California Independent System Operator

Balancing Authority Summary Information

California Independent System Operator is ranked #7 out of 64 balancing authorities in terms of total annual electricity generation.

Balancing Authority	California Independent System Operator
States	Arizona California Nevada New Mexico
Last Update	Oct 2026
Annual Generation	168.7 TWh
Power Plants	2,170
Utilities	1,001
Ranked #7 out of 64 in terms of net annual generation
Ranked #14 out of 53 in terms of annual generation from natural gas
Power Plant Types	Natural Gas \| 32% Solar \| 30.9% Water \| 12.2% Wind \| 11.8% Nuclear \| 11.2% Coal \| 0%

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Daily Net Generation for California Independent System Operator for the past 3 Years

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Plant Name	Utility	Location	Annual Generation	Plant Date	Last Update	Fuel Types
Dominguez Plant	Eco Services Corp.	Long Beach, CA	34 GWh	Jul 1976	Dec 2025	Waste Heat
Dome Project	Sentinel Peak Resources California, LLC	Fellows, CA	48 GWh	Jul 1988	Dec 2025	Natural Gas
Dixie Valley	Ormat Nevada Inc	Fallon, NV	469 GWh	May 1988	Jul 2026	Geothermal
Dixie Creek Dairy Solar	Bravo REC Management LLC	Hanford, CA	6 GWh	Jun 2024	Dec 2025	Solar
Division 3	Tesla Inc.	Lancaster, CA	1 GWh	May 2014	Dec 2025	Solar
Division 2	Tesla Inc.	Lancaster, CA	2 GWh	May 2014	Dec 2025	Solar
Division 1	Tesla Inc.	Lancaster, CA	2 GWh	May 2014	Dec 2025	Solar
Dissigno Healdsburg FPV, LLC	Palmetto Power Management LLC	Healdsburg, CA	6 GWh	Nov 2020	Dec 2025	Solar
DirecTV - Los Angeles	Bloom Energy	Los Angeles, CA	8 GWh	Sep 2016	Dec 2025	Natural Gas
Dion R Holm	City & County of San Francisco - (CA)	Groveland, CA	552 GWh	Jul 1960	Jul 2026	Water
Dinuba Wastewater Treatment Plant	AES Distributed Energy	Dinuba, CA	1 GWh	Oct 2011	Dec 2025	Solar
Dillon Wind LLC	Avangrid Power LLC	North Palm Springs, CA	138 GWh	Mar 2008	Dec 2025	Wind
Difwind Farms Ltd VI	Terra-Gen Operating Co-Wind	Mojave, CA	13 GWh	Dec 1986	Dec 2025	Wind
Diamond Valley Solar Project	Ecos Energy LLC	Winchester, CA	2 GWh	Dec 2014	Dec 2025	Solar
Diamond Valley Lake	Metropolitan Water District of S CA	Winchester, CA	1 GWh	Apr 2001	Oct 2025	Water
Diamond H Dairy Power	Madera DP 2, LLC	Chowchilla, CA	12 GWh	Sep 2021	Dec 2025	Other Biomass Gas
Diablo Winds LLC	Sequitur Renewables, LLC	Livermore, CA	31 GWh	Nov 2004	Dec 2025	Wind
Diablo Canyon	Pacific Gas & Electric Co.	Avila Beach, CA	18 TWh	Apr 1985	Jul 2026	Nuclear
DGS Wasco State Prison	Forefront Power, LLC	Wasco, CA	5 GWh	Jun 2020	Dec 2025	Solar
DGS Valley State Prison	Forefront Power, LLC	Chowchilla, CA	4 GWh	Jan 2021	Dec 2025	Solar
DGS Central California Womens Facility	Forefront Power, LLC	Chowchilla, CA	3 GWh	Nov 2020	Dec 2025	Solar
Devil Canyon	California Dept. of Water Resources	San Bernardino, CA	736 GWh	Nov 1972	Jul 2026	Water
Desert Sunlight 300, LLC	NextEra Energy Desert Sunlight 300, LLC	Desert Center, CA	620 GWh	Oct 2013	Dec 2025	Solar
Desert Sunlight 250, LLC	NextEra Energy Desert Sunlight 250, LLC	Desert Center, CA	517 GWh	Oct 2013	Dec 2025	Solar
Desert Star Energy Center	Desert Star Energy Center SDG&E	Boulder City, NV	412 GWh	Apr 2000	Jul 2026	Natural Gas
Desert Quartzite	Desert Quartzite LLC	Blythe, CA	846 GWh	Nov 2024	Jul 2026	Solar
Desert Hot Springs Solar	RWE Clean Energy	Desert Hot Springs, CA	3 GWh	Nov 2013	Dec 2025	Solar
