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 Authority	California Independent System Operator
States	Arizona California Nevada
Last Update	Nov 2024
Annual Generation	191.5 TWh
Power Plants	1,943
Utilities	893
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 \| 45.6% Solar \| 23.1% Water \| 12.1% Wind \| 10% Nuclear \| 9%

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

Plant Name	Utility	Location	Annual Generation	Plant Date	Last Update	Fuel Types
RE Mustang LLC	MN8 Energy LLC	Lemoore, CA	150 GWh	Jul 2016	Dec 2023	Solar
RE Kent South, LLC	Onward Energy	Lemoore, CA	41 GWh	Nov 2014	Dec 2023	Solar
RE Kansas South LLC	RE Kansas South LLC	Lemoore, CA	51 GWh	May 2013	Dec 2023	Solar
RE Kansas Solar, LLC	Onward Energy	Lemoore, CA	39 GWh	Nov 2014	Dec 2023	Solar
RE Gaskell West 5 LLC	RE Gaskell West LLC	Rosamond, CA	44 GWh	Apr 2023	Dec 2023	Solar
RE Gaskell West 4 LLC	RE Gaskell West LLC	Rosamond, CA	44 GWh	Apr 2023	Dec 2023	Solar
RE Gaskell West 3 LLC	RE Gaskell West LLC	Rosamond, CA	46 GWh	Apr 2023	Dec 2023	Solar
RE Gaskell West 2 LLC	RE Gaskell West LLC	Rosamond, CA	95 GWh	Apr 2023	Aug 2024	Solar
RE Garland A	Southern Power Co	Rosamond, CA	48 GWh	Aug 2016	Dec 2023	Solar
RE Garland	Southern Power Co	Rosamond, CA	384 GWh	Oct 2016	Dec 2023	Solar
RE Columbia Two, LLC	Onward Energy	Mojave, CA	34 GWh	Nov 2014	Dec 2023	Solar
RE Columbia 3 LLC	MN8 Energy LLC	Mojave, CA	22 GWh	Dec 2013	Dec 2023	Solar
RE Camelot LLC	Onward Energy	Mojave, CA	118 GWh	Nov 2014	Dec 2023	Solar
RE Astoria 2	RE Astoria 2 LLC	Rosamond, CA	163 GWh	Nov 2016	Aug 2024	Solar
RE Astoria	RE Astoria LLC	Rosamond, CA	238 GWh	Nov 2016	Aug 2024	Solar
RE Adams East, LLC	Onward Energy	Fresno, CA	30 GWh	Nov 2014	Dec 2023	Solar
RCWD PV Project	MN8 Energy LLC	Murrieta, CA	8 GWh	May 2016	Dec 2023	Solar
Ratkovich Alhambra	Bloom Energy	Alhambra, CA	8 GWh	Nov 2018	Dec 2023	Natural Gas
Rancho Cucamonga Dist #1	Altus Power America Management, LLC	Rancho Cucamonga, CA	2 GWh	Mar 2015	Dec 2023	Solar
Ramona Solar Energy	San Diego Gas & Electric Co	Ramona, CA	3 GWh	Mar 2017	Dec 2023	Solar
Ramona 2	MN8 Energy LLC	Ramona, CA	9 GWh	Nov 2013	Dec 2023	Solar
Ramona 1	MN8 Energy LLC	Ramona, CA	4 GWh	Nov 2013	Dec 2023	Solar
Ralston	Placer County Water Agency	Foresthill, CA	460 GWh	Sep 1966	Dec 2023	Water
Radiance Solar 5	Greenbacker Renewable Energy Corporation	Lancaster, CA	3 GWh	Jun 2013	Mar 2023	Solar
Radiance Solar 4	Greenbacker Renewable Energy Corporation	Lancaster, CA	3 GWh	Jun 2013	Dec 2023	Solar
Raceway Solar & Storage	AES Clean Energy	Lancaster, CA	160 GWh	-	Aug 2024	Solar
Rabbitbrush Solar, LLC	Leeward Asset Management, LLC	Rosamond, CA	257 GWh	Sep 2022	Aug 2024	Solar
