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	Jul 2026
Annual Generation	169.4 TWh
Power Plants	2,135
Utilities	988
Ranked #7 out of 64 in terms of net annual generation
Ranked #12 out of 53 in terms of annual generation from natural gas
Power Plant Types	Natural Gas \| 34% Solar \| 30% Water \| 12.4% Wind \| 11.3% Nuclear \| 11%

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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
Diablo Canyon	Pacific Gas & Electric Co.	Avila Beach, CA	18 TWh	Apr 1985	May 2026	Nuclear
DGS Wasco State Prison	Forefront Power, LLC	Wasco, CA	4 GWh	Jun 2020	Dec 2024	Solar
DGS Valley State Prison	Forefront Power, LLC	Chowchilla, CA	4 GWh	Jan 2021	Dec 2024	Solar
Devil Canyon	California Dept. of Water Resources	San Bernardino, CA	813 GWh	Nov 1972	May 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	329 GWh	Apr 2000	May 2026	Natural Gas
Desert Quartzite	Desert Quartzite LLC	Blythe, CA	855 GWh	Nov 2024	May 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	235 GWh	Nov 2020	May 2026	Solar
Desert Harvest II LLC	Desert Harvest II LLC	Desert Center, CA	194 GWh	Nov 2020	May 2026	Solar
Desert Green Solar Farm LLC	Invenergy Services LLC	Boulevard, CA	10 GWh	Oct 2014	Dec 2024	Solar
Desert Breeze Solar, LLC	Terra-Gen Operating Co-Solar	Hinkley, CA	34 GWh	-	May 2026	Solar
Delta Energy Center	Delta Energy Center LLC	Pittsburg, CA	3 TWh	Apr 2002	May 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	2 GWh	Dec 2012	Dec 2025	Natural Gas
Deer Creek PH	Nevada Irrigation District	Nevada City, CA	15 GWh	Apr 1908	Dec 2025	Water
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	844 GWh	Jun 2023	May 2026	Solar
Daggett 2	Daggett Solar Power 2 LLC	Daggett, CA	504 GWh	Nov 2023	May 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	59 GWh	Oct 2017	May 2026	Solar
CSUF Trigeneration	California State University at Fullerton	Fullerton, CA	35 GWh	Sep 2010	May 2026	Natural Gas : 81.4% Solar : 18.6%
CSUF State College	MN8 Energy LLC	Fullerton, CA	2 GWh	Nov 2016	Dec 2024	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	Dec 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	71 GWh	Sep 1983	May 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	5 GWh	May 2024	Dec 2024	Solar
Coso Power Developers	Coso Operating Co LLC	Inyokern, CA	316 GWh	Oct 1989	May 2026	Geothermal
Coso Finance Partners	Coso Operating Co LLC	Inyokern, CA	364 GWh	Jun 1987	May 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	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 2024	Water
Colusa Generating Station	Pacific Gas & Electric Co.	Maxwell, CA	2 TWh	Nov 2010	May 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
Collins Pine Project	Collins Pine Co	Chester, CA	15 GWh	Nov 1985	Dec 2025	Wood/Wood Waste Solids
Collierville Powerhouse	Northern California Power Agny	Murphys, CA	396 GWh	Oct 1989	May 2026	Water
Colgate	Yuba County Water Agency - (CA)	Dobbins, CA	1 TWh	Sep 1969	Oct 2025	Water
Coleman PH	Pacific Gas & Electric Co.	Anderson, CA	31 GWh	May 1979	Dec 2025	Water
Cold Canyon 1	Toro Energy of California SLO	San Luis Obispo, CA	11 GWh	Jun 2013	Dec 2025	Landfill Gas
Coalinga Cogeneration Facility	Aera Energy LLC-Coalinga	Coalinga, CA	42 GWh	May 1988	Dec 2025	Natural Gas
Coalinga 25D Cogen	Chevron USA Inc	Coalinga, CA	39 GWh	Sep 1986	Dec 2025	Natural Gas
Coachella Hills Wind	Terra-Gen Operating Co-Wind	Palm Springs, CA	201 GWh	Feb 2021	May 2026	Wind
CM48	RWE Clean Energy	Boulder City, NV	90 GWh	May 2010	Dec 2025	Solar
CM10	RWE Clean Energy	Boulder City, NV	18 GWh	Nov 2008	Dec 2025	Solar
Clovis North High School	Tesla Inc.	Fresno, CA	2 GWh	Nov 2017	Dec 2025	Solar
Clovis High School	Tesla Inc.	Clovis, CA	2 GWh	Mar 2018	Dec 2025	Solar
Clovis East High School	Tesla Inc.	Clovis, CA	1 GWh	Mar 2018	Dec 2025	Solar
Cloverdale Solar I	Altus Power America Management, LLC	Cloverdale, CA	1 GWh	May 2014	Dec 2025	Solar
Cloverdale Solar Center	Adapture Renewables, Inc.	Cloverdale, CA	2 GWh	Apr 2019	Dec 2025	Solar
Clearwater Power Plant	City of Riverside - (CA)	Corona, CA	4 GWh	Feb 2005	Dec 2025	Natural Gas
Civic Center East	SoCore Energy LLC	Visalia, CA	3 GWh	Nov 2020	Dec 2025	Solar
City of Tulare Water Facility	City of Tulare Water Pollution Control - (CA)	Tulare, CA	16 GWh	Dec 1990	Dec 2025	Natural Gas : 61.0% Other Biomass Gas : 20.1% Solar : 19.0%
City of Soledad Water Reclamation	Foundation HA Energy Generation, LLC	Soledad, CA	4 GWh	Oct 2014	Dec 2025	Wind
City of Rosamond (CA)	Standard Solar	Rosamond, CA	3 GWh	Apr 2023	Dec 2025	Solar

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#25	Arizona Public Service Company	25.2 TWh	100
#54	Arlington Valley, LLC	3.2 TWh	1
#38	Balancing Authority of Northern California	13.7 TWh	90
#49	Imperial Irrigation District	6.2 TWh	66
#29	Los Angeles Department of Water and Power	18.8 TWh	131
#22	Nevada Power Company	36.8 TWh	143
#51	PUD No. 1 of Douglas County	4.4 TWh	4
#19	Salt River Project Agricultural Improvement and Power District	60.3 TWh	49
#57	Turlock Irrigation District	1.9 TWh	11
#40	Western Area Power Administration - Desert Southwest Region	10.4 TWh	34

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#3	Electric Reliability Council of Texas, Inc.	494.1 TWh	1,471
#5	Southwest Power Pool	306.8 TWh	856
#6	Southern Company Services, Inc. - Trans	253.5 TWh	422
#7	California Independent System Operator	169.4 TWh	2,135
#9	Tennessee Valley Authority	163.4 TWh	207
#10	Florida Power & Light Co.	152.2 TWh	187
#12	New York Independent System Operator	134.3 TWh	1,299
#13	Duke Energy Carolinas	112.6 TWh	577
#15	ISO New England	111.1 TWh	1,629
#16	Bonneville Power Administration	91.6 TWh	167