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
Rio Bravo Solar II LLC	Duke Energy Renewables Services	McKittrick, CA	48 GWh	Nov 2016	Dec 2023	Solar
RE Garland A	Southern Power Co	Rosamond, CA	48 GWh	Aug 2016	Dec 2023	Solar
Vega Solar	Vega Solar, LLC	Los Banos, CA	48 GWh	Feb 2015	Dec 2023	Solar
CED Ducor 1	Consolidated Edison Development Inc.	Ducor, CA	48 GWh	Nov 2016	Dec 2023	Solar
Rising Tree Wind Farm II	Rising Tree Wind Farm II LLC	Mojave, CA	48 GWh	Dec 2014	Dec 2023	Wind
NextEra Westside PV	Westside Solar, LLC	Five Points, CA	48 GWh	Feb 2017	Dec 2023	Solar
Calabasas Gas to Energy Facility	Los Angeles County Sanitation	Agoura, CA	47 GWh	Jun 2010	Dec 2023	Landfill Gas
Torrance Refining Company, LLC	Torrance Refining Company, LLC	Torrance, CA	47 GWh	Aug 1983	Aug 2024	Other Gas : 84.1% Waste Heat : 15.9%
Bayshore Solar A, LLC	AES Distributed Energy	Lancaster, CA	47 GWh	Nov 2017	Dec 2023	Solar
De Sabla	Pacific Gas & Electric Co.	Magalia, CA	47 GWh	Jan 1963	Dec 2023	Water
CED Ducor 2	Consolidated Edison Development Inc.	Ducor, CA	47 GWh	Nov 2016	Dec 2023	Solar
Antelope Expansion 1B	AES Distributed Energy	Lancaster, CA	47 GWh	Oct 2022	Dec 2023	Solar
CED Ducor 4	Consolidated Edison Development Inc.	Ducor, CA	47 GWh	Nov 2016	Dec 2023	Solar
Corcoran Solar 2	Consolidated Edison Development Inc.	Corcoran, CA	47 GWh	Apr 2015	Dec 2023	Solar
Dutch Flat 2	Nevada Irrigation District	Dutch Flat, CA	47 GWh	Oct 1965	Dec 2023	Water
Atwell Island West Solar	Consolidated Edison Development Inc.	Alpaugh, CA	47 GWh	Apr 2015	Dec 2023	Solar
Rio Bravo Solar 1 LLC	Duke Energy Renewables Services	McKittrick, CA	47 GWh	Nov 2016	Dec 2023	Solar
RE Gaskell West 3 LLC	RE Gaskell West LLC	Rosamond, CA	46 GWh	Apr 2023	Dec 2023	Solar
McSwain	Merced Irrigation District	Snelling, CA	46 GWh	Jun 1967	Oct 2023	Water
Antelope Big Sky Ranch	AES Distributed Energy	Lancaster, CA	46 GWh	Jul 2016	Dec 2023	Solar
Bayshore Solar C, LLC	AES Distributed Energy	Lancaster, CA	46 GWh	Nov 2017	Dec 2023	Solar
California Institute of Technology	California Institute-Technology	Pasadena, CA	45 GWh	Jul 2003	Aug 2024	Natural Gas
Algonquin SKIC20 Solar LLC	Algonquin Power Co	Taft, CA	45 GWh	Apr 2015	Dec 2023	Solar
Oasis Alta	Terra-Gen Operating Co-Wind	Mojave, CA	45 GWh	Mar 2021	Dec 2023	Wind
Glass House Camarillo Cultivation	Glass House Camarillo Cultivation	Camarillo, CA	45 GWh	Jul 2012	Dec 2023	Natural Gas
TA-High Desert LLC	TA-High Desert LLC	Lancaster, CA	45 GWh	Feb 2013	Dec 2023	Solar
White River Solar	Consolidated Edison Development Inc.	Alpaugh, CA	45 GWh	Jun 2013	Dec 2023	Solar
Little Bear 4	Little Bear Solar 4, LLC (Longroad)	Mendota, CA	45 GWh	Nov 2020	Aug 2024	Solar
Feather River Energy Center	Calpine Corp-Yuba City	Yuba City, CA	45 GWh	Dec 2002	Dec 2023	Natural Gas
Blacksand Generating Facility	Bridge Energy LLC	Brea, CA	45 GWh	May 2000	Dec 2023	Natural Gas
Catalina Solar 2, LLC	Onward Energy	Rosamond, CA	45 GWh	Jul 2015	Dec 2023	Solar
Ormond Beach	Ormond Beach Power, LLC	Oxnard, CA	45 GWh	Jul 1971	Aug 2024	Natural Gas
Bayshore Solar B, LLC	AES Distributed Energy	Lancaster, CA	45 GWh	Nov 2017	Dec 2023	Solar
