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
Starbucks - Evolution Fresh	Bloom Energy	Rancho Cucamonga, CA	4 GWh	May 2014	Dec 2023	Natural Gas
Staples La Mirada, CA	SunE WF3-ST Holdings, LLC	La Mirada, CA	2 GWh	Feb 2009	Dec 2023	Solar
Stanton Energy Reliability Center Hybrid	Wellhead Services, Inc	Stanton, CA	2 GWh	Jun 2020	Aug 2024	Natural Gas
Stanislaus	Pacific Gas & Electric Co.	Vallecito, CA	334 GWh	Feb 1963	Dec 2023	Water
Stanford Campus Solar	MN8 Energy LLC	Stanford, CA	6 GWh	Feb 2017	Dec 2023	Solar
Stage Gulch Solar	Stage Gulch Solar, LLC	Petaluma, CA	2 GWh	Mar 2018	Dec 2023	Solar
SRI International Cogen Project	IPT SRI Cogeneration Inc	Menlo Park, CA	27 GWh	Mar 1987	Aug 2024	Natural Gas
Springville Hydroelectric	Calleguas Mun Water District	Camarillo, CA	363 MWh	Feb 1994	Dec 2023	Water
Springs Generating Station	City of Riverside - (CA)	Riverside, CA	11 GWh	Jun 2002	Dec 2023	Natural Gas
Spring Gap	Pacific Gas & Electric Co.	Long Barn, CA	31 GWh	Aug 1921	Dec 2023	Water
Spicer Meadow Project	Northern California Power Agny	Murphys, CA	30 GWh	Oct 1989	Dec 2023	Water
SPI Anderson 2	Sierra Pacific Industries	Anderson, CA	142 GWh	Jul 2015	Dec 2023	Wood/Wood Waste Solids : 99.8%
Spaulding 3	Pacific Gas & Electric Co.	Emigrant Gap, CA	18 GWh	Jan 1929	Dec 2023	Water
Spaulding 2	Pacific Gas & Electric Co.	Emigrant Gap, CA	7 GWh	Jun 1928	Mar 2023	Water
Spaulding 1	Pacific Gas & Electric Co.	Emigrant Gap, CA	37 GWh	Apr 1928	Dec 2023	Water
Southeast Resource Recovery	SERRF Joint Powers Authority	Long Beach, CA	90 GWh	Jun 1988	Mar 2024	Non-biogenic Municipal Solid Waste : 51.7% Biogenic Municipal Solid Waste : 42.3% Natural Gas : 6.1%
Southeast Kern River Cogen	Chevron USA Inc	Bakersfield, CA	96 GWh	Jan 1989	Aug 2024	Natural Gas
South Belridge Cogeneration Facility	AERA Energy LLC	McKittrick, CA	488 GWh	Nov 1985	Aug 2024	Natural Gas
South	Pacific Gas & Electric Co.	Manton, CA	18 GWh	Nov 1979	Dec 2023	Water
Soscol Ferry Solar	Soscol Ferry Solar	Napa, CA	4 GWh	Nov 2020	Dec 2023	Solar
Sonora 1	Greenbacker Renewable Energy Corporation	Jamestown, CA	3 GWh	Nov 2013	Dec 2023	Solar
Sonoma Central Landfill Phase II	County of Sonoma Dept of Trnsp	Petaluma, CA	7 GWh	May 1996	Dec 2023	Landfill Gas
Sonoma Central Landfill Phase I	County of Sonoma Dept of Trnsp	Petaluma, CA	8 GWh	Jun 1993	Dec 2023	Landfill Gas
Sonoma California Geothermal	Geysers Power Co LLC	Middletown, CA	432 GWh	Nov 1983	Dec 2023	Geothermal
Solverde 1	AES Distributed Energy	Lancaster, CA	193 GWh	Nov 2016	Aug 2024	Solar
Solar Star Palo Alto I, LLC	DG 1 Acquisition Co., LLC	Palo Alto, CA	2 GWh	Jul 2019	Dec 2023	Solar
Solar Star California, XLIV, LLC	MN8 Energy LLC	Pearblossom, CA	24 GWh	Nov 2016	Dec 2023	Solar
Solar Star California, XLI, LLC	MN8 Energy LLC	Rosamond, CA	148 GWh	Nov 2016	Aug 2024	Solar
Solar Star 2	Solar Star California XX, LLC	Rosamond, CA	701 GWh	Feb 2014	Aug 2024	Solar
Solar Star 1	Solar Star California XIX, LLC	Rosamond, CA	869 GWh	Feb 2014	Aug 2024	Solar
Solar Photovoltaic Project #48	Southern California Edison Co	Redlands, CA	3 GWh	Jan 2015	Apr 2023	Solar
Solar Photovoltaic Project #42	Southern California Edison Co	Tulare, CA	7 GWh	Oct 2012	Dec 2023	Solar
Solar Photovoltaic Project #33	Southern California Edison Co	Ontario, CA	1 GWh	Dec 2014	Apr 2023	Solar
Solar Photovoltaic Project #32	Southern California Edison Co	Ontario, CA	1 GWh	Jan 2015	Apr 2023	Solar
