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 1,101 to 1,200 of 1,387
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
SEGS IXTerra-Gen Operating Co-SolarHinkley, CA112 GWhAug 1990Sep 2024 Solar
Sentinel Energy Center, LLCSentinel Energy Center LLCDesert Hot Springs, CA139 GWhApr 2013Sep 2025 Natural Gas
SEPV 1CVI CleanCapital Solar 1 LLCPalmdale, CA3 GWhApr 2012Dec 2024 Solar
SEPV 18AES Distributed EnergyPalmdale, CA5 GWhDec 2015Dec 2024 Solar
SEPV 2CVI CleanCapital Solar 1 LLCTwentynine Palms, CA3 GWhMay 2012Dec 2024 Solar
SEPV 8Duke Energy Renewables ServicesTwentynine Palms, CA33 GWhMay 2013Dec 2024 Solar
SEPV Cuyama HybridSEPV Cuyama, LLCNew Cuyama, CA3 GWhNov 2023Dec 2024 Solar
SEPV Mojave WestAES Distributed EnergyMojave, CA54 GWhMay 2016Dec 2024 Solar
SEPV Palmdale EastAES Distributed EnergyPalmdale, CA25 GWhJul 2015Dec 2024 Solar
SEPV SierraSEPV Sierra, LLCLancaster, CA5 GWhMar 2020Dec 2024 Solar
SEPV9 Power PlantDuke Energy Renewables ServicesTwentynine Palms, CA24 GWhMay 2013Dec 2024 Solar
SF Southeast Cogen PlantCity & County of San FranciscoSan Francisco, CA4 GWhMay 2002Dec 2024 Other Biomass Gas
SFDK SolarAES Distributed EnergyVallejo, CA10 GWhNov 2019Dec 2024 Solar
Shafter Solar LLCShafter Solar LLCBakersfield, CA46 GWhApr 2015Dec 2024 Solar
Shasta Solar FarmIgnite Solar Holdings LLCFall River Mills, CA6 GWhFeb 2014Dec 2024 Solar
Sheep Creek Community Solar FarmPhelan Solar LLCEl Mirage, CA6 GWhJul 2023Dec 2024 Solar
Shelter Creek Condominiums SolarVista Solar, Inc.San Bruno, CA4 GWhJan 2020Dec 2024 Solar
Shiloh I Wind ProjectAvangrid Power LLCRio Vista, CA390 GWhApr 2006Dec 2024 Wind
Shiloh III Wind Project LLCEDF Renewable Asset Holdings, Inc.Birds Landing, CA265 GWhNov 2011Dec 2024 Wind
Shiloh IV Wind Project LLCEDF Renewable Asset Holdings, Inc.Birds Landing, CA278 GWhNov 2012Dec 2024 Wind
Shiloh Wind Project 2 LLCEDF Renewable Asset Holdings, Inc.Birds Landing, CA393 GWhDec 2008Dec 2024 Wind
Sierra Nevada Brewing Co HybridSierra Nevada Brewing CoChico, CA10 GWhApr 2005Dec 2024 Natural Gas : 76.8% Solar : 21.6% Other Biomass Gas : 1.6%
Sierra Pacific Burney FacilitySierra Pacific IndustriesBurney, CA96 GWhSep 1986Dec 2024 Wood/Wood Waste Solids
Sierra Pacific Chinese CampSierra Pacific IndustriesChinese Camp, CA5 GWhFeb 2022Dec 2024 Solar
Sierra Pacific Industries (2042-RD)Sierra Pacific IndustriesRed Bluff, CA16 GWhApr 2020Dec 2024 Solar
Sierra Pacific Lincoln FacilitySierra Pacific IndustriesLincoln, CA94 GWhFeb 2004Dec 2024 Wood/Wood Waste Solids
Sierra Pacific Quincy FacilitySierra Pacific IndustriesQuincy, CA193 GWhNov 1986Dec 2024 Wood/Wood Waste Solids
Sierra Pacific SonoraSierra Pacific IndustriesStandard, CA35 GWhJan 2001Dec 2024 Wood/Wood Waste Solids
Sierra Solar GreenworksAES Distributed EnergyLancaster, CA39 GWhOct 2015Dec 2024 Solar
Signal Hill West UnitSignal Hill Petroleum, IncSignal Hill, CA40 GWhJun 2004Sep 2025 Other Gas
Silicon Valley Clean WaterSilicon Valley Clean WaterRedwood City, CA7 GWhFeb 2015Dec 2024 Other Biomass Gas : 71.4% Natural Gas : 28.6%