R C Kirkwood	City & County of San Francisco	Groveland, CA	438 GWh	Jan 1967	Aug 2024	Water
Quinto Solar PV Project	Arevon Energy, Inc.	Gustine, CA	214 GWh	Oct 2015	Dec 2023	Solar
Q Plant	Qualcomm Incorporated	San Diego, CA	27 MWh	Jun 2013	Aug 2024	Natural Gas
PVN Milliken, LLC	PVN Milliken, LLC	Ontario, CA	5 GWh	May 2017	Dec 2023	Solar
Putah Creek Solar Farm North	Putah Creek Solar Farms LLC	Winters, CA	5 GWh	Sep 2022	Dec 2022	Solar
Putah Creek Solar Farm	Solvida Energy Group/Blue Oak Energy	Winters, CA	5 GWh	Nov 2014	Dec 2022	Solar
Pumpjack Solar I	Duke Energy Renewables Services	McKittrick, CA	44 GWh	Dec 2014	Dec 2023	Solar
Puente Hills Energy Recovery	Los Angeles County Sanitation	Whittier, CA	159 GWh	Sep 1986	Aug 2024	Landfill Gas
PSREC/SIAD Solar	Plumas Sierra Rural Electric Coop	Herlong, CA	5 GWh	Aug 2018	Dec 2023	Solar
Proxima	Proxima Solar, LLC	Crows Landing, CA	172 GWh	-	Aug 2024	Solar
Prologis L.P	EnterSolar	Tracy, CA	3 GWh	Jul 2018	Dec 2023	Solar
Preferred Freezer San Leandro	EnterSolar	San Leandro, CA	3 GWh	Jun 2017	Dec 2023	Solar
Powhatan Solar Power Generation Station 1 LLC	AES Distributed Energy	Apple Valley, CA	4 GWh	Nov 2013	Dec 2023	Solar
Power Generation Station (PGS) 2	East Bay Municipal Util Dist	Oakland, CA	20 GWh	Nov 2011	Dec 2023	Other Biomass Gas
Potrero Hills Energy Producers	Potrero Hills Energy Producers, LLC	Suisun City, CA	59 GWh	Mar 2016	Dec 2023	Landfill Gas
Porterville Solar	Altus Power America Management, LLC	Porterville, CA	6 GWh	Dec 2013	Dec 2023	Solar
Porterville 6 and 7	Arevon Energy, Inc.	Porterville, CA	3 GWh	Jun 2014	Dec 2023	Solar
Portal Ridge Solar C, LLC	Portal Ridge Solar, LLC	Lancaster, CA	17 GWh	Jan 2017	Dec 2023	Solar
Portal Ridge Solar B, LLC	Portal Ridge Solar, LLC	Lancaster, CA	39 GWh	Jan 2017	Dec 2023	Solar
Portal	Southern California Edison Co	Lakeshore, CA	21 GWh	Nov 1956	Dec 2023	Water
Poole	Southern California Edison Co	Lee Vining, CA	36 GWh	Apr 1924	Dec 2023	Water
Ponderosa Bailey Creek	Snow Mountain Hydro LLC	Manton, CA	3 GWh	Feb 1990	Dec 2023	Water
POM Plant 2	Wonderful Renewable Energy, LLC.	Del Rey, CA	292 MWh	Nov 2021	Dec 2023	Solar
POM Plant 1	Wonderful Renewable Energy, LLC.	Del Rey, CA	2 GWh	Nov 2021	Dec 2023	Solar
POM Juice Solar	Wonderful Renewable Energy, LLC.	Fresno, CA	352 MWh	Jun 2021	Dec 2023	Solar
POM Beverage Solar	Wonderful Renewable Energy, LLC.	Del Rey, CA	4 GWh	Jun 2021	Dec 2023	Solar
Point Wind	Terra-Gen Operating Co-Wind	Tehachapi, CA	237 GWh	Feb 2021	Aug 2024	Wind
Poe	Pacific Gas & Electric Co.	Storrie, CA	609 GWh	Sep 1958	Aug 2024	Water
Pleasanton - Amador Valley High School	Westbound Solar LLC	Pleasanton, CA	2 GWh	Oct 2019	Dec 2022	Solar
