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

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List of All California Independent System Operator Power Plants

Displaying Results 401 to 500 of 1,357
Plant NameUtilityLocationAnnual GenerationPlant DateLast UpdateFuel Types
Spring GapPacific Gas & Electric Co.Long Barn, CA30 GWhAug 1921Nov 2024 Water
BeldenPacific Gas & Electric Co.Belden, CA365 GWhAug 1969Nov 2024 Water
Bucks CreekPacific Gas & Electric Co.Storrie, CA96 GWhFeb 1928Mar 2024 Water
Spaulding 3Pacific Gas & Electric Co.Emigrant Gap, CA16 GWhJan 1929Dec 2024 Water
Pit 6Pacific Gas & Electric Co.Montgomery Creek, CA242 GWhJul 1965Dec 2024 Water
StanislausPacific Gas & Electric Co.Vallecito, CA316 GWhFeb 1963Oct 2024 Water
Spaulding 1Pacific Gas & Electric Co.Emigrant Gap, CA18 GWhApr 1928Dec 2024 Water
A G WishonPacific Gas & Electric Co.North Fork, CA22 GWhAug 1910Dec 2024 Water
Pit 7Pacific Gas & Electric Co.Montgomery Creek, CA343 GWhAug 1965Apr 2025 Water
WisePacific Gas & Electric Co.Auburn, CA31 GWhFeb 1917Oct 2024 Water
Dutch FlatPacific Gas & Electric Co.Alta, CA27 GWhFeb 1943Dec 2024 Water
Westside Solar StationPacific Gas & Electric Co.Five Points, CA14 GWhJul 2011Dec 2024 Solar
PoePacific Gas & Electric Co.Storrie, CA279 GWhSep 1958Apr 2025 Water
Rock CreekPacific Gas & Electric Co.Storrie, CA604 GWhFeb 1950Apr 2025 Water
Salt SpringsPacific Gas & Electric Co.Pioneer, CA108 GWhMay 1931Dec 2024 Water
Tiger CreekPacific Gas & Electric Co.Pioneer, CA225 GWhMay 1931Dec 2024 Water
West Point PHPacific Gas & Electric Co.Pioneer, CA89 GWhOct 1948Jun 2024 Water
Huron Solar StationPacific Gas & Electric Co.Huron, CA29 GWhMay 2012Dec 2024 Solar
Stroud Solar StationPacific Gas & Electric Co.Helm, CA25 GWhAug 2011Oct 2024 Solar
Cantua Solar StationPacific Gas & Electric Co.TBD, CA31 GWhMay 2012Dec 2024 Solar
GiffenPacific Gas & Electric Co.TBD, CA14 GWhMay 2012Dec 2024 Solar
Five Points Solar StationPacific Gas & Electric Co.Five Points, CA15 GWhAug 2011Dec 2024 Solar
SouthPacific Gas & Electric Co.Manton, CA13 GWhNov 1979Dec 2024 Water
Drum 1Pacific Gas & Electric Co.Alta, CA46 GWhOct 1913Oct 2024 Water
Alta PowerhousePacific Gas & Electric Co.Alta, CA1 GWhOct 1902Dec 2024 Water
Diablo CanyonPacific Gas & Electric Co.Avila Beach, CA18 TWhApr 1985Apr 2025 Nuclear
Volta 2Pacific Gas & Electric Co.Manton, CA3 GWhOct 1981Dec 2024 Water
Drum 2Pacific Gas & Electric Co.Alta, CA149 GWhNov 1965Dec 2024 Water
Caribou 1Pacific Gas & Electric Co.Belden, CA221 GWhMay 1921Dec 2024 Water
Vaca Dixon Solar StationPacific Gas & Electric Co.Vacaville, CA3 GWhNov 2009Dec 2024 Solar
Caribou 2Pacific Gas & Electric Co.Belden, CA338 GWhOct 1958Apr 2025 Water
HalseyPacific Gas & Electric Co.Auburn, CA8 GWhNov 1916Oct 2024 Water