Desert Harvest, LLC	Desert Harvest, LLC	Desert Center, CA	230 GWh	Nov 2020	Jul 2026	Solar
Desert Harvest II LLC	Desert Harvest II LLC	Desert Center, CA	193 GWh	Nov 2020	Jul 2026	Solar
Desert Green Solar Farm LLC	Invenergy Services LLC	Boulevard, CA	10 GWh	Oct 2014	Dec 2025	Solar
Desert Breeze Solar, LLC	Terra-Gen Operating Co-Solar	Hinkley, CA	107 GWh	-	Jul 2026	Solar
Delta Energy Center	Delta Energy Center LLC	Pittsburg, CA	3 TWh	Apr 2002	Jul 2026	Natural Gas
Delta Electronics Fremont	Delta Electronics (Americas) Ltd	Fremont, CA	701 MWh	Mar 2016	Dec 2025	Solar
Delano Land 1	AES Distributed Energy	Delano, CA	892 MWh	Nov 2017	Dec 2025	Solar
Delano Energy Center	Wellhead Services, Inc	Delano, CA	5 GWh	Dec 2012	Oct 2025	Natural Gas
Deer Creek PH	Nevada Irrigation District	Nevada City, CA	15 GWh	Apr 1908	Dec 2025	Water
Deer Creek Hybrid	Deer Creek Solar I, LLC	Terra Bella, CA	17 GWh	-	Jul 2026	Solar
Deer Creek 2	Altus Power America Management, LLC	Shingle Springs, CA	3 GWh	Nov 2021	Dec 2025	Solar
Deadwood Creek	Hydro Sierra Energy, LLC	Dobbins, CA	2 GWh	Nov 1993	Dec 2025	Water
De Sabla	Pacific Gas & Electric Co.	Magalia, CA	21 GWh	Jan 1963	Dec 2025	Water
Danell Bros Inc	Renewable Solar, Inc	Hanford, CA	6 GWh	Aug 2021	Dec 2025	Solar
Daggett 3	Daggett Solar Power 3 LLC	Daggett, CA	823 GWh	Jun 2023	Jul 2026	Solar
Daggett 2	Daggett Solar Power 2 LLC	Daggett, CA	486 GWh	Nov 2023	Jul 2026	Solar
D'Arrigo Brothers - Phase 4	CalCom Energy	Salinas, CA	4 GWh	Feb 2019	Dec 2025	Solar
Cymric 6Z Cogen	Chevron USA Inc	McKittrick, CA	27 GWh	Jun 1986	Dec 2025	Natural Gas
Cymric 36W Cogen	Chevron USA Inc	McKittrick, CA	53 GWh	Sep 1982	Dec 2025	Natural Gas
Cymric 31X Cogen	Chevron USA Inc	McKittrick, CA	17 GWh	Sep 1988	Dec 2025	Natural Gas
Cuyamaca Peak Energy Plant	San Diego Gas & Electric Co	El Cajon, CA	10 GWh	Apr 2002	Dec 2025	Natural Gas
Cuyama Solar, LLC	Cuyama Solar, LLC	Cuyama, CA	63 GWh	Oct 2017	Jul 2026	Solar
CSUF Trigeneration	California State University at Fullerton	Fullerton, CA	34 GWh	Sep 2010	Jul 2026	Natural Gas : 80.2% Solar : 19.8%
CSUF State College	MN8 Energy LLC	Fullerton, CA	2 GWh	Nov 2016	Dec 2025	Solar
CSUF Nutwood Solar	MN8 Energy LLC	Fullerton, CA	3 GWh	Nov 2016	Dec 2025	Solar
CSU San Jose State University	SkyHigh 2 Solar	San Jose, CA	2 GWh	Nov 2021	Dec 2025	Solar
CSU Long Beach Lots 7 & 14	MN8 Energy LLC	Long Beach, CA	7 GWh	Nov 2017	Dec 2025	Solar
CSU Fresno Solar Project	MMA Fresno Power LP	Fresno, CA	1 GWh	Nov 2007	Dec 2025	Solar
CST001 McCarthy Fuel Cell	2016 ESA Project Company, LLC	Milpitas, CA	9 GWh	Dec 2018	Dec 2025	Natural Gas
CSP Los Angeles	Ecoplexus, Inc	Lancaster, CA	6 GWh	Sep 2022	Dec 2025	Solar
CSD 2 - Heritage High	CleanCapital Holdings	Brentwood, CA	2 GWh	Aug 2013	Dec 2025	Solar
CSD 2- Freedom High	CleanCapital Holdings	Oakley, CA	1 GWh	Jul 2013	Dec 2025	Solar
Crystal Farms Local Solar	Agilitas Energy, Inc.	San Joaquin, CA	9 GWh	Oct 2023	Dec 2025	Solar
Crockett Cogen Project	Crockett Cogeneration	Crockett, CA	1 TWh	Nov 1995	Feb 2026	Natural Gas
Cresta	Pacific Gas & Electric Co.	Storrie, CA	342 GWh	Oct 1949	Dec 2025	Water
Creed Energy Center	Creed Energy Center LLC	Suisun, CA	3 GWh	Dec 2002	Nov 2025	Natural Gas
CPA Wilmington 1	Prologis Logistics Services Incorporated	Carson, CA	1 GWh	Jul 2025	Dec 2025	Solar
