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	Dec 2024
Annual Generation	191.4 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 \| 45.3% Solar \| 23.2% Water \| 12% Wind \| 10.2% Nuclear \| 9.1%

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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
California State Univ at Channel Islands	SkyHigh 2 Solar	Camarillo, CA	8 GWh	Nov 2021	Dec 2023	Solar
California Valley Solar Ranch	Clearway Energy Operating LLC	California Valley, CA	624 GWh	Aug 2012	Dec 2023	Solar
Calistoga Power Plant	Geysers Power Co LLC	Middletown, CA	465 GWh	Feb 1984	Sep 2024	Geothermal
CalPeak Power Border Peaker Plant	CalPeak Power, LLC	San Diego, CA	13 GWh	Oct 2001	Dec 2023	Natural Gas
CalPeak Power Enterprise Peaker Plant	CalPeak Power, LLC	Escondido, CA	5 GWh	Oct 2001	Nov 2023	Natural Gas
CalPeak Power Panoche Peaker Plant	CalPeak Power, LLC	Firebaugh, CA	26 GWh	Nov 2001	Dec 2023	Natural Gas
CalPeak Power Vaca Dixon Peaker Plant	CalPeak Power, LLC	Vacaville, CA	7 GWh	May 2002	Dec 2023	Natural Gas
CalRenew-1	CalRenew-1 LLC	Mendota, CA	6 GWh	Mar 2010	Dec 2023	Solar
Caltech Central	Bloom Energy 2009 PPA	Pasadena, CA	401 MWh	Oct 2010	Dec 2023	Natural Gas
CalTech - Pasadena	Bloom Energy	Pasadena, CA	7 GWh	Feb 2016	Dec 2023	Natural Gas
CalTech - Pasadena (PPA)	Bloom Energy 2009 PPA	Pasadena, CA	6 GWh	Feb 2016	Dec 2023	Natural Gas
CalTech - Pasadena Wilson Ave	Bloom Energy	Pasadena, CA	8 GWh	Nov 2019	Dec 2023	Natural Gas
Camanche	East Bay Municipal Util Dist	Clements & Wallace, CA	58 GWh	Jun 1983	Dec 2023	Water
Cameron Ridge LLC	Terra-Gen Operating Co-Wind	Mojave, CA	125 GWh	Nov 1984	Dec 2023	Wind
Campo Verde Solar	Southern Power Co	El Centro, CA	329 GWh	Sep 2013	Dec 2023	Solar
Canal Energy S23, LLC	Canal Energy S23, LLC	Hanford, CA	8 GWh	Nov 2021	Nov 2023	Solar
Cantua Solar Station	Pacific Gas & Electric Co.	TBD, CA	34 GWh	May 2012	Dec 2023	Solar
Canyon Power Plant	City of Anaheim - (CA)	Anaheim, CA	84 GWh	Jul 2011	Sep 2024	Natural Gas
Caribou 1	Pacific Gas & Electric Co.	Belden, CA	198 GWh	May 1921	Dec 2023	Water
Caribou 2	Pacific Gas & Electric Co.	Belden, CA	338 GWh	Oct 1958	Sep 2024	Water
Carlsbad Energy Center	NRG California Peaker Operations LLC	Carlsbad, CA	254 GWh	Nov 2018	Sep 2024	Natural Gas
Carson Cogeneration	Carson Cogeneration Co	Carson, CA	35 GWh	Nov 1989	Dec 2023	Natural Gas
Cascade Solar	Cascade Solar LLC	Joshua Tree, CA	53 GWh	Dec 2013	Dec 2023	Solar
Castaic Lake Phase II	MN8 Energy LLC	Santa Clara, CA	8 GWh	Nov 2014	Dec 2023	Solar
Castle Rock Vineyards	Castle Rock Cooling	Delano, CA	2 GWh	Aug 2010	Dec 2023	Solar
Castor Solar	ZGlobal Inc	Dustin Acres, CA	917 MWh	Mar 2016	Dec 2023	Solar
