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
Adera Solar	AES Distributed Energy	Chowchilla, CA	27 GWh	Nov 2015	Dec 2023	Solar
Grossmont Hospital	Sharp Grossmont Hospital	La Mesa, CA	27 GWh	Jul 1983	Dec 2023	Natural Gas
AP North Lake I, LP	AP North Lake I, LP	Hemet, CA	28 GWh	Jul 2015	Dec 2023	Solar
Equinix Lundy Ave. Fuel Cell	2016 ESA Project Company, LLC	San Jose, CA	28 GWh	Aug 2017	Dec 2023	Natural Gas
Riverview Energy Center	Gilroy Energy Center for Riverview	Antioch, CA	28 GWh	Apr 2003	Dec 2023	Natural Gas
Redcrest Solar Farm	AES Distributed Energy	Edison, CA	28 GWh	Sep 2015	Dec 2023	Solar
Equinix Great Oaks Blvd. Fuel Cell	2016 ESA Project Company, LLC	San Jose, CA	28 GWh	Nov 2017	Dec 2023	Natural Gas
Coronal Lost Hills	Arevon Energy, Inc.	Lost Hills, CA	29 GWh	Apr 2015	Dec 2023	Solar
Java Solar, LLC	Java Solar, LLC	Lemoore, CA	29 GWh	Oct 2022	Dec 2023	Solar
Ameresco Keller Canyon	AMERESCO Keller Canyon LLC	Bay Point, CA	29 GWh	Jun 2009	Dec 2023	Landfill Gas
Central Antelope Dry Ranch C	AES Distributed Energy	Lancaster, CA	29 GWh	Apr 2016	Dec 2023	Solar
Lincoln Landfill	Energy 2001 Inc	Lincoln, CA	29 GWh	Oct 2004	Dec 2023	Landfill Gas
North Lancaster Ranch	AES Distributed Energy	Lancaster, CA	29 GWh	Nov 2016	Dec 2023	Solar
Orion Solar I	Orion Solar I LLC	Arvin, CA	29 GWh	Mar 2014	Dec 2023	Solar
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%
Mesa Wind Repower	Mesa Wind Repower	Whitewater, CA	29 GWh	-	Aug 2024	Wind
Karen Avenue Wind Farm	San Gorgonio Farms Inc	North Palm Springs, CA	29 GWh	Dec 1984	Dec 2023	Wind
EQX015 Great Oaks Fuel Cell	2016 ESA Project Company, LLC	San Jose, CA	29 GWh	Dec 2017	Dec 2023	Natural Gas
Morelos del Sol	Southern Power Co	Lost Hills, CA	30 GWh	Oct 2015	Dec 2023	Solar
Spicer Meadow Project	Northern California Power Agny	Murphys, CA	30 GWh	Oct 1989	Dec 2023	Water
RE Adams East, LLC	Onward Energy	Fresno, CA	30 GWh	Nov 2014	Dec 2023	Solar
Tropico Solar PV Plant	Arevon Energy, Inc.	Delano, CA	30 GWh	Aug 2016	Dec 2023	Solar
P Plant	Qualcomm Incorporated	San Diego, CA	30 GWh	Feb 2007	Jul 2024	Natural Gas
Rio Bravo Hydro Project	Olcese Water District	Bakersfield, CA	31 GWh	Apr 1989	Dec 2023	Water
Ameresco San Joaquin	Ameresco San Joaquin, LLC	Linden, CA	31 GWh	Mar 2014	Dec 2023	Landfill Gas
Woodmere Solar Farm	AES Distributed Energy	Edison, CA	31 GWh	Nov 2015	Dec 2023	Solar
Spring Gap	Pacific Gas & Electric Co.	Long Barn, CA	31 GWh	Aug 1921	Dec 2023	Water
Ridgetop Energy LLC	Terra-Gen Operating Co-Wind	Mojave, CA	31 GWh	Dec 1983	Dec 2023	Wind
Huron Solar Station	Pacific Gas & Electric Co.	Huron, CA	31 GWh	May 2012	Dec 2023	Solar
Ameresco Vasco Road	Ameresco Vasco Road, LLC	Livermore, CA	31 GWh	Feb 2013	Dec 2023	Landfill Gas
Coram Energy LLC (ECT)	Nextera Energy Resources	Tehachapi, CA	32 GWh	Apr 2005	Dec 2023	Wind
Ameresco Forward	Ameresco Forward, LLC	Manteca, CA	32 GWh	Jan 2014	Dec 2023	Landfill Gas
Monticello Dam	Solano Irrigation District	Winters, CA	32 GWh	May 1983	Dec 2023	Water