Wildwood Solar I, LLC	Duke Energy Renewables Services	Wasco, CA	45 GWh	Jan 2015	Dec 2023	Solar
Windhub Solar A LLC	EDP Renewables North America LLC	Mojave, CA	45 GWh	Nov 2019	Dec 2023	Solar
Western Antelope Blue Sky Ranch A	AES Distributed Energy	Lancaster, CA	45 GWh	Oct 2014	Dec 2023	Solar
Coalinga Cogeneration Facility	Aera Energy LLC-Coalinga	Coalinga, CA	44 GWh	May 1988	Dec 2023	Natural Gas
RE Gaskell West 4 LLC	RE Gaskell West LLC	Rosamond, CA	44 GWh	Apr 2023	Dec 2023	Solar
RE Gaskell West 5 LLC	RE Gaskell West LLC	Rosamond, CA	44 GWh	Apr 2023	Dec 2023	Solar
Nicolis Solar PV Plant	Arevon Energy, Inc.	Delano, CA	44 GWh	Aug 2016	Dec 2023	Solar
Pumpjack Solar I	Duke Energy Renewables Services	McKittrick, CA	44 GWh	Dec 2014	Dec 2023	Solar
El Nido Facility	Merced Power LLC	El Nido, CA	44 GWh	Jul 2008	Feb 2023	Wood/Wood Waste Solids : 99.8%
Alamo Solar	Onward Energy	Oro Grande, CA	44 GWh	Apr 2015	Dec 2023	Solar
Chili Bar	Sacramento Municipal Util Dist	Placerville, CA	43 GWh	Feb 1965	Dec 2023	Water
Jacumba Solar Farm	Invenergy Services LLC	Jacumba, CA	43 GWh	Jun 2017	Dec 2023	Solar
Tehachapi Wind Resource II	CalWind Resources Inc	Tehachapi, CA	42 GWh	Dec 1996	Dec 2023	Wind
Redwood 4 Solar Farm	54 KR 8me LLC	Edison, CA	42 GWh	Nov 2017	Dec 2023	Solar
Forks of Butte Hydro Project	HYPOWER INC	Magalia, CA	42 GWh	Feb 1992	Dec 2023	Water
MCAGCC Cogen Plant	DOD USMC Marine Air Ground Combat	Twentynine Palms, CA	41 GWh	Jan 2003	Dec 2023	Natural Gas
Sly Creek	South Feather Water and Power Agency	Forbestown, CA	41 GWh	Jun 1983	Dec 2023	Water
Glenarm	City of Pasadena - (CA)	Pasadena, CA	41 GWh	Dec 1975	Dec 2023	Natural Gas
Summer Solar LLC	AES Distributed Energy	Lancaster, CA	41 GWh	Jun 2016	Dec 2023	Solar
RE Kent South, LLC	Onward Energy	Lemoore, CA	41 GWh	Nov 2014	Dec 2023	Solar
Maricopa West Solar PV, LLC	Onward Energy	Taft, CA	41 GWh	Nov 2015	Dec 2023	Solar
Solar Blythe 2	NRG Solar Blythe II LLC	Blythe, CA	41 GWh	Mar 2017	Dec 2023	Solar
Solar Blythe LLC	NRG Solar Blythe	Blythe, CA	41 GWh	Nov 2009	Dec 2023	Solar
Bear Mountain Limited	WCAC Operating Company	Bakersfield, CA	40 GWh	Mar 1995	Aug 2024	Natural Gas
Rush Creek	Southern California Edison Co	June lake, CA	40 GWh	Sep 1916	Dec 2023	Water
King City Power Plant	Calpine King City Cogen LLC	King City, CA	40 GWh	Jan 1989	Aug 2024	Natural Gas
Frontier Solar LLC	Frontier Solar, LLC	Newman, CA	40 GWh	May 2016	Dec 2023	Solar
Blackwell Solar Park	Consolidated Edison Development Inc.	Lost Hills, CA	40 GWh	Dec 2018	Dec 2023	Solar
MM West Covina	MM West Covina Energy LLC	West Covina, CA	40 GWh	May 1993	Dec 2023	Landfill Gas : 99.4% Natural Gas : 0.6%
C&H Sugar Plant	C&H Sugar Company Inc	Crockett, CA	40 GWh	Sep 1957	Aug 2024	Purchased Steam
RE Victor Phelan Solar One LLC	MN8 Energy LLC	Adelanto, CA	40 GWh	Nov 2013	Dec 2023	Solar
Altamont Gas Recovery	WM Renewable Energy LLC	Livermore, CA	39 GWh	Feb 1969	Dec 2023	Landfill Gas
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%
Adobe Solar	Southern Power Co	Arvin, CA	39 GWh	Apr 2014	Dec 2023	Solar
CID Solar, LLC	Onward Energy	Corcoran, CA	39 GWh	Nov 2014	Dec 2023	Solar