Solar Photovoltaic Project #28	Southern California Edison Co	San Bernardino, CA	2 GWh	Jan 2015	Apr 2023	Solar
Solar Photovoltaic Project #27	Southern California Edison Co	Rialto, CA	845 MWh	Jan 2015	Apr 2023	Solar
Solar Photovoltaic Project #26	Southern California Edison Co	Rialto, CA	5 GWh	Jan 2015	Apr 2023	Solar
Solar Photovoltaic Project #23	Southern California Edison Co	Fontana, CA	1 GWh	Dec 2012	Apr 2023	Solar
Solar Photovoltaic Project #22	Southern California Edison Co	Redlands, CA	330 MWh	Jul 2011	Mar 2023	Solar
Solar Photovoltaic Project #18	Southern California Edison Co	Fontana, CA	1 GWh	Oct 2012	Mar 2023	Solar
Solar Photovoltaic Project #17	Southern California Edison Co	Fontana, CA	3 GWh	Dec 2014	Apr 2023	Solar
Solar Photovoltaic Project #16	Southern California Edison Co	Redlands, CA	1 GWh	Jan 2015	Mar 2023	Solar
Solar Photovoltaic Project #15	Southern California Edison Co	Fontana, CA	1 GWh	Dec 2012	Apr 2023	Solar
Solar Photovoltaic Project #13	Southern California Edison Co	Redlands, CA	2 GWh	Jan 2015	Apr 2023	Solar
Solar Photovoltaic Project #11	Southern California Edison Co	Redlands, CA	3 GWh	Jan 2015	Apr 2023	Solar
Solar Photovoltaic Project #10	Southern California Edison Co	Fontana, CA	764 MWh	Dec 2012	Mar 2023	Solar
Solar Photovoltaic Project #09	Southern California Edison Co	Ontario, CA	581 MWh	Jul 2011	Mar 2023	Solar
Solar Photovoltaic Project #08	Southern California Edison Co	Ontario, CA	742 MWh	Jul 2011	Mar 2023	Solar
Solar Photovoltaic Project #07	Southern California Edison Co	Redlands, CA	2 GWh	Oct 2012	Apr 2023	Solar
Solar Photovoltaic Project #06	Southern California Edison Co	Ontario, CA	687 MWh	Jul 2011	Mar 2023	Solar
Solar Photovoltaic Project #05	Southern California Edison Co	Redlands, CA	1 GWh	Oct 2012	Apr 2023	Solar
Solar Photovoltaic Project #03	Southern California Edison Co	Rialto, CA	453 MWh	Feb 2011	Apr 2023	Solar
Solar Photovoltaic Project #02	Southern California Edison Co	Chino, CA	483 MWh	Nov 2009	Apr 2023	Solar
Solar Oasis LLC	Solar Oasis, LLC	Palmdale, CA	51 GWh	Dec 2015	Dec 2023	Solar
Solar Gen 2 Solar Facility	Southern Power Co	Calipatria, CA	377 GWh	Oct 2014	Dec 2023	Solar
Solar Borrego I	NRG Solar Borrego I	Borrego Springs, CA	65 GWh	Jan 2013	Dec 2023	Solar
Solar Blythe LLC	NRG Solar Blythe	Blythe, CA	41 GWh	Nov 2009	Dec 2023	Solar
Solar Blythe 2	NRG Solar Blythe II LLC	Blythe, CA	41 GWh	Mar 2017	Dec 2023	Solar
Solar Blue	Westlands Solar Blue (OZ) Owner, LLC	Lemoore, CA	502 GWh	Nov 2023	Aug 2024	Solar : 94.4% Electricity used for energy storage : 5.6%
Solano Wind	Sacramento Municipal Util Dist	Rio Vista, CA	574 GWh	May 1994	Aug 2024	Wind
Solano County Cogen Plant	Solano County	Fairfield, CA	8 GWh	May 1989	Dec 2023	Natural Gas
Soboba Community Solar Project	Soboba Band of Luiseno Indians	San Jacinto, CA	3 GWh	Jul 2016	Dec 2023	Solar
Sly Creek	South Feather Water and Power Agency	Forbestown, CA	41 GWh	Jun 1983	Dec 2023	Water
Slate Hybrid	MN8 Energy LLC	Stratford, CA	656 GWh	Oct 2021	Aug 2024	Solar
Sky River Wind Energy Center	Sky River Wind LLC	Tehachapi, CA	202 GWh	Jan 1991	Dec 2023	Wind
SJ/SC WPCP	San Jose/Santa Clara Water P C	San Jose, CA	82 GWh	Jan 1953	Aug 2024	Other Biomass Gas : 50.4% Natural Gas : 49.5%
Site 980 65	Madera-Chowchilla Power Auth	Madera, CA	6 GWh	Jan 1985	Nov 2023	Water