Sunray 3	Sunray Energy 3 LLC	Daggett, CA	33 GWh	Nov 1985	Dec 2023	Solar
Ameresco Chiquita Canyon	AMERESCO Chiquita Canyon LLC	Castaic, CA	33 GWh	Oct 2010	Dec 2023	Landfill Gas
SEPV 8	Duke Energy Renewables Services	Twentynine Palms, CA	33 GWh	May 2013	Dec 2023	Solar
Gas Utilization Facility	City of San Diego	San Diego, CA	33 GWh	May 1985	Aug 2024	Other Biomass Gas
W Plant	Qualcomm Incorporated	San Diego, CA	33 GWh	Jun 2005	Aug 2024	Natural Gas
Kaiser - LA	Bloom Energy	Los Angeles, CA	33 GWh	May 2020	Dec 2023	Natural Gas
Sand Drag LLC	Avenal Solar Holdings LLC	Avenal, CA	33 GWh	Jul 2011	Dec 2023	Solar
Atwell Island	SPS Atwell Island LLC	Alpaugh, CA	33 GWh	Feb 2013	Dec 2023	Solar
CSUF Trigeneration	California State University at Fullerton	Fullerton, CA	34 GWh	Sep 2010	Aug 2024	Natural Gas : 82.0% Solar : 18.0%
Cantua Solar Station	Pacific Gas & Electric Co.	TBD, CA	34 GWh	May 2012	Dec 2023	Solar
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
Marina Landfill Gas	Monterey Regional Waste Mgmt	Marina, CA	34 GWh	Mar 1998	Dec 2023	Landfill Gas
San Jose Cogeneration	San Jose State University Fclts Dev &Ops	San Jose, CA	34 GWh	Nov 1984	Aug 2024	Natural Gas
Coleman PH	Pacific Gas & Electric Co.	Anderson, CA	34 GWh	May 1979	Dec 2023	Water
RE Columbia Two, LLC	Onward Energy	Mojave, CA	34 GWh	Nov 2014	Dec 2023	Solar
Sun City Project LLC	Avenal Solar Holdings LLC	Avenal, CA	34 GWh	Jul 2011	Dec 2023	Solar
Keysight - Santa Rosa	Bloom Energy	Santa Rosa, CA	34 GWh	Aug 2018	Dec 2023	Natural Gas
Kern Oil & Refining Co	Kern Oil & Refining Co	Bakersfield, CA	35 GWh	Sep 2002	Aug 2024	Natural Gas
RE Old River One, LLC	Onward Energy	Bakersfield, CA	35 GWh	Nov 2014	Dec 2023	Solar
Corcoran Solar	Consolidated Edison Development Inc.	Corcoran, CA	35 GWh	Jul 2013	Dec 2023	Solar
Antelope Expansion 3A	AES Distributed Energy	Lancaster, CA	35 GWh	May 2021	Dec 2023	Solar
Carson Cogeneration	Carson Cogeneration Co	Carson, CA	35 GWh	Nov 1989	Dec 2023	Natural Gas
Greenleaf 2 Power Plant	Greenleaf Energy LLC	Yuba City, CA	35 GWh	Sep 1989	Aug 2024	Natural Gas
Berry Placerita Cogen	Shadow Wolf Energy	Santa Clarita, CA	35 GWh	Feb 1990	Aug 2024	Natural Gas
Signal Hill West Unit	Signal Hill Petroleum, Inc	Signal Hill, CA	35 GWh	Jun 2004	Aug 2024	Other Gas
Bishop Creek 2	Southern California Edison Co	Bishop, CA	36 GWh	Oct 1908	Dec 2023	Water
High Sierra Cogeneration Plant	Plumas Sierra Rural Electric Coop	Susanville, CA	36 GWh	Jan 2010	Dec 2023	Natural Gas
Poole	Southern California Edison Co	Lee Vining, CA	36 GWh	Apr 1924	Dec 2023	Water
Agnews Power Plant	OLS Energy-Agnews Inc.	San Jose, CA	36 GWh	Oct 1990	Dec 2023	Natural Gas
Diablo Winds LLC	Sequitur Renewables, LLC	Livermore, CA	36 GWh	Nov 2004	Dec 2023	Wind
Equinix Caspian Dr. Fuel Cell	2016 ESA Project Company, LLC	Sunnyvale, CA	36 GWh	Nov 2017	Dec 2023	Natural Gas
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%