Catalina Express	Altus Power America Management, LLC	San Pedro, CA	2 GWh	Nov 2020	Dec 2023	Solar
Catalina Solar 2, LLC	Onward Energy	Rosamond, CA	45 GWh	Jul 2015	Dec 2023	Solar
Catalina Solar LLC	EDF Renewable Asset Holdings, Inc.	Rosamond, CA	263 GWh	Nov 2012	Dec 2023	Solar
Cawelo Water District Solar	Scooby Solar, LLC	Famoso, CA	927 MWh	Sep 2023	Dec 2023	Solar
CCCSD Wastewater Treatment Plnt	Central Contra Costa Sanitary District	Martinez, CA	21 GWh	Nov 1995	Sep 2024	Natural Gas
CD4	CD4	Mammoth Lakes, CA	272 GWh	Jun 2022	Dec 2023	Geothermal
CDCR (CA) - Corcoran State Prison	SunE Corcoran SP Owner, LLC	Corcoran, CA	9 GWh	Nov 2013	Dec 2023	Solar
CDCR (CA) - Pleasant Valley State Prison	Team-Solar, Inc.	Coalinga, CA	2 GWh	Jun 2014	Dec 2023	Solar
CDCR (CA) - Solano State Prison	SunE Solano SP Owner, LLC	Vacaville, CA	2 GWh	Nov 2013	Dec 2023	Solar
CDCR (CA) - Wasco State Prison	SunE Wasco SP Owner, LLC	Wasco, CA	4 GWh	Nov 2013	Dec 2023	Solar
CED Avenal	Consolidated Edison Development Inc.	Avenal, CA	9 GWh	Dec 2016	Dec 2023	Solar
CED Ducor 1	Consolidated Edison Development Inc.	Ducor, CA	48 GWh	Nov 2016	Dec 2023	Solar
CED Ducor 2	Consolidated Edison Development Inc.	Ducor, CA	47 GWh	Nov 2016	Dec 2023	Solar
CED Ducor 3	Consolidated Edison Development Inc.	Ducor, CA	36 GWh	Nov 2016	Dec 2023	Solar
CED Ducor 4	Consolidated Edison Development Inc.	Ducor, CA	47 GWh	Nov 2016	Dec 2023	Solar
Center Hybrid	Southern California Edison Co	Norwalk, CA	4 GWh	Aug 2007	Dec 2023	Natural Gas
Centinela Solar Energy	Arevon Energy, Inc.	Calexico, CA	492 GWh	Jun 2013	Dec 2023	Solar
Central 40	Central 40, LLC	Newman, CA	68 GWh	Jan 2021	Sep 2024	Solar
Central Antelope Dry Ranch B LLC	Central Antelope Dry Ranch B, LLC	Lancaster, CA	7 GWh	Aug 2017	Dec 2023	Solar
Central Antelope Dry Ranch C	AES Distributed Energy	Lancaster, CA	29 GWh	Apr 2016	Dec 2023	Solar
Central CA Fuel Cell 1	Central CA Fuel Cell 1	Tulare, CA	18 GWh	Apr 2018	Dec 2023	Natural Gas
Century Generating Facility	Colton Power LP	Colton, CA	651 MWh	Aug 2001	Dec 2023	Natural Gas
Chaffey College Rancho Cucamonga Campus	Chaffey Community College District	Rancho Cucamonga, CA	7 GWh	Jan 2017	Dec 2023	Solar
Chalk Cliff Limited	WCAC Operating Company	Bakersfield, CA	22 GWh	Feb 1990	Sep 2024	Natural Gas
Chambers 4 - Eastvale LGB3	MN8 Energy LLC	Eastvale, CA	4 GWh	Jan 2019	Dec 2023	Solar
Chambers 4 - Rialto LGB8	MN8 Energy LLC	Rialto, CA	3 GWh	Nov 2018	Dec 2023	Solar
Chaparral Springs	Leeward Asset Management, LLC	Rosamond, CA	440 GWh	-	Sep 2024	Solar
Chestnut	Chestnut Westside, LLC	Lemoore, CA	322 GWh	Nov 2023	Sep 2024	Solar : 94.5% Electricity used for energy storage : 5.5%
