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
Ameresco Butte County	Ameresco Butte County LLC	Paradise, CA	16 GWh	Jan 2013	Dec 2023	Landfill Gas
A G Wishon	Pacific Gas & Electric Co.	North Fork, CA	16 GWh	Aug 1910	Dec 2023	Water
GEN005 Antibody Fuel Cell	2016 ESA Project Company, LLC	Oceanside, CA	16 GWh	Mar 2019	Dec 2023	Natural Gas
Kaiser - Harbor City	Bloom Energy	Harbor City, CA	16 GWh	Nov 2019	Dec 2023	Natural Gas
Kaiser East La Palma Ave. Fuel Cell	2016 ESA Project Company, LLC	Anaheim, CA	16 GWh	Aug 2017	Dec 2023	Natural Gas
Thermalito Diverson Dam	California Dept. of Water Resources	Oroville, CA	16 GWh	Jun 1987	Dec 2023	Water
EQX010 Great Oaks Fuel Cell	2016 ESA Project Company, LLC	San Jose, CA	17 GWh	Aug 2019	Dec 2023	Natural Gas
Sierra Pacific Industries (2042-RD)	Sierra Pacific Industries	Red Bluff, CA	17 GWh	Apr 2020	Dec 2023	Solar
Etiwanda	Metropolitan Water District of S CA	Rancho Cucamonga, CA	17 GWh	Nov 1994	Dec 2023	Water
Adelanto Solar II, LLC	Adelanto Solar II, LLC	Adelanto, CA	17 GWh	Jun 2015	Dec 2023	Solar
Portal Ridge Solar C, LLC	Portal Ridge Solar, LLC	Lancaster, CA	17 GWh	Jan 2017	Dec 2023	Solar
Newcastle	Pacific Gas & Electric Co.	Auburn, CA	17 GWh	Nov 1986	Dec 2023	Water
Abel Road Bioenergy	ACC Renewable Resources	Williams, CA	17 GWh	Jun 2022	Dec 2023	Agricultural By-Products
Kaiser - Woodland Hills	Bloom Energy	Woodland Hills, CA	18 GWh	Aug 2019	Dec 2023	Natural Gas
Algonquin SKIC 10 Solar, LLC	Algonquin Power Co	Taft, CA	18 GWh	Dec 2016	Dec 2023	Solar
Murphys	Utica Water & Power Authority	Murphys, CA	18 GWh	Feb 1954	Dec 2023	Water
South	Pacific Gas & Electric Co.	Manton, CA	18 GWh	Nov 1979	Dec 2023	Water
Badger Creek Limited	WCAC Operating Company	Bakersfield, CA	18 GWh	Mar 1991	Aug 2024	Natural Gas
MM Yolo Power	Yolo County Community Services Department	Woodland, CA	18 GWh	Sep 1990	Dec 2023	Landfill Gas
Central CA Fuel Cell 1	Central CA Fuel Cell 1	Tulare, CA	18 GWh	Apr 2018	Dec 2023	Natural Gas
Foundation Dole Fresh Vegetables	Foundation CA Fund X Manager LLC	Soledad, CA	18 GWh	Jul 2022	Dec 2023	Wind
Orange Grove Peaking Facility	Orange Grove Energy LP	Pala, CA	18 GWh	May 2010	Dec 2023	Natural Gas
Orion Solar II	Orion Solar II, LLC	Arvin, CA	18 GWh	May 2014	Dec 2023	Solar
Spaulding 3	Pacific Gas & Electric Co.	Emigrant Gap, CA	18 GWh	Jan 1929	Dec 2023	Water
Olsen	Olsen Power Partners	Whitmore, CA	18 GWh	Dec 1989	Dec 2023	Water
Westside Solar Station	Pacific Gas & Electric Co.	Five Points, CA	19 GWh	Jul 2011	Dec 2023	Solar
Nacimiento Hydro Project	Monterey Cnty Water Res Agency	Bradley, CA	19 GWh	Jun 1987	Nov 2023	Water
Ameresco Santa Cruz Energy	AMERESCO Santa Cruz Energy LLC	Watsonville, CA	19 GWh	Dec 2005	Dec 2023	Landfill Gas
Five Points Solar Station	Pacific Gas & Electric Co.	Five Points, CA	19 GWh	Aug 2011	Dec 2023	Solar
Yuba City Cogen Partners	Wellhead Services, Inc	Yuba City, CA	19 GWh	Nov 1990	Dec 2023	Natural Gas
CM10	Consolidated Edison Development Inc.	Boulder City, NV	19 GWh	Nov 2008	Dec 2023	Solar
Chalk Cliff Limited	WCAC Operating Company	Bakersfield, CA	19 GWh	Feb 1990	Aug 2024	Natural Gas
Broadridge Cogen	Broadridge Customer Communications	El Dorado Hills, CA	19 GWh	Apr 2008	Dec 2023	Natural Gas : 93.5% Solar : 6.5%
