003Dec 2024 Natural Gas
Western Antelope Dry RanchAES Distributed EnergyLancaster, CA22 GWhNov 2016Dec 2024 Solar
A G WishonPacific Gas & Electric Co.North Fork, CA22 GWhAug 1910Dec 2024 Water
Spicer Meadow ProjectNorthern California Power AgnyMurphys, CA22 GWhOct 1989Dec 2024 Water
Kaweah Delta District HospitalKaweah Delta HospitalVisalia, CA21 GWhSep 2008Oct 2025 Natural Gas
Aspiration GAES Distributed EnergyCantua Creek, CA21 GWhAug 2017Dec 2024 Solar
Anheuser Busch - FairfieldBloom EnergyFairfield, CA21 GWhNov 2022Dec 2024 Natural Gas

Surrounding Balancing Authorities

RankBalancing AuthorityAnnual Net Generation# Power Plants
#26Arizona Public Service Company24.0 TWh92
#54Arlington Valley, LLC3.3 TWh1
#36Balancing Authority of Northern California14.7 TWh87
#47Imperial Irrigation District6.4 TWh66
#29Los Angeles Department of Water and Power18.6 TWh124
#22Nevada Power Company37.3 TWh139
#64New Harquahala Generating Company, LLC132.0 GWh1
#19Salt River Project Agricultural Improvement and Power District60.1 TWh48
#57Turlock Irrigation District2.0 TWh11
#39Western Area Power Administration - Desert Southwest Region9.8 TWh33

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#3Electric Reliability Council of Texas, Inc.484.7 TWh1,313
#5Southwest Power Pool300.6 TWh835
#6Southern Company Services, Inc. - Trans249.9 TWh417
#7California Independent System Operator184.8 TWh2,075
#9Tennessee Valley Authority161.0 TWh204
#10Florida Power & Light Co.149.6 TWh187
#12New York Independent System Operator132.6 TWh1,211
#13Duke Energy Carolinas111.6 TWh565
#15ISO New England107.8 TWh1,577
#16Bonneville Power Administration83.7 TWh163