Silver State Solar Power South	Silver State Solar Power South, LLC	Primm Valley, NV	648 GWh	Oct 2015	Aug 2024	Solar
Silveira Ranch Road Solar	Silveira Ranch Road Solar	Novato, CA	5 GWh	Feb 2021	Mar 2023	Solar
Silicon Valley Clean Water	Silicon Valley Clean Water	Redwood City, CA	5 GWh	Feb 2015	Dec 2023	Other Biomass Gas : 95.6% Natural Gas : 4.4%
Signal Hill West Unit	Signal Hill Petroleum, Inc	Signal Hill, CA	35 GWh	Jun 2004	Aug 2024	Other Gas
Sierra Solar Greenworks	AES Distributed Energy	Lancaster, CA	34 GWh	Oct 2015	Dec 2023	Solar
Sierra Pacific Sonora	Sierra Pacific Industries	Standard, CA	34 GWh	Jan 2001	Dec 2023	Wood/Wood Waste Solids
Sierra Pacific Quincy Facility	Sierra Pacific Industries	Quincy, CA	171 GWh	Nov 1986	Dec 2023	Wood/Wood Waste Solids
Sierra Pacific Lincoln Facility	Sierra Pacific Industries	Lincoln, CA	88 GWh	Feb 2004	Dec 2023	Wood/Wood Waste Solids
Sierra Pacific Industries (2042-RD)	Sierra Pacific Industries	Red Bluff, CA	17 GWh	Apr 2020	Dec 2023	Solar
Sierra Pacific Chinese Camp	Sierra Pacific Industries	Chinese Camp, CA	5 GWh	Feb 2022	Dec 2023	Solar
Sierra Pacific Burney Facility	Sierra Pacific Industries	Burney, CA	94 GWh	Sep 1986	Dec 2023	Wood/Wood Waste Solids
Sierra Nevada Brewing Co Hybrid	Sierra Nevada Brewing Co	Chico, CA	9 GWh	Apr 2005	Dec 2023	Natural Gas : 75.4% Solar : 24.6%
Shiloh Wind Project 2 LLC	EDF Renewable Asset Holdings, Inc.	Birds Landing, CA	432 GWh	Dec 2008	Dec 2023	Wind
Shiloh IV Wind Project LLC	EDF Renewable Asset Holdings, Inc.	Birds Landing, CA	294 GWh	Nov 2012	Dec 2023	Wind
Shiloh III Wind Project LLC	EDF Renewable Asset Holdings, Inc.	Birds Landing, CA	276 GWh	Nov 2011	Dec 2023	Wind
Shiloh I Wind Project	Avangrid Renewables LLC	Rio Vista, CA	418 GWh	Apr 2006	Dec 2023	Wind
Shelter Creek Condominiums Solar	Vista Solar, Inc.	San Bruno, CA	3 GWh	Jan 2020	Dec 2023	Solar
Sheep Creek Community Solar Farm	Phelan Solar LLC	El Mirage, CA	2 GWh	Jul 2023	Dec 2023	Solar
Shasta Solar Farm	Ignite Solar Holdings LLC	Fall River Mills, CA	6 GWh	Feb 2014	Nov 2023	Solar
Shafter Solar LLC	Shafter Solar LLC	Bakersfield, CA	48 GWh	Apr 2015	Dec 2023	Solar
SFDK Solar	AES Distributed Energy	Vallejo, CA	10 GWh	Nov 2019	Dec 2023	Solar
SF Southeast Cogen Plant	City & County of San Francisco	San Francisco, CA	235 MWh	May 2002	Dec 2023	Other Biomass Gas
SEPV9 Power Plant	Duke Energy Renewables Services	Twentynine Palms, CA	24 GWh	May 2013	Dec 2023	Solar
SEPV Sierra	SEPV Sierra, LLC	Lancaster, CA	14 GWh	Mar 2020	Dec 2023	Electricity used for energy storage : 53.9% Solar : 46.1%
SEPV Palmdale East	AES Distributed Energy	Palmdale, CA	24 GWh	Jul 2015	Dec 2023	Solar
SEPV Mojave West	AES Distributed Energy	Mojave, CA	51 GWh	May 2016	Dec 2023	Solar
SEPV Cuyama Hybrid	SEPV Cuyama, LLC	New Cuyama, CA	107 MWh	Nov 2023	Dec 2023	Solar
SEPV 8	Duke Energy Renewables Services	Twentynine Palms, CA	33 GWh	May 2013	Dec 2023	Solar
SEPV 2	CVI CleanCapital Solar 1 LLC	Twentynine Palms, CA	4 GWh	May 2012	Dec 2023	Solar
SEPV 18	AES Distributed Energy	Palmdale, CA	5 GWh	Dec 2015	Dec 2023	Solar
SEPV 1	CVI CleanCapital Solar 1 LLC	Palmdale, CA	3 GWh	Apr 2012	Dec 2023	Solar
Sentinel Energy Center, LLC	Sentinel Energy Center LLC	Desert Hot Springs, CA	510 GWh	Apr 2013	Aug 2024	Natural Gas
SEGS IX	Terra-Gen Operating Co-Solar	Hinkley, CA	114 GWh	Aug 1990	Aug 2024	Solar

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