Foothill Feeder	Metropolitan Water District of S CA	Castaic, CA	20 GWh	Mar 1981	Dec 2023	Water
Columbia Solar Energy, LLC	Columbia Solar Energy LLC	Pittsburg, CA	20 GWh	Sep 2015	Dec 2023	Solar
Marin Clean Energy Solar One	AES Distributed Energy	Richmond, CA	20 GWh	Nov 2017	Dec 2023	Solar
Aspiration G	AES Distributed Energy	Cantua Creek, CA	20 GWh	Aug 2017	Dec 2023	Solar
Black Butte	City of Santa Clara - (CA)	Orland, CA	20 GWh	Aug 1988	Dec 2023	Water
West Gates Solar Station	Pacific Gas & Electric Co.	Huron, CA	20 GWh	Apr 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
EQX011 Duane Fuel Cell	2016 ESA Project Company, LLC	Santa Clara, CA	21 GWh	Aug 2018	Dec 2023	Natural Gas
Welport Lease Project	Sentinel Peak Resources California, LLC	McKittrick, CA	21 GWh	Feb 1990	Dec 2023	Natural Gas
EDF Renewable Windfarm V Inc	EDF Renewable Asset Holdings, Inc.	Birds Landing, CA	21 GWh	Dec 1989	Dec 2023	Wind
Cottonwood Solar, LLC (City of Corcoran)	Onward Energy	Corcoran, CA	21 GWh	Apr 2015	Dec 2023	Solar
Portal	Southern California Edison Co	Lakeshore, CA	21 GWh	Nov 1956	Dec 2023	Water
Hatchet Creek Project	Mega Renewables	Montgomery Creek, CA	21 GWh	Nov 1986	Jul 2023	Water
CCCSD Wastewater Treatment Plnt	Central Contra Costa Sanitary District	Martinez, CA	21 GWh	Nov 1995	Aug 2024	Natural Gas
Kaweah Delta District Hospital	Kaweah Delta Hospital	Visalia, CA	21 GWh	Sep 2008	Aug 2024	Natural Gas
Live Oak Limited	WCAC Operating Company	Bakersfield, CA	21 GWh	Feb 1992	Aug 2024	Natural Gas
Naval Hospital Medical Center	Department of the Navy	San Diego, CA	21 GWh	Nov 2003	Aug 2024	Natural Gas
Barre Peaker	Southern California Edison Co	Stanton, CA	22 GWh	Aug 2007	Nov 2023	Natural Gas
Anheuser Busch - Fairfield	Bloom Energy	Fairfield, CA	22 GWh	Nov 2022	Dec 2023	Natural Gas
RE Columbia 3 LLC	MN8 Energy LLC	Mojave, CA	22 GWh	Dec 2013	Dec 2023	Solar
Giffen Solar Park	Giffen Solar Park, LLC	Cantua Creek, CA	22 GWh	May 2017	Dec 2023	Solar
Kern Front Limited	WCAC Operating Company	Bakersfield, CA	22 GWh	Jan 1989	Dec 2023	Natural Gas
Haypress	EIF Haypress LLC	Sierra City, CA	22 GWh	Nov 1988	Aug 2023	Water
Western Antelope Dry Ranch	AES Distributed Energy	Lancaster, CA	22 GWh	Nov 2016	Dec 2023	Solar
Alpaugh North	Consolidated Edison Development Inc.	Alpaugh, CA	22 GWh	Nov 2012	Dec 2023	Solar
Hat Creek 1	Pacific Gas & Electric Co.	Burney, CA	23 GWh	Jul 1921	Dec 2023	Water
Double C Generation Limited Partnership	WCAC Operating Company	Bakersfield, CA	23 GWh	Feb 1989	Dec 2023	Natural Gas
Foundation NWNA	Foundation CA Fund V Manager, LLC	Cabazon, CA	23 GWh	Nov 2012	Dec 2023	Wind
Red Mountain	Metropolitan Water District of S CA	Fallbrook, CA	23 GWh	May 1985	Dec 2023	Water
Sycamore Energy LLC	Sycamore Energy LLC	Santee, CA	23 GWh	Mar 2004	Dec 2023	Landfill Gas
Naval Air Weapons Station China Lake	MN8 Energy LLC	Ridgecrest, CA	23 GWh	Aug 2012	Dec 2023	Solar
High Sierra Limited	WCAC Operating Company	Bakersfield, CA	23 GWh	Feb 1989	Dec 2023	Natural Gas
Escondido Energy Center	Wellhead Services, Inc	Escondido, CA	23 GWh	Dec 2013	Dec 2023	Natural Gas
UC Davis South Campus	Solar Star California XXXII, LLC	Davis, CA	23 GWh	Feb 2015	Dec 2023	Solar
Aera San Ardo Cogen Facility	Aera Energy LLC-San Ardo	San Ardo, CA	24 GWh	Jun 1989	Dec 2023	Natural Gas
