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 101 to 200 of 1,387
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Van der Kooi Dairy Solar ArrayMaas Energy WorksRiverdale, CA4 GWhMar 2021Dec 2024 Solar
Valley Center 2MN8 Energy LLCValley Center, CA11 GWhNov 2013Dec 2024 Solar
Valley Center 1MN8 Energy LLCValley Center, CA4 GWhNov 2013Dec 2024 Solar
Valley CenterHeelstone Energy Holdings, LLCValley Center, CA5 GWhNov 2016Dec 2024 Solar
Vallecitos Water DistrictSSA Solar of CA 5, LLCSan Marcos, CA3 GWhAug 2021Dec 2024 Solar
Valero Refinery Cogeneration Unit 1Valero Refining Co CaliforniaBenicia, CA275 GWhSep 2002Sep 2025 Natural Gas : 87.7% Other Gas : 12.3%
Valentine Solar, LLCEDF Renewable Asset Holdings, Inc.Rosamond, CA290 GWhOct 2019Sep 2025 Solar
Vacaville HospitalKP Vacaville Solar, LLCVacaville, CA3 GWhNov 2019Dec 2024 Solar
Vaca Dixon Solar StationPacific Gas & Electric Co.Vacaville, CA3 GWhNov 2009Dec 2024 Solar
USPS PVAltus Power America Management, LLCLos Angeles, CA10 GWhJun 2017Dec 2024 Solar
US-TOPCO (Soccer Center)Tesla Inc.Lancaster, CA7 GWhNov 2016Dec 2024 Solar
US BoraxU S Borax IncBoron, CA279 GWhJun 1984Sep 2025 Natural Gas
University of the PacificThe Greater Light USA LLCStockton, CA6 GWhApr 2022Dec 2024 Solar
University of San DiegoBloom Energy 2009 PPASan Diego, CA8 GWhNov 2016Dec 2024 Natural Gas
University of California Santa CruzUniversity of California Santa CruzSanta Cruz, CA35 GWhAug 2013Dec 2024 Natural Gas : 91.7% Solar : 8.3%
University of California San Diego HybriUniversity of California San DiegoLa Jolla, CA205 GWhJun 2001Sep 2025 Natural Gas
Univ of San Francisco CogenUniversity of San FranciscoSan Francisco, CA5 GWhAug 1987Dec 2024 Natural Gas
Univ of California San Diego SolarUniversity of California San DiegoLa Jolla, CA2 GWhNov 2008Dec 2024 Solar
UCI Facilities Management Central PlantUniversity of California IrvineIrvine, CA113 GWhJun 2007Sep 2025 Natural Gas
UC Riverside Lots 30 & 32MN8 Energy LLCRiverside, CA7 GWhNov 2017Dec 2024 Solar
UC Merced Solar HybridMN8 Energy LLCMerced, CA7 GWhNov 2018Dec 2024 Solar
UC Davis South CampusSolar Star California XXXII, LLCDavis, CA17 GWhFeb 2015Dec 2024 Solar
TWCBravo REC Management LLCTulare, CA918 MWhJul 2024Dec 2024 Solar
TullochOakdale&South San Joaquin Irrigation D.Jamestown, CA104 GWhMay 1958Dec 2024 Water
Tule Wind LLCAvangrid Power LLCBoulevard, CA352 GWhNov 2017Sep 2025 Wind
Tulare Success Power ProjectLower Tule River Irrgtn DistPorterville, CA2 GWhNov 1989Sep 2024 Water
Tulare CSG LLCDimension Energy LLCTulare, CA375 MWhSep 2024Dec 2024 Solar
Tulare BioMAT Fuel CellCentral CA Fuel Cell 2, LLCTulare, CA14 GWhNov 2019Jul 2024 Natural Gas : 63.4% Other Biomass Gas : 36.6%
Tulare Akers Professional CenterSoCore Energy LLCVisalia, CA2 GWhOct 2019Dec 2024 Solar
Tulare 1 and 2Arevon Energy, Inc.Tulare, CA5 GWhDec 2013Dec 2024 Solar
Tropico Solar PV PlantArevon Energy, Inc.Delano, CA27 GWhAug 2016Dec 2024 Solar
Trona Solar IIITrona Solar III LLCTrona, CA5 GWhMar 2023Dec 2024 Solar
