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
Carson Cogeneration	Carson Cogeneration Co	Carson, CA	35 GWh	Nov 1989	Dec 2023	Natural Gas
Antelope Expansion 3A	AES Distributed Energy	Lancaster, CA	35 GWh	May 2021	Dec 2023	Solar
Corcoran Solar	Consolidated Edison Development Inc.	Corcoran, CA	35 GWh	Jul 2013	Dec 2023	Solar
RE Old River One, LLC	Onward Energy	Bakersfield, CA	35 GWh	Nov 2014	Dec 2023	Solar
Kern Oil & Refining Co	Kern Oil & Refining Co	Bakersfield, CA	35 GWh	Sep 2002	Aug 2024	Natural Gas
Keysight - Santa Rosa	Bloom Energy	Santa Rosa, CA	34 GWh	Aug 2018	Dec 2023	Natural Gas
Sun City Project LLC	Avenal Solar Holdings LLC	Avenal, CA	34 GWh	Jul 2011	Dec 2023	Solar
RE Columbia Two, LLC	Onward Energy	Mojave, CA	34 GWh	Nov 2014	Dec 2023	Solar
Coleman PH	Pacific Gas & Electric Co.	Anderson, CA	34 GWh	May 1979	Dec 2023	Water
San Jose Cogeneration	San Jose State University Fclts Dev &Ops	San Jose, CA	34 GWh	Nov 1984	Aug 2024	Natural Gas
Marina Landfill Gas	Monterey Regional Waste Mgmt	Marina, CA	34 GWh	Mar 1998	Dec 2023	Landfill Gas
Sierra Pacific Sonora	Sierra Pacific Industries	Standard, CA	34 GWh	Jan 2001	Dec 2023	Wood/Wood Waste Solids
Sierra Solar Greenworks	AES Distributed Energy	Lancaster, CA	34 GWh	Oct 2015	Dec 2023	Solar
Cantua Solar Station	Pacific Gas & Electric Co.	TBD, CA	34 GWh	May 2012	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%
Atwell Island	SPS Atwell Island LLC	Alpaugh, CA	33 GWh	Feb 2013	Dec 2023	Solar
Sand Drag LLC	Avenal Solar Holdings LLC	Avenal, CA	33 GWh	Jul 2011	Dec 2023	Solar
Kaiser - LA	Bloom Energy	Los Angeles, CA	33 GWh	May 2020	Dec 2023	Natural Gas
W Plant	Qualcomm Incorporated	San Diego, CA	33 GWh	Jun 2005	Aug 2024	Natural Gas
Gas Utilization Facility	City of San Diego	San Diego, CA	33 GWh	May 1985	Aug 2024	Other Biomass Gas
SEPV 8	Duke Energy Renewables Services	Twentynine Palms, CA	33 GWh	May 2013	Dec 2023	Solar
Ameresco Chiquita Canyon	AMERESCO Chiquita Canyon LLC	Castaic, CA	33 GWh	Oct 2010	Dec 2023	Landfill Gas
Sunray 3	Sunray Energy 3 LLC	Daggett, CA	33 GWh	Nov 1985	Dec 2023	Solar
Monticello Dam	Solano Irrigation District	Winters, CA	32 GWh	May 1983	Dec 2023	Water
Ameresco Forward	Ameresco Forward, LLC	Manteca, CA	32 GWh	Jan 2014	Dec 2023	Landfill Gas
Coram Energy LLC (ECT)	Nextera Energy Resources	Tehachapi, CA	32 GWh	Apr 2005	Dec 2023	Wind
Ameresco Vasco Road	Ameresco Vasco Road, LLC	Livermore, CA	31 GWh	Feb 2013	Dec 2023	Landfill Gas
Huron Solar Station	Pacific Gas & Electric Co.	Huron, CA	31 GWh	May 2012	Dec 2023	Solar
Ridgetop Energy LLC	Terra-Gen Operating Co-Wind	Mojave, CA	31 GWh	Dec 1983	Dec 2023	Wind
Spring Gap	Pacific Gas & Electric Co.	Long Barn, CA	31 GWh	Aug 1921	Dec 2023	Water
Woodmere Solar Farm	AES Distributed Energy	Edison, CA	31 GWh	Nov 2015	Dec 2023	Solar
Ameresco San Joaquin	Ameresco San Joaquin, LLC	Linden, CA	31 GWh	Mar 2014	Dec 2023	Landfill Gas
Rio Bravo Hydro Project	Olcese Water District	Bakersfield, CA	31 GWh	Apr 1989	Dec 2023	Water
P Plant	Qualcomm Incorporated	San Diego, CA	30 GWh	Feb 2007	Jul 2024	Natural Gas
