California Independent System Operator

Balancing Authority Summary Information

California Independent System Operator is ranked #7 out of 64 balancing authorities in terms of total annual electricity generation.

Balancing AuthorityCalifornia Independent System Operator
States Arizona California Nevada New Mexico
Last Update Jul 2026
Annual Generation 169.4 TWh
Power Plants2,135
Utilities988
Ranked #7 out of 64 in terms of net annual generation
Ranked #12 out of 53 in terms of annual generation from natural gas
Power Plant Types Natural Gas | 34% Solar | 30% Water | 12.4% Wind | 11.3% Nuclear | 11%

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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 1,391
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Drum 2Pacific Gas & Electric Co.Alta, CA164 GWhNov 1965Dec 2025 Water
P66 Rodeo SolarP66 Rodeo SolarRodeo, CA58 GWhMar 2023May 2026 Solar
Otay Mesa Generating ProjectOtay Mesa Energy Center LLCSan Diego, CA1 TWhSep 2009May 2026 Natural Gas
Ormond BeachOrmond Beach Power, LLCOxnard, CA5 GWhJul 1971May 2026 Natural Gas
Mammoth G2Ormat Nevada IncMammoth Lakes, CA84 GWhNov 1990Dec 2025 Geothermal
Mammoth G1Ormat Nevada IncMammoth lakes, CA44 GWhNov 1984Dec 2025 Geothermal
Mammoth G3Ormat Nevada IncMammoth Lakes, CA75 GWhNov 1990Dec 2025 Geothermal
Dixie ValleyOrmat Nevada IncFallon, NV463 GWhMay 1988May 2026 Geothermal
Orion Solar IIOrion Solar II, LLCArvin, CA16 GWhMay 2014Dec 2025 Solar
Orion Solar IOrion Solar I LLCArvin, CA27 GWhMar 2014Dec 2025 Solar
OES Biogas PowerOrganic Energy Solutions, Inc.San Bernardino, CA5 GWh-Dec 2024 Other Biomass Gas
Orange Grove Peaking FacilityOrange Grove Energy LPPala, CA9 GWhMay 2010Dec 2025 Natural Gas
Plant No 1 Orange CountyOrange County Sanitation Dist - (CA)Fountain Valley, CA41 GWhMay 1993Dec 2025 Other Biomass Gas : 81.6% Natural Gas : 18.4%
Plant No 2 Orange CountyOrange County Sanitation Dist - (CA)Huntington Beach, CA47 GWhMay 1993Dec 2025 Other Biomass Gas : 77.2% Natural Gas : 22.8%
Legoland CA Phase IOnyx Asset Services GroupCarlsbad, CA1 GWhMay 2025Dec 2025 Solar
Oaks HOAOnyx Asset Services GroupIone, CA2 GWhMar 2025Dec 2025 Solar
Amazon - SAN5Onyx Asset Services GroupSan Diego, CA530 MWhOct 2025Dec 2025 Solar
SeaWorld AquaticaOnyx Asset Services GroupChula Vista, CA2 GWhApr 2018Dec 2024 Solar
Paso Robles - Municipal AirportOnyx Asset Services GroupPaso Robles, CA8 GWhDec 2023Dec 2025 Solar
Cottonwood Solar, LLC (Goose Lake)Onward EnergyLost Hills, CA30 GWhApr 2015Dec 2025 Solar
Catalina Solar 2, LLCOnward EnergyRosamond, CA55 GWhJul 2015Dec 2025 Solar
CID Solar, LLCOnward EnergyCorcoran, CA41 GWhNov 2014Dec 2025 Solar
Cottonwood Solar, LLC (City of Corcoran)Onward EnergyCorcoran, CA21 GWhApr 2015Dec 2025 Solar
TA-Acacia, LLCOnward EnergyLancaster, CA48 GWhOct 2014Dec 2025 Solar
RE Kent South, LLCOnward EnergyLemoore, CA36 GWhNov 2014Dec 2025 Solar
RE Columbia Two, LLCOnward EnergyMojave, CA41 GWhNov 2014Dec 2025 Solar
RE Old River One, LLCOnward EnergyBakersfield, CA38 GWhNov 2014Dec 2025 Solar
RE Kansas Solar, LLCOnward EnergyLemoore, CA24 GWhNov 2014Dec 2025 Solar
RE Adams East, LLCOnward EnergyFresno, CA41 GWhNov 2014Dec 2025 Solar
Alamo SolarOnward EnergyOro Grande, CA49 GWhApr 2015Dec 2025 Solar