Transamerica PyramidTransamerica Pyramid Properties LLCSan Francisco, CA525 MWhJun 2007Dec 2023 Natural Gas
Tranquillity IDTranquillity Solar 1, LLCTranquillity, CA3 GWhFeb 2018Dec 2024 Solar
Tracy Combined Cycle Power PlantMRP San Joaquin Energy LLC.Tracy, CA1 TWhMar 2003Sep 2025 Natural Gas
Tracy 210Costco WholesaleTracy, CA21 GWhFeb 2019Dec 2024 Natural Gas
TPC Windfarms LLCTerra-Gen Operating Co-WindMojave, CA46 GWhNov 1986Dec 2024 Wind
Toyota Long Beach TrigenLong Beach Trigen, LLCLong Beach, CA17 GWhOct 2023Dec 2024 Other Biomass Gas
Total Energy FacilitiesLos Angeles County SanitationCarson, CA161 GWhDec 1985Dec 2024 Other Biomass Gas : 99.6%
Torrance Refining Company, LLCTorrance Refining Company, LLCTorrance, CA83 GWhAug 1983Sep 2025 Other Gas : 74.7% Waste Heat : 25.3%
Topaz Solar FarmTopaz Solar Farms LLCSanta Margarita, CA1 TWhMar 2013Sep 2025 Solar
ToadtownPacific Gas & Electric Co.Magalia, CA2 GWhMar 1986Oct 2024 Water
TLR000 Hansen Fuel Cell2016 ESA Project Company, LLCSalinas, CA8 GWhAug 2018Dec 2024 Natural Gas
Titan Solar 1 (CA)Titan Solar 1, LLCBorrego Springs, CA132 GWhNov 2020Sep 2025 Solar
Tipton 2 - (CA)Pacifico PowerTipton, CA83 MWhNov 2024Dec 2024 Solar
Tipton 1 - (CA)Pacifico PowerTipton, CA167 MWhNov 2024Dec 2024 Solar
Tiger CreekPacific Gas & Electric Co.Pioneer, CA225 GWhMay 1931Dec 2024 Water
THUMSTHUMS Long Beach CompanyLong Beach, CA207 GWhDec 2002Sep 2025 Natural Gas
Three Forks Water Power ProjectGrizzly Mountain RanchZenia, CA3 GWhNov 1984Dec 2024 Water
Thermalito Diverson DamCalifornia Dept. of Water ResourcesOroville, CA19 GWhJun 1987Dec 2024 Water
ThermalitoCalifornia Dept. of Water ResourcesOroville, CA309 GWhJan 1968Sep 2025 Water
Terry 1818-WDStandard SolarWasco, CA57 MWhNov 2024Dec 2024 Solar
Terra-Gen VG Wind LLCTerra-Gen Operating Co-WindTehachapi, CA8 GWhDec 1983Jun 2024 Wind
Terra FrancescoAltus Power America Management, LLCOntario, CA2 GWhFeb 2015Dec 2024 Solar
Terminus Hydroelectric ProjectEagle Creek Renewable Energy, LLCLemon Cove, CA42 GWhFeb 1990Jun 2024 Water
Tequesquite Landfill Solar PV ProjectSolar Star California XXXI, LLCRiverside, CA13 GWhSep 2015Dec 2024 Solar
Temescal Canyon RV, LLCTemescal Canyon RV, LLCCorona, CA2 GWhApr 2011Dec 2024 Solar
TemescalMetropolitan Water District of S CACorona, CA17 GWhJun 1983Dec 2024 Water
Tejon Castac Water District SolarCTMW Solar, LLCArvin, CA3 GWhApr 2024Dec 2024 Solar
Teichert Materials-Teichert VernalisFoundation HA Energy Generation, LLCSan Joaquin, CA2 GWhSep 2010Dec 2024 Wind
Tehachapi Wind Resource IICalWind Resources IncTehachapi, CA46 GWhDec 1996Dec 2024 Wind
Tehachapi Wind Resource ICalWind Resources IncTehachapi, CA14 GWhNov 1984Dec 2024 Wind
Taylor Farms - Schilling PlaceBloom EnergySalinas, CA8 GWhJun 2019Dec 2024 Natural Gas
Taylor Farms SalinasBloom EnergySalinas, CA8 GWhAug 2012Dec 2023 Natural Gas
Taylor FarmsFoundation HA Energy Generation, LLCGonzales, CA4 GWhOct 2014Dec 2024 Wind
Target Woodland Solar ProjectMN8 Energy LLCWoodland, CA3 GWhNov 2018Dec 2024 Solar