Tropico Solar PV Plant	Arevon Energy, Inc.	Delano, CA	30 GWh	Aug 2016	Dec 2023	Solar
RE Adams East, LLC	Onward Energy	Fresno, CA	30 GWh	Nov 2014	Dec 2023	Solar
Spicer Meadow Project	Northern California Power Agny	Murphys, CA	30 GWh	Oct 1989	Dec 2023	Water
Morelos del Sol	Southern Power Co	Lost Hills, CA	30 GWh	Oct 2015	Dec 2023	Solar
EQX015 Great Oaks Fuel Cell	2016 ESA Project Company, LLC	San Jose, CA	29 GWh	Dec 2017	Dec 2023	Natural Gas
Karen Avenue Wind Farm	San Gorgonio Farms Inc	North Palm Springs, CA	29 GWh	Dec 1984	Dec 2023	Wind
Mesa Wind Repower	Mesa Wind Repower	Whitewater, CA	29 GWh	-	Aug 2024	Wind
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%
Orion Solar I	Orion Solar I LLC	Arvin, CA	29 GWh	Mar 2014	Dec 2023	Solar
North Lancaster Ranch	AES Distributed Energy	Lancaster, CA	29 GWh	Nov 2016	Dec 2023	Solar
Lincoln Landfill	Energy 2001 Inc	Lincoln, CA	29 GWh	Oct 2004	Dec 2023	Landfill Gas
Central Antelope Dry Ranch C	AES Distributed Energy	Lancaster, CA	29 GWh	Apr 2016	Dec 2023	Solar
Ameresco Keller Canyon	AMERESCO Keller Canyon LLC	Bay Point, CA	29 GWh	Jun 2009	Dec 2023	Landfill Gas
Java Solar, LLC	Java Solar, LLC	Lemoore, CA	29 GWh	Oct 2022	Dec 2023	Solar
Coronal Lost Hills	Arevon Energy, Inc.	Lost Hills, CA	29 GWh	Apr 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
Redcrest Solar Farm	AES Distributed Energy	Edison, CA	28 GWh	Sep 2015	Dec 2023	Solar
Riverview Energy Center	Gilroy Energy Center for Riverview	Antioch, CA	28 GWh	Apr 2003	Dec 2023	Natural Gas
Equinix Lundy Ave. Fuel Cell	2016 ESA Project Company, LLC	San Jose, CA	28 GWh	Aug 2017	Dec 2023	Natural Gas
AP North Lake I, LP	AP North Lake I, LP	Hemet, CA	28 GWh	Jul 2015	Dec 2023	Solar
Grossmont Hospital	Sharp Grossmont Hospital	La Mesa, CA	27 GWh	Jul 1983	Dec 2023	Natural Gas
Adera Solar	AES Distributed Energy	Chowchilla, CA	27 GWh	Nov 2015	Dec 2023	Solar
Gilroy Peaking Energy Center	Calpine Gilroy Cogen LP	Gilroy, CA	27 GWh	Oct 2001	Nov 2023	Natural Gas
B Braun Medical	B Braun Medical Inc	Irvine, CA	27 GWh	Oct 1982	Dec 2023	Natural Gas
APP Prune A-D	Bloom Energy	Cupertino, CA	27 GWh	Apr 2017	Dec 2023	Natural Gas
Little Bear 3	Little Bear Solar 3, LLC (Longroad)	Mendota, CA	27 GWh	Nov 2020	Dec 2023	Solar
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%
Childrens Hospital	DTE San Diego COGEN Inc.	San Diego, CA	27 GWh	Mar 2000	Aug 2024	Natural Gas
SRI International Cogen Project	IPT SRI Cogeneration Inc	Menlo Park, CA	27 GWh	Mar 1987	Aug 2024	Natural Gas
San Manuel Central Plant Cogens	San Manuel Mission Band of Indians	Highland, CA	27 GWh	May 2021	Dec 2023	Natural Gas
CalPeak Power Panoche Peaker Plant	CalPeak Power, LLC	Firebaugh, CA	26 GWh	Nov 2001	Dec 2023	Natural Gas
MM Lopez Energy	MM Lopez Energy LLC	Lake View Terrace, CA	26 GWh	Nov 1998	Dec 2023	Landfill Gas
Indigo Energy Facility	Diamond Generating Corporation	North Palm Springs, CA	26 GWh	Jun 2001	Dec 2023	Natural Gas
Bishop Creek 3	Southern California Edison Co	Bishop, CA	26 GWh	May 1913	Dec 2023	Water