RE Camelot LLCOnward EnergyMojave, CA121 GWhNov 2014Dec 2025 Solar
Maricopa West Solar PV, LLCOnward EnergyTaft, CA50 GWhNov 2015Dec 2025 Solar
Cottonwood Solar, LLC Cottonwood CarportOnward EnergyNovato, CA1 GWhApr 2016Dec 2025 Solar
One Ten Partners PVOne Ten Partners, LLCPalmdale, CA6 GWhAug 2017Dec 2025 Solar
OlsenOlsen Power PartnersWhitmore, CA15 GWhDec 1989Dec 2025 Water
Agnews Power PlantOLS Energy-Agnews Inc.San Jose, CA9 GWhOct 1990Dec 2025 Natural Gas
Rio Bravo Hydro ProjectOlcese Water DistrictBakersfield, CA27 GWhApr 1989Nov 2025 Water
OK Produce Fresno CarportOK ProduceFresno, CA3 GWhDec 2018Dec 2025 Solar
Oakley Solar ProjectOakley Solar Project LLCOakley, CA2 GWhMay 2013Dec 2025 Solar
BeardsleyOakdale&South San Joaquin Irrigation D.None, CA56 GWhApr 1957Dec 2025 Water
DonnellsOakdale&South San Joaquin Irrigation D.None, CA233 GWhMay 1957Dec 2025 Water
TullochOakdale&South San Joaquin Irrigation D.Jamestown, CA103 GWhMay 1958Dec 2025 Water
Solar Borrego INRG Solar Borrego IBorrego Springs, CA61 GWhJan 2013Dec 2025 Solar
Solar Blythe 2NRG Solar Blythe II LLCBlythe, CA41 GWhMar 2017Dec 2025 Solar
Solar Blythe LLCNRG Solar BlytheBlythe, CA39 GWhNov 2009Dec 2025 Solar
El Segundo Energy Center LLCNRG Energy Services LLCEl Segundo, CA43 GWhJun 2013May 2026 Natural Gas
Ivanpah 2NRG Energy ServicesNipton, CA236 GWhNov 2013May 2026 Solar : 96.8% Natural Gas : 3.2%
Ivanpah 1NRG Energy ServicesNipton, CA197 GWhNov 2013May 2026 Solar : 96.2% Natural Gas : 3.8%
Ivanpah 3NRG Energy ServicesNipton, CA211 GWhNov 2013May 2026 Solar : 96.5% Natural Gas : 3.5%
Carlsbad Energy CenterNRG California Peaker Operations LLCCarlsbad, CA195 GWhNov 2018May 2026 Natural Gas
Geothermal 1Northern California Power AgnyMiddletown, CA308 GWhDec 1982May 2026 Geothermal
Collierville PowerhouseNorthern California Power AgnyMurphys, CA396 GWhOct 1989May 2026 Water
LodiNorthern California Power AgnyLodi, CA2 GWhJan 1986Dec 2025 Natural Gas
Lodi Energy CenterNorthern California Power AgnyLodi, CA403 GWhOct 2012May 2026 Natural Gas
Spicer Meadow ProjectNorthern California Power AgnyMurphys, CA14 GWhOct 1989Dec 2025 Water
Geothermal 2Northern California Power AgnyMiddletown, CA363 GWhNov 1985Apr 2026 Geothermal
AlamedaNorthern California Power AgnyAlameda, CA3 GWhApr 1986Dec 2025 Natural Gas
North Sky River Energy LLCNorth Sky River Energy LLCWeldon, CA365 GWhNov 2012Dec 2025 Wind
North Rosamond Solar LLCNorth Rosamond Solar, LLCRosamond, CA362 GWhMay 2019May 2026 Solar
Coram Energy LLC (4.5MW)Nextera Energy ResourcesTehachapi, CA9 GWhNov 1985Dec 2025 Wind
Coram Energy LLCNextera Energy ResourcesTehachapi, CA9 GWhDec 2004Dec 2025 Wind
Coram Energy LLC (ECT)Nextera Energy ResourcesTehachapi, CA22 GWhApr 2005Dec 2025 Wind
Windstar 1Nextera Energy ResourcesTehachapi, CA255 GWhJan 2012Dec 2025 Wind
Alta Wind VIIINextera Energy ResourcesMojave, CA219 GWhDec 2011Dec 2025 Wind
Montezuma Wind IINextEra Energy Montezuma Wind II, LLCBirds Landing, CA196 GWhDec 2011Dec 2025 Wind
Desert Sunlight 300, LLCNextEra Energy Desert Sunlight 300, LLCDesert Center, CA620 GWhOct 2013Dec 2025 Solar
Desert Sunlight 250, LLCNextEra Energy Desert Sunlight 250, LLCDesert Center, CA517 GWhOct 2013Dec 2025 Solar