Tahquitz High SchoolAES Distributed EnergyHemet, CA2 GWhAug 2012Dec 2024 Solar
Taft 26C CogenChevron USA IncTaft, CA43 GWhJun 1982Sep 2025 Natural Gas
TA-High Desert LLCTA-High Desert LLCLancaster, CA57 GWhFeb 2013Dec 2024 Solar
TA-Acacia, LLCOnward EnergyLancaster, CA52 GWhOct 2014Dec 2024 Solar
Sycamore Energy LLCSycamore Energy LLCSantee, CA23 GWhMar 2004Dec 2024 Landfill Gas
Sycamore CogenerationSycamore Cogeneration CoBakersfield, CA304 GWhNov 1987Sep 2025 Natural Gas
Sutter Santa Rosa SolarSutter Santa Rosa Solar LLCSanta Rosa, CA2 GWhAug 2019Dec 2024 Solar
Sutter Home Winery TCCREC SHW, LLCPaso Robles, CA1 GWhApr 2024Dec 2024 Solar
Sutter Home Winery GIRWestbound Solar 3, LLCAmerican Canyon, CA2 GWhJul 2023Dec 2024 Solar
Sunshine Valley SolarEDP Renewables North America LLCArmagosa, NV267 GWhNov 2019Sep 2025 Solar
Sunshine Gas ProducersSunshine Gas Producers LLCSylmar, CA121 GWhJul 2014Sep 2025 Landfill Gas
Sunset Reservoir North BasinDuke Energy Renewables ServicesSan Francisco, CA6 GWhAug 2010Dec 2024 Solar
Sunrise Power LLCSunrise Power Co LLCFellows, CA2 TWhMay 2001Sep 2025 Natural Gas
Sunray 3Sunray Energy 3 LLCDaggett, CA37 GWhNov 1985Dec 2024 Solar
Sunray 2Sunray Energy 2, LLCDaggett, CA58 GWhNov 1984Dec 2024 Solar
Sunnyvale City of WPCPSunnyvale City of WPCPSunnyvale, CA9 GWhOct 1997Dec 2024 Natural Gas : 48.8% Other Biomass Gas : 28.3% Landfill Gas : 22.9%
Sunny Cow Solar, LLCSunny Cow Solar, LLCBakersfield, CA5 GWhSep 2023Dec 2024 Solar
SunEdison Walmart Apple Valley DCSunE M5 Holdings LLCApple Valley, CA716 MWhFeb 2009Dec 2024 Solar
SunEdison Walgreens Moreno ValleySunE WG113 Moreno Valley LLCMoreno Valley, CA900 MWhAug 2007Dec 2024 Solar
SunEdison Procter & Gamble OxnardSunE U6 Holdings LLCOxnard, CA2 GWhSep 2009Dec 2024 Solar
SunEdison Ironwood State PrisonSunE CPA CDC2 LLCBlythe, CA996 MWhApr 2008Dec 2024 Solar
SunEdison Anheuser Busch FairfieldSunE M5 Holdings LLCFairfield, CA1 GWhNov 2008Dec 2024 Solar
SunE RochesterSunE Solar XVI Lessor, LLCRancho Cucamonga, CA991 MWhJul 2016Jul 2024 Solar
SunE- E Philadelphia OntarioSunEdison LLCOntario, CA2 GWhFeb 2016Dec 2024 Solar
SunAnzaArizona Electric Pwr Coop IncAnza, CA8 GWhAug 2017Dec 2024 Solar
Sun Streams, LLCEDP Renewables North America LLCArlington, AZ406 GWhDec 2019Sep 2025 Solar
Sun Streams 2Sun Streams 2, LLCHassayampa, AZ328 GWhMay 2021Sep 2025 Solar
Sun Harvest Solar NDP1Altus Power America Management, LLCDos Palos, CA3 GWhApr 2015Dec 2024 Solar
Sun City Project LLCAvenal Solar Holdings LLCAvenal, CA34 GWhJul 2011Dec 2024 Solar
Summit WindsGreenbacker Renewable Energy CorporationLivermore, CA199 GWhJun 2021Sep 2025 Wind
Summer Solar LLCAES Distributed EnergyLancaster, CA49 GWhJun 2016Dec 2024 Solar
Summer Solar D2AES Distributed EnergyLancaster, CA2 GWhJun 2014Dec 2024 Solar
Summer Solar C2AES Distributed EnergyLancaster, CA3 GWhMay 2014Dec 2024 Solar
Summer Solar B2AES Distributed EnergyLancaster, CA3 GWhMay 2014Dec 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