Balch 2Pacific Gas & Electric Co.Balch Camp, CA443 GWhOct 1958Dec 2024 Water
De SablaPacific Gas & Electric Co.Magalia, CA23 GWhJan 1963Dec 2024 Water
CrestaPacific Gas & Electric Co.Storrie, CA338 GWhOct 1949Dec 2024 Water
Hat Creek 1Pacific Gas & Electric Co.Burney, CA27 GWhJul 1921Dec 2024 Water
Guernsey Solar StationPacific Gas & Electric Co.Hanford, CA23 GWhJul 2013Dec 2024 Solar
West Gates Solar StationPacific Gas & Electric Co.Huron, CA19 GWhApr 2013Dec 2024 Solar
Coleman PHPacific Gas & Electric Co.Anderson, CA27 GWhMay 1979Dec 2024 Water
Gates Solar StationPacific Gas & Electric Co.Huron, CA32 GWhMay 2013Dec 2024 Solar
Hat Creek 2Pacific Gas & Electric Co.Burney, CA26 GWhAug 1921Dec 2024 Water
Pit 5Pacific Gas & Electric Co.Big Bend, CA528 GWhMar 1944Apr 2025 Water
NewcastlePacific Gas & Electric Co.Auburn, CA7 GWhNov 1986Dec 2024 Water
Pit 4Pacific Gas & Electric Co.Big Bend, CA387 GWhJun 1955Apr 2025 Water
Pit 3Pacific Gas & Electric Co.Burney, CA333 GWhJun 1925Dec 2024 Water
Kerckhoff 2Pacific Gas & Electric Co.Auberry, CA408 GWhApr 1983Apr 2025 Water
ToadtownPacific Gas & Electric Co.Magalia, CA2 GWhMar 1986Oct 2024 Water
Pit 1Pacific Gas & Electric Co.Burney, CA188 GWhAug 1922Dec 2024 Water
Butt ValleyPacific Gas & Electric Co.Belden, CA149 GWhNov 1958Dec 2024 Water
Gateway Generating StationPacific Gas & Electric Co.Antioch, CA3 TWhDec 2008Apr 2025 Natural Gas
PhoenixPacific Gas & Electric Co.Sonora, CA8 GWhJan 1940Oct 2024 Water
Kings River PHPacific Gas & Electric Co.Balch Camp, CA107 GWhFeb 1962Dec 2024 Water
Colusa Generating StationPacific Gas & Electric Co.Maxwell, CA3 TWhNov 2010Apr 2025 Natural Gas
James B BlackPacific Gas & Electric Co.Big Bend, CA433 GWhNov 1965Apr 2025 Water
Balch 1Pacific Gas & Electric Co.Balch Camp, CA139 GWhJan 1927Dec 2024 Water
Humboldt BayPacific Gas & Electric Co.Eureka, CA365 GWhAug 2010Apr 2025 Natural Gas : 99.6%
ElectraPacific Gas & Electric Co.Jackson, CA245 GWhMay 1948Apr 2025 Water
Oxnard Wastewater Treatment PlantOxnard City ofOxnard, CA4 GWhJul 1981Apr 2025 Other Biomass Gas : 94.0% Natural Gas : 6.0%
Otay Mesa Generating ProjectOtay Mesa Energy Center LLCSan Diego, CA2 TWhSep 2009Apr 2025 Natural Gas
Ormond BeachOrmond Beach Power, LLCOxnard, CA50 GWhJul 1971Apr 2025 Natural Gas
Mammoth G3Ormat Nevada IncMammoth Lakes, CA103 GWhNov 1990Dec 2024 Geothermal
Mammoth G1Ormat Nevada IncMammoth lakes, CA60 GWhNov 1984Dec 2024 Geothermal
Mammoth G2Ormat Nevada IncMammoth Lakes, CA82 GWhNov 1990Dec 2024 Geothermal
Dixie ValleyOrmat Nevada IncFallon, NV296 GWhMay 1988Apr 2025 Geothermal
Orion Solar IIOrion Solar II, LLCArvin, CA19 GWhMay 2014Dec 2024 Solar
Orion Solar IOrion Solar I LLCArvin, CA28 GWhMar 2014Dec 2024 Solar
OES Biogas PowerOrganic Energy Solutions, Inc.San Bernardino, CA5 GWh-Dec 2024 Other Biomass Gas