CPA 2132 E Dominguez	Prologis Logistics Services Incorporated	Carson, CA	913 MWh	Jul 2025	Dec 2025	Solar
CP Kelco San Diego Plant	CP Kelco US Inc.	San Diego, CA	75 GWh	Sep 1983	Jul 2026	Natural Gas
Cove Hydroelectric	Snow Mountain Hydro LLC	Burney, CA	17 GWh	Jan 1990	Dec 2025	Water
Covanta Stanislaus Energy	Covanta Stanislaus Inc	Crows Landing, CA	62 GWh	Aug 1988	Dec 2024	Non-biogenic Municipal Solid Waste : 50.0% Biogenic Municipal Solid Waste : 40.9% Distillate Fuel Oil : 9.1%
County of San Diego SBRC	MN8 Energy LLC	Chula Vista, CA	2 GWh	Nov 2018	Dec 2025	Solar
County of San Diego COC Hybrid	Solar Star California LXXVIII, LLC	San Diego, CA	3 GWh	Jun 2020	Dec 2025	Solar
Cottonwood Solar, LLC (Goose Lake)	Onward Energy	Lost Hills, CA	30 GWh	Apr 2015	Dec 2025	Solar
Cottonwood Solar, LLC Cottonwood Carport	Onward Energy	Novato, CA	1 GWh	Apr 2016	Dec 2025	Solar
Cottonwood Solar, LLC (City of Corcoran)	Onward Energy	Corcoran, CA	21 GWh	Apr 2015	Dec 2025	Solar
Costa View Farms	127 CVF, LLC	Madera, CA	11 GWh	May 2024	Dec 2025	Solar
Coso Power Developers	Coso Operating Co LLC	Inyokern, CA	316 GWh	Oct 1989	Jul 2026	Geothermal
Coso Finance Partners	Coso Operating Co LLC	Inyokern, CA	357 GWh	Jun 1987	Jul 2026	Geothermal
Coso Energy Developers	Coso Operating Co LLC	Inyokern, CA	235 GWh	Nov 1988	Dec 2025	Geothermal
Coronus Adelanto West 2	Clean Focus Yield, LLC	Adelanto, CA	3 GWh	Dec 2014	Dec 2025	Solar
Coronus Adelanto West 1	Clean Focus Yield, LLC	Adelanto, CA	3 GWh	Dec 2014	Dec 2025	Solar
Coronal Lost Hills	Arevon Energy, Inc.	Lost Hills, CA	35 GWh	Apr 2015	Dec 2025	Solar
Corona	Metropolitan Water District of S CA	Corona, CA	13 GWh	Jul 1983	Apr 2025	Water
Corcoran Solar 3	RWE Clean Energy	Corcoran, CA	48 GWh	Jan 2016	Dec 2025	Solar
Corcoran Solar 2	RWE Clean Energy	Corcoran, CA	47 GWh	Apr 2015	Dec 2025	Solar
Corcoran Solar	RWE Clean Energy	Corcoran, CA	22 GWh	Jul 2013	Dec 2025	Solar
Corcoran Irrigation District Floating So	Solar Powered Ag, LLC	Corcoran, CA	3 GWh	Apr 2025	Dec 2025	Solar
Corcoran Irrigation District	Madison Energy Investments LLC	Corcoran, CA	4 GWh	Aug 2019	Sep 2025	Solar
Corcoran	Terraform Arcadia	Corcoran, CA	2 GWh	Dec 2013	Dec 2025	Solar
Coram Energy LLC (ECT)	Nextera Energy Resources	Tehachapi, CA	22 GWh	Apr 2005	Dec 2025	Wind
Coram Energy LLC (4.5MW)	Nextera Energy Resources	Tehachapi, CA	9 GWh	Nov 1985	Dec 2025	Wind
Coram Energy LLC	Nextera Energy Resources	Tehachapi, CA	9 GWh	Dec 2004	Dec 2025	Wind
Copper Mountain Solar 4, LLC	RWE Clean Energy	Boulder City, NV	248 GWh	Aug 2016	Dec 2025	Solar
Copper Mountain Solar 2	RWE Clean Energy	Boulder City, NV	726 GWh	Jun 2012	Dec 2025	Solar
Conflitti Solar	CES Electron Farm One, LLC	Firebaugh, CA	100 MWh	-	Dec 2025	Solar
Community Solar Utica 1, LLC	AETS OpCo Holdings LLC	Kettleman, CA	2 GWh	Feb 2025	Dec 2025	Solar
Comcast - Universal City	Bloom Energy	Universal City, CA	7 GWh	Aug 2021	Dec 2025	Natural Gas
Combie South	Nevada Irrigation District	Auburn, CA	4 GWh	Mar 1984	Dec 2025	Water
Colusa Generating Station	Pacific Gas & Electric Co.	Maxwell, CA	2 TWh	Nov 2010	Jul 2026	Natural Gas
Columbia Solar Energy, LLC	Columbia Solar Energy LLC	Pittsburg, CA	12 GWh	Sep 2015	Dec 2025	Solar
Colton Solar Two, LLC	Colton Solar Two, LLC	Colton, CA	789 MWh	Mar 2015	Dec 2025	Solar
Colton Solar One, LLC	Colton Solar One, LLC	San Bernardino, CA	4 GWh	May 2015	Dec 2025	Solar