Lone Valley Solar Park I LLC	Lone Valley Solar Park I LLC	Lucerne Valley, CA	24 GWh	Nov 2014	Dec 2023	Solar
City of Tulare Water Facility	City of Tulare Water Pollution Control	Tulare, CA	24 GWh	Dec 1990	Dec 2022	Natural Gas : 83.2% Solar : 16.8%
Guernsey Solar Station	Pacific Gas & Electric Co.	Hanford, CA	24 GWh	Jul 2013	Dec 2023	Solar
SEPV Palmdale East	AES Distributed Energy	Palmdale, CA	24 GWh	Jul 2015	Dec 2023	Solar
Solar Star California, XLIV, LLC	MN8 Energy LLC	Pearblossom, CA	24 GWh	Nov 2016	Dec 2023	Solar
Sacramento Municipal Util Dist	South Sutter Water District	Sacramento, CA	24 GWh	Jan 1985	Aug 2023	Water
SEPV9 Power Plant	Duke Energy Renewables Services	Twentynine Palms, CA	24 GWh	May 2013	Dec 2023	Solar
Stroud Solar Station	Pacific Gas & Electric Co.	Helm, CA	24 GWh	Aug 2011	Dec 2023	Solar
San Dimas	Metropolitan Water District of S CA	San Dimas, CA	25 GWh	May 1981	Nov 2023	Water
Longboat Solar, LLC	Duke Energy Renewables Services	Barstow, CA	25 GWh	Nov 2016	Dec 2023	Solar
G2 Energy Ostrom Road LLC	G2 Energy LLC	Wheatland, CA	25 GWh	Jan 2009	Dec 2023	Landfill Gas
Illumina Way SD	Bloom Energy	San Diego, CA	25 GWh	Aug 2019	Dec 2023	Natural Gas
Victory Garden (Tehachapi)	Wind Stream Operations LLC	Tehachapi, CA	25 GWh	Nov 1981	Dec 2023	Wind
Cottonwood Solar, LLC (Goose Lake)	Onward Energy	Lost Hills, CA	25 GWh	Apr 2015	Dec 2023	Solar
Oro Loma	Consolidated Edison Development Inc.	Oro Loma, CA	25 GWh	Dec 2016	Dec 2023	Solar
Harbor Cogen	Harbor Cogeneration Co.	Wilmington, CA	26 GWh	Nov 1988	Dec 2023	Natural Gas
Midway Peaking LLC	CalPeak Power, LLC	Firebaugh, CA	26 GWh	Apr 2009	Nov 2023	Natural Gas
Apple Campus 2 Fuel Cell	Apple, Inc	Cupertino, CA	26 GWh	May 2017	Dec 2023	Landfill Gas
Saint Agnes Medical Center	Saint Agnes Medical Center	Fresno, CA	26 GWh	Apr 2001	Aug 2024	Natural Gas
Gaskell West 1 Solar Facility	Southern Power Co	Lancaster, CA	26 GWh	Feb 2018	Dec 2023	Solar
Bishop Creek 3	Southern California Edison Co	Bishop, CA	26 GWh	May 1913	Dec 2023	Water
Indigo Energy Facility	Diamond Generating Corporation	North Palm Springs, CA	26 GWh	Jun 2001	Dec 2023	Natural Gas
MM Lopez Energy	MM Lopez Energy LLC	Lake View Terrace, CA	26 GWh	Nov 1998	Dec 2023	Landfill Gas
CalPeak Power Panoche Peaker Plant	CalPeak Power, LLC	Firebaugh, CA	26 GWh	Nov 2001	Dec 2023	Natural Gas
San Manuel Central Plant Cogens	San Manuel Mission Band of Indians	Highland, CA	27 GWh	May 2021	Dec 2023	Natural Gas
SRI International Cogen Project	IPT SRI Cogeneration Inc	Menlo Park, CA	27 GWh	Mar 1987	Aug 2024	Natural Gas
Childrens Hospital	DTE San Diego COGEN Inc.	San Diego, CA	27 GWh	Mar 2000	Aug 2024	Natural Gas
WWTP Power Generation Station	East Bay Municipal Util Dist	Oakland, CA	27 GWh	Jul 1985	Aug 2024	Other Biomass Gas : 99.0% Distillate Fuel Oil : 1.0%
Little Bear 3	Little Bear Solar 3, LLC (Longroad)	Mendota, CA	27 GWh	Nov 2020	Dec 2023	Solar
APP Prune A-D	Bloom Energy	Cupertino, CA	27 GWh	Apr 2017	Dec 2023	Natural Gas
B Braun Medical	B Braun Medical Inc	Irvine, CA	27 GWh	Oct 1982	Dec 2023	Natural Gas
Gilroy Peaking Energy Center	Calpine Gilroy Cogen LP	Gilroy, CA	27 GWh	Oct 2001	Nov 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