Oxnard Paper MillNew-Indy, Oxnard LLCOxnard, CA150 GWhFeb 1986May 2026 Natural Gas
New-Indy Ontario MillNew-Indy Ontario LLCOntario, CA248 GWhMay 1985May 2026 Natural Gas
Scott FlatNevada Irrigation DistrictNevada City, CA4 GWhJan 1985Oct 2025 Water
Chicago ParkNevada Irrigation DistrictColfax, CA65 GWhOct 1965Dec 2025 Water
RollinsNevada Irrigation DistrictColfax, CA37 GWhJul 1980Dec 2025 Water
Dutch Flat 2Nevada Irrigation DistrictDutch Flat, CA15 GWhOct 1965Dec 2025 Water
Combie SouthNevada Irrigation DistrictAuburn, CA4 GWhMar 1984Dec 2024 Water
BowmanNevada Irrigation DistrictNevada City, CA14 GWhAug 1986Dec 2025 Water
Deer Creek PHNevada Irrigation DistrictNevada City, CA15 GWhApr 1908Dec 2025 Water
Nelson CreekNelson Creek Power IncBig Bend, CA3 GWhSep 1989Dec 2025 Water
Kilroy SolarNautilus Solar SolutionsSan Diego, CA6 GWhDec 2017Dec 2025 Solar
National RaisinNational RaisinFowler, CA5 GWhMay 2015Dec 2025 Solar
Mustang Hills LLCMustang Hills, LLC (Longroad)Mojave, CA267 GWhApr 2012Dec 2025 Wind
Hanford Energy Park PeakerMRP San Joaquin Energy LLC.Hanford, CA3 GWhAug 2001Apr 2026 Natural Gas
Henrietta PeakerMRP San Joaquin Energy LLC.Lemoore, CA3 GWhMay 2002May 2026 Natural Gas
Tracy Combined Cycle Power PlantMRP San Joaquin Energy LLC.Tracy, CA698 GWhMar 2003May 2026 Natural Gas
High Desert Power PlantMRP Generation Holdings, LLCVictorville, CA3 TWhMar 2003May 2026 Natural Gas
Marina Landfill GasMonterey Regional Waste MgmtMarina, CA10 GWhMar 1998Dec 2025 Landfill Gas
Monterey One WaterMonterey One WaterMarina, CA8 GWhJul 1988Dec 2025 Other Biomass Gas : 78.5% Natural Gas : 21.5%
Nacimiento Hydro ProjectMonterey Cnty Water Res AgencyBradley, CA12 GWhJun 1987Dec 2025 Water
Mojave Solar ProjectMojave Solar LLCHinkley, CA592 GWhNov 2014May 2026 Solar
New Hogan Power PlantModesto Irrigation DistrictValley Springs, CA6 GWhMar 1989Dec 2025 Water
Gap Pacific Distribution CenterMN8 Energy LLCFresno, CA5 GWhSep 2008Dec 2025 Solar
Ramona 2MN8 Energy LLCRamona, CA9 GWhNov 2013Dec 2025 Solar
Naval Air Weapons Station China LakeMN8 Energy LLCRidgecrest, CA24 GWhAug 2012Dec 2025 Solar
RE Rio Grande Solar LLCMN8 Energy LLCMojave, CA10 GWhNov 2013Dec 2025 Solar
Ramona 1MN8 Energy LLCRamona, CA3 GWhNov 2013Dec 2025 Solar
Valley Center 2MN8 Energy LLCValley Center, CA8 GWhNov 2013Dec 2025 Solar
Valley Center 1MN8 Energy LLCValley Center, CA4 GWhNov 2013Dec 2025 Solar
RE Columbia 3 LLCMN8 Energy LLCMojave, CA23 GWhDec 2013Dec 2025 Solar
RE Rosamond Two LLCMN8 Energy LLCRosamond, CA49 GWhDec 2013Dec 2025 Solar
RE Rosamond One LLCMN8 Energy LLCRosamond, CA51 GWhDec 2013Dec 2025 Solar
RE Mustang LLCMN8 Energy LLCLemoore, CA221 GWhJul 2016Dec 2025 Solar

Balancing Authorities with Similar Net Generation

RankBalancing AuthorityAnnual Net Generation# Power Plants
#3Electric Reliability Council of Texas, Inc.494.1 TWh1,471
#5Southwest Power Pool306.8 TWh856
#6Southern Company Services, Inc. - Trans253.5 TWh422
#7California Independent System Operator169.4 TWh2,135
#9Tennessee Valley Authority163.4 TWh207
#10Florida Power & Light Co.152.2 TWh187
#12New York Independent System Operator134.3 TWh1,299
#13Duke Energy Carolinas112.6 TWh577
#15ISO New England111.1 TWh1,629
#16Bonneville Power Administration91.6 TWh167