Silveira Ranch Road SolarSilveira Ranch Road SolarNovato, CA4 GWhFeb 2021Dec 2024 Solar
Silver State Solar Power SouthSilver State Solar Power South, LLCPrimm Valley, NV673 GWhOct 2015Sep 2025 Solar
Site 980 65Madera-Chowchilla Power AuthMadera, CA5 GWhJan 1985Jul 2024 Water
SJ/SC WPCPSan Jose/Santa Clara Water P CSan Jose, CA84 GWhJan 1953Sep 2025 Natural Gas : 51.6% Other Biomass Gas : 48.3%
Sky River Wind Energy CenterSky River Wind LLCTehachapi, CA245 GWhJan 1991Dec 2024 Wind
Slate HybridMN8 Energy LLCStratford, CA741 GWhOct 2021Sep 2025 Solar
Sly CreekSouth Feather Water and Power AgencyForbestown, CA31 GWhJun 1983Dec 2024 Water
Soboba Community Solar ProjectSoboba Band of Luiseno IndiansSan Jacinto, CA3 GWhJul 2016Dec 2024 Solar
Solano County Cogen PlantSolano CountyFairfield, CA8 GWhMay 1989Dec 2024 Natural Gas
Solano WindSacramento Municipal Util DistRio Vista, CA802 GWhMay 1994Sep 2025 Wind
Solar BlueWestlands Solar Blue (OZ) Owner, LLCLemoore, CA658 GWhNov 2023Sep 2025 Solar
Solar Blythe 2NRG Solar Blythe II LLCBlythe, CA38 GWhMar 2017Dec 2024 Solar
Solar Blythe LLCNRG Solar BlytheBlythe, CA42 GWhNov 2009Dec 2024 Solar
Solar Borrego INRG Solar Borrego IBorrego Springs, CA62 GWhJan 2013Dec 2024 Solar
Solar Gen 2 Solar FacilitySouthern Power CoCalipatria, CA364 GWhOct 2014Dec 2024 Solar
Solar Oasis LLCSolar Oasis, LLCPalmdale, CA51 GWhDec 2015Dec 2024 Solar
Solar Photovoltaic Project #42Southern California Edison CoTulare, CA8 GWhOct 2012Dec 2024 Solar
Solar Star 1Solar Star California XIX, LLCRosamond, CA898 GWhFeb 2014Sep 2025 Solar
Solar Star 2Solar Star California XX, LLCRosamond, CA714 GWhFeb 2014Sep 2025 Solar
Solar Star California, XLI, LLCMN8 Energy LLCRosamond, CA150 GWhNov 2016Sep 2025 Solar
Solar Star California, XLIV, LLCMN8 Energy LLCPearblossom, CA18 GWhNov 2016Dec 2024 Solar
Solar Star Palo Alto I, LLCDG 1 Acquisition Co., LLCPalo Alto, CA2 GWhJul 2019Dec 2024 Solar
Solverde 1AES Distributed EnergyLancaster, CA209 GWhNov 2016Sep 2025 Solar
Sonoma California GeothermalGeysers Power Co LLCMiddletown, CA448 GWhNov 1983Dec 2024 Geothermal
Sonoma Central Landfill Phase ICounty of Sonoma Dept of TrnspPetaluma, CA6 GWhJun 1993Dec 2024 Landfill Gas
Sonoma Central Landfill Phase IICounty of Sonoma Dept of TrnspPetaluma, CA5 GWhMay 1996Dec 2024 Landfill Gas
Sonora 1Greenbacker Renewable Energy CorporationJamestown, CA621 MWhNov 2013Dec 2024 Solar
Soscol Ferry SolarSoscol Ferry SolarNapa, CA5 GWhNov 2020Dec 2024 Solar
SouthPacific Gas & Electric Co.Manton, CA13 GWhNov 1979Dec 2024 Water
South Belridge Cogeneration FacilityAERA Energy LLCMcKittrick, CA467 GWhNov 1985Sep 2025 Natural Gas
South County Detention Center SolarSoCore Energy LLCPorterville, CA2 GWhOct 2019Dec 2024 Solar
Southeast Kern River CogenChevron USA IncBakersfield, CA47 GWhJan 1989Sep 2025 Natural Gas
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%
Spaulding 1Pacific Gas & Electric Co.Emigrant Gap, CA18 GWhApr 1928Dec 2024 Water
Spaulding 3Pacific Gas & Electric Co.Emigrant Gap, CA16 GWhJan 1929Dec 2024 Water