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#25	Arizona Public Service Company	25.8 TWh	102
#55	Arlington Valley, LLC	3.2 TWh	1
#38	Balancing Authority of Northern California	13.9 TWh	91
#49	Imperial Irrigation District	6.2 TWh	66
#29	Los Angeles Department of Water and Power	19.3 TWh	132
#22	Nevada Power Company	38.6 TWh	143
#51	PUD No. 1 of Douglas County	4.4 TWh	5
#19	Salt River Project Agricultural Improvement and Power District	60.5 TWh	51
#57	Turlock Irrigation District	1.9 TWh	11
#39	Western Area Power Administration - Desert Southwest Region	10.6 TWh	36

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#3	Electric Reliability Council of Texas, Inc.	506.3 TWh	1,487
#5	Southwest Power Pool	314.5 TWh	876
#6	Southern Company Services, Inc. - Trans	259.3 TWh	423
#7	California Independent System Operator	168.7 TWh	2,170
#9	Tennessee Valley Authority	166.2 TWh	209
#10	Florida Power & Light Co.	153.0 TWh	188
#12	New York Independent System Operator	134.1 TWh	1,334
#13	Duke Energy Carolinas	113.4 TWh	578
#15	ISO New England	112.2 TWh	1,667
#16	Bonneville Power Administration	91.1 TWh	170