Chevron - Lost Hills Hybrid	MN8 Energy LLC	Lost Hills, CA	66 GWh	Mar 2020	Sep 2024	Solar
Chicago Park	Nevada Irrigation District	Colfax, CA	135 GWh	Oct 1965	Dec 2023	Water
Childrens Hospital	DTE San Diego COGEN Inc.	San Diego, CA	27 GWh	Mar 2000	Sep 2024	Natural Gas
Chili Bar	Sacramento Municipal Util Dist	Placerville, CA	43 GWh	Feb 1965	Dec 2023	Water
Chowchilla II	California Power Holdings LLC	Chowchilla, CA	14 GWh	May 2001	Dec 2023	Natural Gas
Chuckawalla Solar	Altus Power America Management, LLC	Blythe, CA	7 GWh	May 2012	Dec 2023	Solar
Chuckawalla Valley State Prison	SunE CPA CDC1 LLC	Blythe, CA	1 GWh	May 2006	Dec 2023	Solar
Chula Vista Energy Center	Wellhead Services, Inc	Chula Vista, CA	2 GWh	Apr 2001	Dec 2023	Natural Gas
CID Solar (CA)	DG California Solar LLC	Corcoran, CA	3 GWh	Aug 2019	Dec 2023	Solar
CID Solar, LLC	Onward Energy	Corcoran, CA	39 GWh	Nov 2014	Dec 2023	Solar
Citizen B	AES Distributed Energy	Mendota, CA	7 GWh	Nov 2015	Dec 2023	Solar
City of Hayward WWTP	City of Hayward	Hayward, CA	10 GWh	Oct 2010	Dec 2023	Other Biomass Gas : 66.0% Solar : 30.5% Natural Gas : 3.5%
City of Madera WWTP	SunE GIL1, LLC	Madera, CA	2 GWh	Aug 2009	Sep 2023	Solar
City of Palo Alto	City of Palo Alto	Palo Alta, CA	21 MWh	Feb 2002	Dec 2023	Natural Gas
City of Rosamond (CA)	Standard Solar	Rosamond, CA	1 GWh	Apr 2023	Dec 2023	Solar
City of Soledad Water Reclamation	Foundation HA Energy Generation, LLC	Soledad, CA	4 GWh	Oct 2014	Dec 2023	Wind
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%
Clearwater Power Plant	City of Riverside - (CA)	Corona, CA	13 GWh	Feb 2005	Dec 2023	Natural Gas
Cloverdale Solar Center	Adapture Renewables, Inc.	Cloverdale, CA	2 GWh	Apr 2019	Dec 2023	Solar
Cloverdale Solar I	Altus Power America Management, LLC	Cloverdale, CA	2 GWh	May 2014	Dec 2023	Solar
Clovis East High School	Tesla Inc.	Clovis, CA	1 GWh	Mar 2018	Dec 2023	Solar
Clovis High School	Tesla Inc.	Clovis, CA	1 GWh	Mar 2018	Dec 2023	Solar
Clovis North High School	Tesla Inc.	Fresno, CA	1 GWh	Nov 2017	Dec 2023	Solar
CM10	Consolidated Edison Development Inc.	Boulder City, NV	19 GWh	Nov 2008	Dec 2023	Solar
CM48	Consolidated Edison Development Inc.	Boulder City, NV	93 GWh	May 2010	Dec 2023	Solar
Coachella Hills Wind	Terra-Gen Operating Co-Wind	Palm Springs, CA	213 GWh	Feb 2021	Sep 2024	Wind
Coalinga 25D Cogen	Chevron USA Inc	Coalinga, CA	67 GWh	Sep 1986	Dec 2023	Natural Gas
Coalinga Cogeneration Facility	Aera Energy LLC-Coalinga	Coalinga, CA	44 GWh	May 1988	Dec 2023	Natural Gas
Cold Canyon 1	Toro Energy of California SLO	San Luis Obispo, CA	10 GWh	Jun 2013	Dec 2023	Landfill Gas