SPI Anderson 2Sierra Pacific IndustriesAnderson, CA138 GWhJul 2015Oct 2024 Wood/Wood Waste Solids : 99.0% Natural Gas : 1.0%
Spicer Meadow ProjectNorthern California Power AgnyMurphys, CA22 GWhOct 1989Dec 2024 Water
Spring GapPacific Gas & Electric Co.Long Barn, CA30 GWhAug 1921Nov 2024 Water
Springs Generating StationCity of Riverside - (CA)Riverside, CA825 MWhJun 2002Dec 2024 Natural Gas
Springville HydroelectricCalleguas Mun Water DistrictCamarillo, CA98 MWhFeb 1994Dec 2024 Water
SRI International Cogen ProjectIPT SRI Cogeneration IncMenlo Park, CA23 GWhMar 1987Sep 2025 Natural Gas
Stage Gulch SolarStage Gulch Solar, LLCPetaluma, CA1 GWhMar 2018Dec 2024 Solar
Stanford Campus SolarMN8 Energy LLCStanford, CA6 GWhFeb 2017Dec 2024 Solar
StanislausPacific Gas & Electric Co.Vallecito, CA316 GWhFeb 1963Oct 2024 Water
Stanton Energy Reliability Center HybridWellhead Services, IncStanton, CA2 GWhJun 2020Sep 2025 Natural Gas
Staples La Mirada, CASunE WF3-ST Holdings, LLCLa Mirada, CA871 MWhFeb 2009Dec 2024 Solar
Starbucks - Evolution FreshBloom EnergyRancho Cucamonga, CA4 GWhMay 2014Jun 2024 Natural Gas
Stateline SolarSouthern Power CoNipton, CA620 GWhNov 2015Dec 2024 Solar
Stenner Creek SolarStenner Creek Solar LLCSan Luis Obispo, CA9 GWhApr 2018Dec 2024 Solar
Still Water PowerStill Water Power LLCHanford, CA674 MWhApr 2020Dec 2024 Other Biomass Gas
Stockton BiomassDTE Stockton LLCStockton, CA343 GWhNov 1987Dec 2024 Wood/Wood Waste Solids : 99.5%
Stony GorgeCity of Santa Clara - (CA)Elk Creek, CA16 GWhMar 1986Dec 2024 Water
Strauss Wind FarmStrauss Wind LLCLompoc, CA230 GWhNov 2023Sep 2025 Wind
Stroud Solar StationPacific Gas & Electric Co.Helm, CA25 GWhAug 2011Oct 2024 Solar
Summer North SolarAES Distributed EnergyLancaster, CA10 GWhNov 2014Dec 2024 Solar
Summer Solar A2AES Distributed EnergyLancaster, CA3 GWhMay 2014Dec 2024 Solar
Summer Solar B2AES Distributed EnergyLancaster, CA3 GWhMay 2014Dec 2024 Solar
Summer Solar C2AES Distributed EnergyLancaster, CA3 GWhMay 2014Dec 2024 Solar
Summer Solar D2AES Distributed EnergyLancaster, CA2 GWhJun 2014Dec 2024 Solar
Summer Solar LLCAES Distributed EnergyLancaster, CA49 GWhJun 2016Dec 2024 Solar
Summit WindsGreenbacker Renewable Energy CorporationLivermore, CA199 GWhJun 2021Sep 2025 Wind
Sun City Project LLCAvenal Solar Holdings LLCAvenal, CA34 GWhJul 2011Dec 2024 Solar
Sun Harvest Solar NDP1Altus Power America Management, LLCDos Palos, CA3 GWhApr 2015Dec 2024 Solar
Sun Streams 2Sun Streams 2, LLCHassayampa, AZ328 GWhMay 2021Sep 2025 Solar
Sun Streams, LLCEDP Renewables North America LLCArlington, AZ406 GWhDec 2019Sep 2025 Solar
SunAnzaArizona Electric Pwr Coop IncAnza, CA8 GWhAug 2017Dec 2024 Solar
SunE- E Philadelphia OntarioSunEdison LLCOntario, CA2 GWhFeb 2016Dec 2024 Solar
SunE RochesterSunE Solar XVI Lessor, LLCRancho Cucamonga, CA991 MWhJul 2016Jul 2024 Solar
SunEdison Anheuser Busch FairfieldSunE M5 Holdings LLCFairfield, CA1 GWhNov 2008Dec 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