Plant No 2 Orange County	Orange County Sanitation Dist	Huntington Beach, CA	59 GWh	May 1993	Dec 2023	Other Biomass Gas : 77.5% Natural Gas : 22.5%
Plant No 1 Orange County	Orange County Sanitation Dist	Fountain Valley, CA	39 GWh	May 1993	Dec 2023	Other Biomass Gas : 80.7% Natural Gas : 19.3%
Pixar - Emeryville	Bloom Energy	Emeryville, CA	7 GWh	Dec 2013	Dec 2023	Natural Gas
Pit 7	Pacific Gas & Electric Co.	Montgomery Creek, CA	265 GWh	Aug 1965	Aug 2024	Water
Pit 6	Pacific Gas & Electric Co.	Montgomery Creek, CA	278 GWh	Jul 1965	Oct 2023	Water
Pit 5	Pacific Gas & Electric Co.	Big Bend, CA	370 GWh	Mar 1944	Aug 2024	Water
Pit 4	Pacific Gas & Electric Co.	Big Bend, CA	313 GWh	Jun 1955	Aug 2024	Water
Pit 3	Pacific Gas & Electric Co.	Burney, CA	345 GWh	Jun 1925	Dec 2023	Water
Pit 1	Pacific Gas & Electric Co.	Burney, CA	195 GWh	Aug 1922	Dec 2023	Water
Pio Pico Energy Center	Pio Pico Energy Center LLC	San Diego, CA	100 GWh	Oct 2016	Dec 2023	Natural Gas
Pinyon Pine II	Pinyon Pines Wind II, LLC	Mojave, CA	189 GWh	Oct 2012	Dec 2023	Wind
Pinyon Pine I	Pinyon Pines Wind I, LLC	Mojave, CA	248 GWh	Oct 2012	Dec 2023	Wind
Pine Flat	Kings River Conservation Dist	Piedra, CA	562 GWh	Dec 1983	Aug 2024	Water
Phoenix	Pacific Gas & Electric Co.	Sonora, CA	7 GWh	Jan 1940	Dec 2023	Water
Phillips 66 Rodeo Refinery	Phillips 66 Company	Rodeo, CA	291 GWh	Apr 1987	Aug 2024	Other Gas : 72.8% Natural Gas : 27.2%
Phillips 66 Carbon Plant	Phillips 66 Company	Rodeo, CA	50 GWh	Nov 1983	Jun 2023	Waste Heat
Phelan Pinon Hills CSD Solar	Phelan Pinon Hills Community Services District	Adelanto, CA	3 GWh	Oct 2015	Nov 2023	Solar
PFMG Solar Grossmont Helix LLC	Altus Power America Management, LLC	La Mesa, CA	2 GWh	Apr 2018	Dec 2023	Solar
Perris	Metropolitan Water District of S CA	Perris, CA	5 GWh	Apr 1983	Dec 2023	Water
Pebbly Beach Generating Station Hybrid	Southern California Edison Co	Avalon, CA	29 GWh	Jun 1958	Aug 2024	Distillate Fuel Oil : 94.4% Gaseous Propane : 5.6%
PE Berkeley	Berkeley Cogeneration Facility	Berkeley, CA	161 GWh	May 1987	Aug 2024	Natural Gas
Paulsell	Crow Creek Solar, LLC	Crows Landing, CA	15 GWh	-	Aug 2024	Solar
Pastoria Energy Facility, LLC	Calpine Corp - Pastoria Energy Center	Lebec, CA	4 TWh	Apr 2005	Aug 2024	Natural Gas
Parnassus Central Utility Plant	University of California-San Francisco	San Francisco, CA	69 GWh	Dec 1995	Aug 2024	Natural Gas
Parker	Merced Irrigation District	Snelling, CA	4 GWh	Mar 1982	Oct 2023	Water
Park Meridian #1	Altus Power America Management, LLC	Riverside, CA	2 GWh	Feb 2015	Dec 2023	Solar
Pardee	East Bay Municipal Util Dist	Valley Springs, CA	182 GWh	Jun 1930	Dec 2023	Water
Panoche Valley Solar Farm	Consolidated Edison Development Inc.	Paicines, CA	298 GWh	Dec 2017	Aug 2024	Solar