Gaskell West 1 Solar Facility	Southern Power Co	Lancaster, CA	26 GWh	Feb 2018	Dec 2023	Solar
Saint Agnes Medical Center	Saint Agnes Medical Center	Fresno, CA	26 GWh	Apr 2001	Aug 2024	Natural Gas
Apple Campus 2 Fuel Cell	Apple, Inc	Cupertino, CA	26 GWh	May 2017	Dec 2023	Landfill Gas
Midway Peaking LLC	CalPeak Power, LLC	Firebaugh, CA	26 GWh	Apr 2009	Nov 2023	Natural Gas
Harbor Cogen	Harbor Cogeneration Co.	Wilmington, CA	26 GWh	Nov 1988	Dec 2023	Natural Gas
Oro Loma	Consolidated Edison Development Inc.	Oro Loma, CA	25 GWh	Dec 2016	Dec 2023	Solar
Cottonwood Solar, LLC (Goose Lake)	Onward Energy	Lost Hills, CA	25 GWh	Apr 2015	Dec 2023	Solar
Victory Garden (Tehachapi)	Wind Stream Operations LLC	Tehachapi, CA	25 GWh	Nov 1981	Dec 2023	Wind
Illumina Way SD	Bloom Energy	San Diego, CA	25 GWh	Aug 2019	Dec 2023	Natural Gas
G2 Energy Ostrom Road LLC	G2 Energy LLC	Wheatland, CA	25 GWh	Jan 2009	Dec 2023	Landfill Gas
Longboat Solar, LLC	Duke Energy Renewables Services	Barstow, CA	25 GWh	Nov 2016	Dec 2023	Solar
San Dimas	Metropolitan Water District of S CA	San Dimas, CA	25 GWh	May 1981	Nov 2023	Water
Stroud Solar Station	Pacific Gas & Electric Co.	Helm, CA	24 GWh	Aug 2011	Dec 2023	Solar
SEPV9 Power Plant	Duke Energy Renewables Services	Twentynine Palms, CA	24 GWh	May 2013	Dec 2023	Solar
Sacramento Municipal Util Dist	South Sutter Water District	Sacramento, CA	24 GWh	Jan 1985	Aug 2023	Water
Solar Star California, XLIV, LLC	MN8 Energy LLC	Pearblossom, CA	24 GWh	Nov 2016	Dec 2023	Solar
SEPV Palmdale East	AES Distributed Energy	Palmdale, CA	24 GWh	Jul 2015	Dec 2023	Solar
Guernsey Solar Station	Pacific Gas & Electric Co.	Hanford, CA	24 GWh	Jul 2013	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%
Lone Valley Solar Park I LLC	Lone Valley Solar Park I LLC	Lucerne Valley, CA	24 GWh	Nov 2014	Dec 2023	Solar
Aera San Ardo Cogen Facility	Aera Energy LLC-San Ardo	San Ardo, CA	24 GWh	Jun 1989	Dec 2023	Natural Gas
UC Davis South Campus	Solar Star California XXXII, LLC	Davis, CA	23 GWh	Feb 2015	Dec 2023	Solar
Escondido Energy Center	Wellhead Services, Inc	Escondido, CA	23 GWh	Dec 2013	Dec 2023	Natural Gas
High Sierra Limited	WCAC Operating Company	Bakersfield, CA	23 GWh	Feb 1989	Dec 2023	Natural Gas
Naval Air Weapons Station China Lake	MN8 Energy LLC	Ridgecrest, CA	23 GWh	Aug 2012	Dec 2023	Solar
Sycamore Energy LLC	Sycamore Energy LLC	Santee, CA	23 GWh	Mar 2004	Dec 2023	Landfill Gas
Red Mountain	Metropolitan Water District of S CA	Fallbrook, CA	23 GWh	May 1985	Dec 2023	Water
Foundation NWNA	Foundation CA Fund V Manager, LLC	Cabazon, CA	23 GWh	Nov 2012	Dec 2023	Wind
Double C Generation Limited Partnership	WCAC Operating Company	Bakersfield, CA	23 GWh	Feb 1989	Dec 2023	Natural Gas
Hat Creek 1	Pacific Gas & Electric Co.	Burney, CA	23 GWh	Jul 1921	Dec 2023	Water
Alpaugh North	Consolidated Edison Development Inc.	Alpaugh, CA	22 GWh	Nov 2012	Dec 2023	Solar
Western Antelope Dry Ranch	AES Distributed Energy	Lancaster, CA	22 GWh	Nov 2016	Dec 2023	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