Vandenberg Solar Project	MN8 Energy LLC	Vandenberg Airforce B, CA	39 GWh	Nov 2017	Dec 2023	Solar
RE Kansas Solar, LLC	Onward Energy	Lemoore, CA	39 GWh	Nov 2014	Dec 2023	Solar
Larkspur Energy Facility	Diamond Generating Corporation	San Diego, CA	39 GWh	Jun 2001	Dec 2023	Natural Gas
TPC Windfarms LLC	Terra-Gen Operating Co-Wind	Mojave, CA	39 GWh	Nov 1986	Dec 2023	Wind
Portal Ridge Solar B, LLC	Portal Ridge Solar, LLC	Lancaster, CA	39 GWh	Jan 2017	Dec 2023	Solar
Mission College Blvd. Fuel Cell	2016 ESA Project Company, LLC	Santa Clara, CA	38 GWh	Nov 2017	Dec 2023	Natural Gas
RE Rosamond Two LLC	MN8 Energy LLC	Rosamond, CA	38 GWh	Dec 2013	Dec 2023	Solar
Oak Creek Energy Systems I	Terra-Gen Operating Co-Wind	Mojave, CA	38 GWh	May 1982	Dec 2023	Wind
Westlands Solar PV Farm	Westlands Solar Farms, LLC	Huron, CA	38 GWh	Jan 2014	Dec 2023	Solar
Kettleman Solar -Centaurus	EE Kettleman California LLC	Kettleman City, CA	38 GWh	Jun 2015	Dec 2023	Solar
Western Power & Steam Inc	Western Power and Steam II LLC	Bakersfield, CA	38 GWh	Feb 1990	Jul 2024	Natural Gas
Gates Solar Station	Pacific Gas & Electric Co.	Huron, CA	38 GWh	May 2013	Dec 2023	Solar
Kaiser Napa Valley Corporate Dr Fuel Cell	2016 ESA Project Company, LLC	Napa, CA	37 GWh	May 2017	Dec 2023	Natural Gas
Cymric 31X Cogen	Chevron USA Inc	McKittrick, CA	37 GWh	Sep 1988	Dec 2023	Natural Gas
San Joaquin Solar	GASNA 6P, LLC	Helm, CA	37 GWh	Sep 2018	Dec 2023	Solar
Cymric 6Z Cogen	Chevron USA Inc	McKittrick, CA	37 GWh	Jun 1986	Dec 2023	Natural Gas
Wildwood Solar II	Duke Energy Renewables Services	Wasco, CA	37 GWh	Dec 2016	Dec 2023	Solar
Spaulding 1	Pacific Gas & Electric Co.	Emigrant Gap, CA	37 GWh	Apr 1928	Dec 2023	Water
Coram Energy LLC	Nextera Energy Resources	Tehachapi, CA	36 GWh	Dec 2004	Dec 2023	Wind
Antelope DSR 3	AES Distributed Energy	Lancaster, CA	36 GWh	Aug 2019	Dec 2023	Solar
CED Ducor 3	Consolidated Edison Development Inc.	Ducor, CA	36 GWh	Nov 2016	Dec 2023	Solar
University of California Santa Cruz	University of California Santa Cruz	Santa Cruz, CA	36 GWh	Aug 2013	Dec 2023	Natural Gas : 90.8% Solar : 9.2%
MM San Diego-Miramar	MM San Diego Energy-Miramar	San Diego, CA	36 GWh	Jun 1997	Dec 2023	Landfill Gas : 90.2% Other Biomass Gas : 9.8%
Equinix Caspian Dr. Fuel Cell	2016 ESA Project Company, LLC	Sunnyvale, CA	36 GWh	Nov 2017	Dec 2023	Natural Gas
Diablo Winds LLC	Sequitur Renewables, LLC	Livermore, CA	36 GWh	Nov 2004	Dec 2023	Wind
Agnews Power Plant	OLS Energy-Agnews Inc.	San Jose, CA	36 GWh	Oct 1990	Dec 2023	Natural Gas
Poole	Southern California Edison Co	Lee Vining, CA	36 GWh	Apr 1924	Dec 2023	Water
High Sierra Cogeneration Plant	Plumas Sierra Rural Electric Coop	Susanville, CA	36 GWh	Jan 2010	Dec 2023	Natural Gas
Bishop Creek 2	Southern California Edison Co	Bishop, CA	36 GWh	Oct 1908	Dec 2023	Water
Signal Hill West Unit	Signal Hill Petroleum, Inc	Signal Hill, CA	35 GWh	Jun 2004	Aug 2024	Other Gas
Berry Placerita Cogen	Shadow Wolf Energy	Santa Clarita, CA	35 GWh	Feb 1990	Aug 2024	Natural Gas
Greenleaf 2 Power Plant	Greenleaf Energy LLC	Yuba City, CA	35 GWh	Sep 1989	Aug 2024	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