Coleman PH	Pacific Gas & Electric Co.	Anderson, CA	34 GWh	May 1979	Dec 2023	Water
Colgate	Yuba County Water Agency	Dobbins, CA	1 TWh	Sep 1969	Sep 2024	Water
Collierville Powerhouse	Northern California Power Agny	Murphys, CA	532 GWh	Oct 1989	Sep 2024	Water
Collins Pine Project	Collins Pine Co	Chester, CA	8 GWh	Nov 1985	Nov 2023	Wood/Wood Waste Solids
Colton Solar One, LLC	Colton Solar One, LLC	San Bernardino, CA	2 GWh	May 2015	Dec 2023	Solar
Colton Solar Two, LLC	Colton Solar Two, LLC	Colton, CA	1 GWh	Mar 2015	Dec 2023	Solar
Columbia Solar Energy, LLC	Columbia Solar Energy LLC	Pittsburg, CA	20 GWh	Sep 2015	Dec 2023	Solar
Colusa Generating Station	Pacific Gas & Electric Co.	Maxwell, CA	3 TWh	Nov 2010	Sep 2024	Natural Gas
Combie South	Nevada Irrigation District	Auburn, CA	7 GWh	Mar 1984	Dec 2023	Water
Combustion Turbine Project No 2	Northern California Power Agny	Lodi, CA	7 GWh	Mar 1996	Dec 2023	Natural Gas
Comcast - Universal City	Bloom Energy	Universal City, CA	8 GWh	Aug 2021	Dec 2023	Natural Gas
Copper Mountain Solar 2	Consolidated Edison Development Inc.	Boulder City, NV	349 GWh	Jun 2012	Dec 2023	Solar
Copper Mountain Solar 4, LLC	Consolidated Edison Development Inc.	Boulder City, NV	214 GWh	Aug 2016	Dec 2023	Solar
Coram Energy LLC	Nextera Energy Resources	Tehachapi, CA	36 GWh	Dec 2004	Dec 2023	Wind
Coram Energy LLC (ECT)	Nextera Energy Resources	Tehachapi, CA	32 GWh	Apr 2005	Dec 2023	Wind
Coram Tehachapi	Nextera Energy Resources	Tehachapi, CA	4 GWh	Aug 1992	Dec 2023	Wind
Corcoran	Terraform Arcadia	Corcoran, CA	2 GWh	Dec 2013	Dec 2023	Solar

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#28	Arizona Public Service Company	22.0 TWh	75
#53	Arlington Valley, LLC	3.6 TWh	1
#36	Balancing Authority of Northern California	15.2 TWh	83
#48	Imperial Irrigation District	5.6 TWh	65
#33	Los Angeles Department of Water and Power	16.1 TWh	120
#22	Nevada Power Company	37.7 TWh	136
#56	New Harquahala Generating Company, LLC	2.9 TWh	1
#18	Salt River Project Agricultural Improvement and Power District	58.9 TWh	45
#57	Turlock Irrigation District	2.3 TWh	11
#41	Western Area Power Administration - Desert Southwest Region	8.5 TWh	30

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#3	Electric Reliability Council of Texas, Inc.	462.4 TWh	1,139
#5	Southwest Power Pool	290.5 TWh	762
#6	Southern Company Services, Inc. - Trans	247.8 TWh	393
#7	California Independent System Operator	191.4 TWh	1,943
#9	Tennessee Valley Authority	157.5 TWh	170
#10	Florida Power & Light Co.	147.4 TWh	159
#12	New York Independent System Operator	129.6 TWh	1,100
#13	Duke Energy Carolinas	110.8 TWh	556
#15	ISO New England	103.6 TWh	1,487
#16	Bonneville Power Administration	79.9 TWh	158