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
Mountain View Ind Park 1-sline001	Prologis Logistics Services Incorporated	Fontana, CA	371 MWh	Aug 2023	Dec 2025	Solar
NextEra Westside PV	Westside Solar, LLC	Five Points, CA	26 GWh	Feb 2017	Dec 2025	Solar
Whitney Point Solar	Whitney Point Solar, LLC	Five Points, CA	54 GWh	Feb 2017	Dec 2025	Solar
Five Points Solar Park	Boralex US Operations LLC	Five Points, CA	81 GWh	Aug 2016	Dec 2025	Solar
Westside Solar Station	Pacific Gas & Electric Co.	Five Points, CA	12 GWh	Jul 2011	Dec 2025	Solar
Five Points Solar Station	Pacific Gas & Electric Co.	Five Points, CA	13 GWh	Aug 2011	Dec 2025	Solar
Wellhead Power Panoche	Wellhead Services, Inc	Firebaugh, CA	7 GWh	Jul 1973	Dec 2025	Natural Gas
CalPeak Power Panoche Peaker Plant	CalPeak Power, LLC	Firebaugh, CA	2 GWh	Nov 2001	Nov 2025	Natural Gas
Panoche Energy Center	Panoche Energy Center, LLC	Firebaugh, CA	731 GWh	May 2009	Jul 2026	Natural Gas
Midway Peaking LLC	CalPeak Power, LLC	Firebaugh, CA	6 GWh	Apr 2009	Dec 2025	Natural Gas
Firebaugh-CCS-PV-1	Mike Woolf Farming	Firebaugh, CA	2 GWh	Feb 2015	Dec 2025	Solar
Wonderful Orchards - New Columbia	Wonderful Renewable Energy, LLC.	Firebaugh, CA	11 GWh	Aug 2020	Dec 2025	Solar
Wonderful Firebaugh	Wonderful Renewable Energy, LLC.	Firebaugh, CA	10 GWh	Jul 2022	Dec 2025	Solar
Conflitti Solar	CES Electron Farm One, LLC	Firebaugh, CA	100 MWh	-	Dec 2025	Solar
Ventura Solar	Ventura Solar LLC	Fillmore, CA	6 GWh	Aug 2021	Dec 2025	Solar
Midway Sunset Cogen	Midway-Sunset Cogeneration Co	Fellows, CA	8 GWh	Apr 1989	Jul 2026	Natural Gas
Dome Project	Sentinel Peak Resources California, LLC	Fellows, CA	48 GWh	Jul 1988	Dec 2025	Natural Gas
Sunrise Power LLC	Sunrise Power Co LLC	Fellows, CA	2 TWh	May 2001	Jul 2026	Natural Gas
Farmersville	Arevon Energy, Inc.	Farmersville, CA	6 GWh	Jun 2014	Dec 2025	Solar
Cawelo Water District Solar	Scooby Solar, LLC	Famoso, CA	7 GWh	Sep 2023	Dec 2025	Solar
Dixie Valley	Ormat Nevada Inc	Fallon, NV	469 GWh	May 1988	Jul 2026	Geothermal
Shasta Solar Farm	Ignite Solar Holdings LLC	Fall River Mills, CA	6 GWh	Feb 2014	Dec 2025	Solar
Foundation AB	Foundation HA Energy Generation, LLC	Fairfield, CA	3 GWh	Oct 2011	Dec 2025	Wind
Anheuser-Busch #2	Foundation HA Energy Generation, LLC	Fairfield, CA	3 GWh	Oct 2014	Jul 2026	Wind
Wolfskill Energy Center	Gilroy Energy Center LLC	Fairfield, CA	4 GWh	Dec 2002	Dec 2025	Natural Gas
Solano County Cogen Plant	Solano County - (CA)	Fairfield, CA	8 GWh	May 1989	Dec 2025	Natural Gas
SunEdison Anheuser Busch Fairfield	SunE M5 Holdings LLC	Fairfield, CA	1 GWh	Nov 2008	Dec 2025	Solar
North Bay Solar 1	AES Distributed Energy	Fairfield, CA	2 GWh	Jul 2013	Dec 2025	Solar
ATT North Watney	Bloom Energy	Fairfield, CA	8 GWh	Nov 2019	Dec 2025	Natural Gas
Anheuser Busch - Fairfield	Bloom Energy	Fairfield, CA	21 GWh	Nov 2022	Dec 2025	Natural Gas
