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 Jul 2025
Annual Generation 189.7 TWh
Power Plants2,051
Utilities948
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 | 43.4% Solar | 25.5% Water | 11.2% Wind | 10.7% Nuclear | 9.7%

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

1M1M800k800k600k600k400k400k200k200k0020232023Jul '23Jul '2320242024Jul '24Jul '2420252025Jul '25Jul '25
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List of All California Independent System Operator Power Plants

Displaying Results 501 to 600 of 1,357
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Corcoran SolarConsolidated Edison Development Inc.Corcoran, CA35 GWhJul 2013Dec 2024 Solar
Rio Bravo Hydro ProjectOlcese Water DistrictBakersfield, CA35 GWhApr 1989Oct 2024 Water
Red MountainMetropolitan Water District of S CAFallbrook, CA34 GWhMay 1985Oct 2024 Water
C&H Sugar PlantC&H Sugar Company IncCrockett, CA34 GWhSep 1957Apr 2025 Purchased Steam
Sun City Project LLCAvenal Solar Holdings LLCAvenal, CA34 GWhJul 2011Dec 2024 Solar
San Jose CogenerationSan Jose State University Fclts Dev &OpsSan Jose, CA33 GWhNov 1984Apr 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
McSwainMerced Irrigation DistrictSnelling, CA32 GWhJun 1967Dec 2024 Water
Ameresco ForwardAmeresco Forward, LLCManteca, CA32 GWhJan 2014Dec 2024 Landfill Gas
Gas Utilization FacilityCity of San DiegoSan Diego, CA32 GWhMay 1985Apr 2025 Other Biomass 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
Alpaugh NorthConsolidated Edison Development Inc.Alpaugh, CA31 GWhNov 2012Dec 2024 Solar
Blackwell Solar ParkConsolidated Edison Development Inc.Lost Hills, CA31 GWhDec 2018Dec 2024 Solar
Greenleaf 2 Power PlantGreenleaf Energy LLCYuba City, CA31 GWhSep 1989Apr 2025 Natural Gas
Cantua Solar StationPacific Gas & Electric Co.TBD, CA31 GWhMay 2012Dec 2024 Solar
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
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
AES Alamitos LLCAES Alamitos LLCLong Beach, CA31 GWhAug 1956Apr 2025 Natural Gas
P PlantQualcomm IncorporatedSan Diego, CA30 GWhFeb 2007Jul 2024 Natural Gas
Berry Placerita CogenShadow Wolf EnergySanta Clarita, CA30 GWhFeb 1990Mar 2025 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
WWTP Power Generation StationEast Bay Municipal Util DistOakland, CA30 GWhJul 1985Apr 2025 Other Biomass Gas : 98.8% Distillate Fuel Oil : 1.2%
Apple Campus 2 Fuel CellApple, IncCupertino, CA30 GWhMay 2017Dec 2024 Landfill Gas
GrizzlyCity of Santa Clara - (CA)N/A, CA30 GWhOct 1993Dec 2024 Water
W PlantQualcomm IncorporatedSan Diego, CA30 GWhJun 2005Apr 2025 Natural Gas
Lincoln LandfillEnergy 2001 IncLincoln, CA29 GWhOct 2004Dec 2024 Landfill 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
Bear Mountain LimitedWCAC Operating CompanyBakersfield, CA29 GWhMar 1995Mar 2025 Natural Gas
Pebbly Beach Generating Station HybridSouthern California Edison CoAvalon, CA29 GWhJun 1958Apr 2025 Distillate Fuel Oil : 94.6% Gaseous Propane : 5.4%
G2 Energy Ostrom Road LLCG2 Energy LLCWheatland, CA29 GWhJan 2009Dec 2024 Landfill Gas
Huron Solar StationPacific Gas & Electric Co.Huron, CA29 GWhMay 2012Dec 2024 Solar
Orion Solar IOrion Solar I LLCArvin, CA28 GWhMar 2014Dec 2024 Solar
Lockhart ESS, LLCTerra-Gen Operating Co-SolarHinkley, CA28 GWhJun 2024Apr 2025 Electricity used for energy storage
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
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
Saint Agnes Medical CenterSaint Agnes Medical CenterFresno, CA27 GWhApr 2001Apr 2025 Natural Gas
Hat Creek 1Pacific Gas & Electric Co.Burney, CA27 GWhJul 1921Dec 2024 Water
Coleman PHPacific Gas & Electric Co.Anderson, CA27 GWhMay 1979Dec 2024 Water
San Manuel Central Plant CogensYuhaaviatam of San Manuel NationHighland, CA27 GWhMay 2021Dec 2023 Natural Gas
Childrens HospitalDTE San Diego COGEN Inc.San Diego, CA26 GWhMar 2000Apr 2025 Natural Gas
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
BCE Los Alamitos 1Bright Canyon EnergyLos Alamitos, CA26 GWhJul 2023Dec 2024 Solar : 77.0% Electricity used for energy storage : 23.0%
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
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
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
SRI International Cogen ProjectIPT SRI Cogeneration IncMenlo Park, CA24 GWhMar 1987Apr 2025 Natural Gas
RE Columbia 3 LLCMN8 Energy LLCMojave, CA24 GWhDec 2013Dec 2024 Solar
AM Wind Repower LLCBrookfield Renewable Trading and Marketing LPWhitewater, CA24 GWh-Apr 2025 Wind
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
UC Davis South CampusSolar Star California XXXII, LLCDavis, CA23 GWhFeb 2015Dec 2023 Solar
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
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
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
Aspiration GAES Distributed EnergyCantua Creek, CA21 GWhAug 2017Dec 2024 Solar

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#3Electric Reliability Council of Texas, Inc.476.9 TWh1,305
#5Southwest Power Pool296.4 TWh830
#6Southern Company Services, Inc. - Trans250.9 TWh417
#7California Independent System Operator189.7 TWh2,051
#8Tennessee Valley Authority158.8 TWh204
#10Florida Power & Light Co.149.0 TWh187
#12New York Independent System Operator130.8 TWh1,191
#13Duke Energy Carolinas111.8 TWh565
#14ISO New England103.8 TWh1,561
#16Bonneville Power Administration80.6 TWh163