Panoche Peaker	Wellhead Services, Inc	Firebaugh, CA	2 GWh	Jul 1973	Dec 2023	Natural Gas
Panoche Energy Center	Panoche Energy Center, LLC	Firebaugh, CA	1 TWh	May 2009	Aug 2024	Natural Gas
Palomar Energy	San Diego Gas & Electric Co	Escondido, CA	1 TWh	Sep 2005	Aug 2024	Natural Gas
Palo Verde College	Scale Sustainable I, LLC	Blythe, CA	2 GWh	Jul 2009	Dec 2023	Solar
Painted Hills Wind Park	Terra-Gen Operating Co-Wind	Whitewater, CA	178 GWh	Oct 1985	Aug 2024	Wind
Pacific Wind LLC	EDF Renewable Asset Holdings, Inc.	Rosamond, CA	264 GWh	Jul 2012	Dec 2023	Wind
Pacific-Ultrapower Chinese Station	IHI Power Services Corp	Jamestown, CA	136 GWh	Sep 1986	Aug 2024	Wood/Wood Waste Solids : 99.6%
Pacific Ethanol Madera Solar Array	Seaboard Energy California, LLC	Madera, CA	1 GWh	Jul 2018	Dec 2023	Solar
P Plant	Qualcomm Incorporated	San Diego, CA	30 GWh	Feb 2007	Jul 2024	Natural Gas
Oxnard Wastewater Treatment Plant	Oxnard City of	Oxnard, CA	6 GWh	Jul 1981	Aug 2024	Other Biomass Gas : 87.7% Natural Gas : 12.3%
Oxnard Paper Mill	New-Indy, Oxnard LLC	Oxnard, CA	193 GWh	Feb 1986	Aug 2024	Natural Gas
Oxnard	Procter&Gamble Paper Products Co-Oxnard	Oxnard, CA	484 GWh	Jun 1982	Aug 2024	Natural Gas
Oxbow (CA)	Placer County Water Agency	Foresthill, CA	14 GWh	Sep 1966	Dec 2023	Water
Otoe Solar Power Generation Station 1 LLC	AES Distributed Energy	Apple Valley, CA	4 GWh	Nov 2013	Dec 2023	Solar
Otay Mesa Generating Project	Otay Mesa Energy Center LLC	San Diego, CA	2 TWh	Sep 2009	Aug 2024	Natural Gas
Oroville Cogeneration LP	Oroville Cogeneration LP	Oroville, CA	235 MWh	Dec 1989	Dec 2023	Natural Gas

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#28	Arizona Public Service Company	21.8 TWh	75
#52	Arlington Valley, LLC	3.6 TWh	1
#35	Balancing Authority of Northern California	15.2 TWh	83
#48	Imperial Irrigation District	5.7 TWh	65
#33	Los Angeles Department of Water and Power	15.9 TWh	120
#22	Nevada Power Company	37.6 TWh	136
#56	New Harquahala Generating Company, LLC	2.9 TWh	1
#18	Salt River Project Agricultural Improvement and Power District	59.0 TWh	45
#57	Turlock Irrigation District	2.3 TWh	11
#41	Western Area Power Administration - Desert Southwest Region	8.6 TWh	30

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#3	Electric Reliability Council of Texas, Inc.	461.0 TWh	1,139
#5	Southwest Power Pool	290.4 TWh	762
#6	Southern Company Services, Inc. - Trans	247.9 TWh	393
#7	California Independent System Operator	191.5 TWh	1,943
#9	Tennessee Valley Authority	157.5 TWh	170
#10	Florida Power & Light Co.	147.7 TWh	159
#12	New York Independent System Operator	130.0 TWh	1,100
#13	Duke Energy Carolinas	110.9 TWh	556
#15	ISO New England	102.8 TWh	1,487
#16	Bonneville Power Administration	80.0 TWh	158