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%
CED Ducor 3	Consolidated Edison Development Inc.	Ducor, CA	36 GWh	Nov 2016	Dec 2023	Solar
Antelope DSR 3	AES Distributed Energy	Lancaster, CA	36 GWh	Aug 2019	Dec 2023	Solar
Coram Energy LLC	Nextera Energy Resources	Tehachapi, CA	36 GWh	Dec 2004	Dec 2023	Wind
Spaulding 1	Pacific Gas & Electric Co.	Emigrant Gap, CA	37 GWh	Apr 1928	Dec 2023	Water
Wildwood Solar II	Duke Energy Renewables Services	Wasco, CA	37 GWh	Dec 2016	Dec 2023	Solar
Cymric 6Z Cogen	Chevron USA Inc	McKittrick, CA	37 GWh	Jun 1986	Dec 2023	Natural Gas
San Joaquin Solar	GASNA 6P, LLC	Helm, CA	37 GWh	Sep 2018	Dec 2023	Solar
Cymric 31X Cogen	Chevron USA Inc	McKittrick, CA	37 GWh	Sep 1988	Dec 2023	Natural Gas
Kaiser Napa Valley Corporate Dr Fuel Cell	2016 ESA Project Company, LLC	Napa, CA	37 GWh	May 2017	Dec 2023	Natural Gas
Gates Solar Station	Pacific Gas & Electric Co.	Huron, CA	38 GWh	May 2013	Dec 2023	Solar
Western Power & Steam Inc	Western Power and Steam II LLC	Bakersfield, CA	38 GWh	Feb 1990	Jul 2024	Natural Gas
Kettleman Solar -Centaurus	EE Kettleman California LLC	Kettleman City, CA	38 GWh	Jun 2015	Dec 2023	Solar
Westlands Solar PV Farm	Westlands Solar Farms, LLC	Huron, CA	38 GWh	Jan 2014	Dec 2023	Solar
Oak Creek Energy Systems I	Terra-Gen Operating Co-Wind	Mojave, CA	38 GWh	May 1982	Dec 2023	Wind
RE Rosamond Two LLC	MN8 Energy LLC	Rosamond, CA	38 GWh	Dec 2013	Dec 2023	Solar
Mission College Blvd. Fuel Cell	2016 ESA Project Company, LLC	Santa Clara, CA	38 GWh	Nov 2017	Dec 2023	Natural Gas
Portal Ridge Solar B, LLC	Portal Ridge Solar, LLC	Lancaster, CA	39 GWh	Jan 2017	Dec 2023	Solar
TPC Windfarms LLC	Terra-Gen Operating Co-Wind	Mojave, CA	39 GWh	Nov 1986	Dec 2023	Wind
Larkspur Energy Facility	Diamond Generating Corporation	San Diego, CA	39 GWh	Jun 2001	Dec 2023	Natural Gas
RE Kansas Solar, LLC	Onward Energy	Lemoore, 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
CID Solar, LLC	Onward Energy	Corcoran, CA	39 GWh	Nov 2014	Dec 2023	Solar
Adobe Solar	Southern Power Co	Arvin, CA	39 GWh	Apr 2014	Dec 2023	Solar
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%
Altamont Gas Recovery	WM Renewable Energy LLC	Livermore, CA	39 GWh	Feb 1969	Dec 2023	Landfill Gas
RE Victor Phelan Solar One LLC	MN8 Energy LLC	Adelanto, CA	40 GWh	Nov 2013	Dec 2023	Solar
C&H Sugar Plant	C&H Sugar Company Inc	Crockett, CA	40 GWh	Sep 1957	Aug 2024	Purchased Steam
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%
Blackwell Solar Park	Consolidated Edison Development Inc.	Lost Hills, CA	40 GWh	Dec 2018	Dec 2023	Solar
Frontier Solar LLC	Frontier Solar, LLC	Newman, CA	40 GWh	May 2016	Dec 2023	Solar
King City Power Plant	Calpine King City Cogen LLC	King City, CA	40 GWh	Jan 1989	Aug 2024	Natural Gas
Rush Creek	Southern California Edison Co	June lake, CA	40 GWh	Sep 1916	Dec 2023	Water
Bear Mountain Limited	WCAC Operating Company	Bakersfield, CA	40 GWh	Mar 1995	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