Exeter Solar	Altus Power America Management, LLC	Exeter, CA	6 GWh	Jan 2014	Dec 2025	Solar
Humboldt Bay	Pacific Gas & Electric Co.	Eureka, CA	312 GWh	Aug 2010	Jul 2026	Natural Gas : 99.4% Distillate Fuel Oil : 0.6%
Goal Line LP	Goal Line LP	Escondido, CA	13 GWh	Jul 1994	Jul 2026	Natural Gas
Palomar Energy	San Diego Gas & Electric Co	Escondido, CA	1 TWh	Sep 2005	Jul 2026	Natural Gas
CalPeak Power Enterprise Peaker Plant	CalPeak Power, LLC	Escondido, CA	2 GWh	Oct 2001	Dec 2025	Natural Gas
Escondido Energy Center	Wellhead Services, Inc	Escondido, CA	3 GWh	Dec 2013	Dec 2025	Natural Gas
Bear Valley	City of Escondido - (CA)	Escondido, CA	3 GWh	May 1986	Aug 2025	Water
Spaulding 1	Pacific Gas & Electric Co.	Emigrant Gap, CA	17 GWh	Apr 1928	Dec 2025	Water
Spaulding 2	Pacific Gas & Electric Co.	Emigrant Gap, CA	21 MWh	Jun 1928	Nov 2025	Water
Spaulding 3	Pacific Gas & Electric Co.	Emigrant Gap, CA	17 GWh	Jan 1929	Dec 2025	Water
Pixar - Emeryville	Bloom Energy	Emeryville, CA	7 GWh	Dec 2013	Dec 2025	Natural Gas
Stony Gorge	City of Santa Clara - (CA)	Elk Creek, CA	9 GWh	Mar 1986	Dec 2025	Water
El Segundo Energy Center LLC	NRG Energy Services LLC	El Segundo, CA	63 GWh	Jun 2013	Jul 2026	Natural Gas
El Segundo Cogen	Chevron USA Inc-El Segundo	El Segundo, CA	1 TWh	Nov 1987	Jul 2026	Natural Gas : 99.8%
Equinix Maple Ave. Fuel Cell	2016 ESA Project Company, LLC	El Segundo, CA	8 GWh	Aug 2017	Dec 2025	Natural Gas
Equinix Douglas St. Fuel Cell	2016 ESA Project Company, LLC	El Segundo, CA	15 GWh	Aug 2017	Dec 2025	Natural Gas
East Cleveland Road Solar	RPCA Solar 7, LLC	El Nido, CA	6 GWh	Jan 2025	Dec 2025	Solar
Sheep Creek Community Solar Farm	Phelan Solar LLC	El Mirage, CA	6 GWh	Jul 2023	Dec 2025	Solar
El Dorado Solar, LLC	Altus Power America Management, LLC	El Dorado Hills, CA	3 GWh	Mar 2021	Dec 2025	Solar
Broadridge Cogen	Broadridge Customer Communications	El Dorado Hills, CA	9 GWh	Apr 2008	Dec 2025	Natural Gas : 83.4% Solar : 16.6%
Campo Verde Solar	Southern Power Co	El Centro, CA	293 GWh	Sep 2013	Dec 2025	Solar
El Cajon Energy Center	Wellhead Services, Inc	El Cajon, CA	20 GWh	May 2010	Dec 2025	Natural Gas
Cuyamaca Peak Energy Plant	San Diego Gas & Electric Co	El Cajon, CA	10 GWh	Apr 2002	Dec 2025	Natural Gas
Grossmont-Cuyamaca-Cuyamaca Col. Solar &	Forefront Power, LLC	El Cajon, CA	3 GWh	Feb 2024	Dec 2025	Solar
Grossmont College	Forefront Power, LLC	El Cajon, CA	5 GWh	Feb 2023	Dec 2025	Solar
Grossmont HS Solar Project	MN8 Energy LLC	El Cajon, CA	2 GWh	Nov 2018	Dec 2025	Solar
EAFB - North Base	CleanCapital Holdings	Edwards Air Force Bas, CA	3 GWh	Jan 2012	Dec 2025	Solar
EAFB - South Base	CleanCapital Holdings	Edwards Air Force Bas, CA	2 GWh	Jan 2012	Dec 2025	Solar
Woodmere Solar Farm	AES Distributed Energy	Edison, CA	29 GWh	Nov 2015	Dec 2025	Solar