Orange Grove Peaking FacilityOrange Grove Energy LPPala, CA24 GWhMay 2010Dec 2024 Natural Gas
Kings River SyphonOrange Cove Irrigation DistrictSanger, CA325 MWhAug 1990May 2024 Water
Plant No 2 Orange CountyOrange County Sanitation DistHuntington Beach, CA59 GWhMay 1993Dec 2024 Other Biomass Gas : 73.9% Natural Gas : 26.1%
Plant No 1 Orange CountyOrange County Sanitation DistFountain Valley, CA40 GWhMay 1993Dec 2024 Other Biomass Gas : 80.1% Natural Gas : 19.9%
SeaWorld AquaticaOnyx Asset Services GroupChula Vista, CA2 GWhApr 2018Dec 2023 Solar
RE Columbia Two, LLCOnward EnergyMojave, CA40 GWhNov 2014Dec 2024 Solar
RE Kent South, LLCOnward EnergyLemoore, CA44 GWhNov 2014Dec 2024 Solar
RE Old River One, LLCOnward EnergyBakersfield, CA36 GWhNov 2014Dec 2024 Solar
Cottonwood Solar, LLC Cottonwood CarportOnward EnergyNovato, CA2 GWhApr 2016Dec 2024 Solar
Maricopa West Solar PV, LLCOnward EnergyTaft, CA48 GWhNov 2015Dec 2024 Solar
Alamo SolarOnward EnergyOro Grande, CA48 GWhApr 2015Dec 2024 Solar
Catalina Solar 2, LLCOnward EnergyRosamond, CA53 GWhJul 2015Dec 2024 Solar
Cottonwood Solar, LLC (Goose Lake)Onward EnergyLost Hills, CA32 GWhApr 2015Dec 2024 Solar
Cottonwood Solar, LLC (City of Corcoran)Onward EnergyCorcoran, CA23 GWhApr 2015Dec 2024 Solar
TA-Acacia, LLCOnward EnergyLancaster, CA52 GWhOct 2014Dec 2024 Solar
RE Camelot LLCOnward EnergyMojave, CA125 GWhNov 2014Dec 2024 Solar
RE Kansas Solar, LLCOnward EnergyLemoore, CA36 GWhNov 2014Dec 2024 Solar
RE Adams East, LLCOnward EnergyFresno, CA39 GWhNov 2014Dec 2024 Solar
CID Solar, LLCOnward EnergyCorcoran, CA45 GWhNov 2014Dec 2024 Solar
One Ten Partners PVOne Ten Partners, LLCPalmdale, CA6 GWhAug 2017Dec 2024 Solar
OlsenOlsen Power PartnersWhitmore, CA14 GWhDec 1989Dec 2024 Water
Agnews Power PlantOLS Energy-Agnews Inc.San Jose, CA10 GWhOct 1990Dec 2024 Natural Gas
Rio Bravo Hydro ProjectOlcese Water DistrictBakersfield, CA35 GWhApr 1989Oct 2024 Water
OK Produce Fresno CarportOK ProduceFresno, CA4 GWhDec 2018Dec 2024 Solar
Oakley Solar ProjectOakley Solar Project LLCOakley, CA2 GWhMay 2013Dec 2023 Solar
BeardsleyOakdale&South San Joaquin Irrigation D.None, CA56 GWhApr 1957Dec 2024 Water
DonnellsOakdale&South San Joaquin Irrigation D.None, CA219 GWhMay 1957Dec 2024 Water
TullochOakdale&South San Joaquin Irrigation D.Jamestown, CA104 GWhMay 1958Dec 2024 Water
Solar Borrego INRG Solar Borrego IBorrego Springs, CA62 GWhJan 2013Dec 2024 Solar
Solar Blythe 2NRG Solar Blythe II LLCBlythe, CA38 GWhMar 2017Dec 2024 Solar
Solar Blythe LLCNRG Solar BlytheBlythe, CA42 GWhNov 2009Dec 2024 Solar
El Segundo Energy Center LLCNRG Energy Services LLCEl Segundo, CA141 GWhJun 2013Apr 2025 Natural Gas
Ivanpah 1NRG Energy ServicesNipton, CA179 GWhNov 2013Apr 2025 Solar : 96.4% Natural Gas : 3.6%

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