Hayworth Solar	AES Distributed Energy	Edison, CA	47 GWh	Nov 2015	Dec 2025	Solar
Redcrest Solar Farm	AES Distributed Energy	Edison, CA	34 GWh	Sep 2015	Dec 2025	Solar
Redwood 4 Solar Farm	54 KR 8me LLC	Edison, CA	19 GWh	Nov 2017	Dec 2025	Solar
Chambers 4 - Eastvale DCA2	MN8 Energy LLC	Eastvale, CA	3 GWh	Nov 2018	Dec 2025	Solar
Chambers 4 - Eastvale LGB3	MN8 Energy LLC	Eastvale, CA	5 GWh	Jan 2019	Dec 2025	Solar
Dutch Flat 2	Nevada Irrigation District	Dutch Flat, CA	15 GWh	Oct 1965	Dec 2025	Water
Castor Solar	ZGlobal Inc	Dustin Acres, CA	766 MWh	Mar 2016	Dec 2025	Solar
CED Ducor 1	RWE Clean Energy	Ducor, CA	52 GWh	Nov 2016	Dec 2025	Solar
CED Ducor 2	RWE Clean Energy	Ducor, CA	52 GWh	Nov 2016	Dec 2025	Solar
CED Ducor 3	RWE Clean Energy	Ducor, CA	38 GWh	Nov 2016	Dec 2025	Solar
CED Ducor 4	RWE Clean Energy	Ducor, CA	52 GWh	Nov 2016	Dec 2025	Solar
Rexford Solar Farm	AES Clean Energy	Ducor, CA	704 GWh	Jan 2025	Jul 2026	Solar
Santa Rita Jail Fuel Cell	SRJFC, LLC	Dublin, CA	8 GWh	Nov 2016	Dec 2025	Natural Gas
Santa Rita Jail Hybrid	County of Alameda GSA - (CA)	Dublin, CA	10 GWh	Aug 2001	Dec 2025	Natural Gas : 77.7% Solar : 22.3%
ISH Solar Hospital Downey	Kaiser Permanente	Downey, CA	1 GWh	Aug 2011	Dec 2025	Solar
Kaiser Downey	Bloom Energy 2009 PPA	Downey, CA	8 GWh	May 2012	Dec 2025	Natural Gas
Dos Palos	Greenbacker Renewable Energy Corporation	Dos Palos, CA	2 GWh	Oct 2021	Dec 2024	Solar
Sun Harvest Solar NDP1	Altus Power America Management, LLC	Dos Palos, CA	3 GWh	Apr 2015	Dec 2025	Solar
Henry Miller RD	Henry Miller Reclamation District	Dos Palos, CA	3 GWh	Sep 2018	Dec 2025	Solar
Dos Palos Clean Power	Dos Palos Clean Power LLC	Dos Palos, CA	6 GWh	Feb 2025	Dec 2025	Solar
Deadwood Creek	Hydro Sierra Energy, LLC	Dobbins, CA	2 GWh	Nov 1993	Dec 2025	Water
Colgate	Yuba County Water Agency - (CA)	Dobbins, CA	1 TWh	Sep 1969	Oct 2025	Water
Foundation Superior Farms	Foundation CA Fund VI Manager LLC	Dixon, CA	766 MWh	Nov 2012	Jul 2026	Wind
Dinuba Wastewater Treatment Plant	AES Distributed Energy	Dinuba, CA	1 GWh	Oct 2011	Dec 2025	Solar
Agriculture Capital - Legacy Packing	Distributed Solar Development, LLC	Dinuba, CA	4 GWh	Nov 2022	Dec 2025	Solar
Sentinel Energy Center, LLC	Sentinel Energy Center LLC	Desert Hot Springs, CA	165 GWh	Apr 2013	Jul 2026	Natural Gas
Desert Hot Springs Solar	RWE Clean Energy	Desert Hot Springs, CA	3 GWh	Nov 2013	Dec 2025	Solar
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
Maverick Solar 7, LLC	Maverick Solar 7, LLC	Desert Center, CA	397 GWh	Nov 2021	Jul 2026	Solar
Maverick Solar 6, LLC	Maverick Solar 6, LLC	Desert Center, CA	233 GWh	Oct 2021	Jul 2026	Solar
Desert Harvest, LLC	Desert Harvest, LLC	Desert Center, CA	230 GWh	Nov 2020	Jul 2026	Solar
SE Athos II, LLC	SE Athos II, LLC	Desert Center, CA	516 GWh	Nov 2021	Jul 2026	Solar
Maverick Solar 4, LLC	Maverick Solar 4, LLC	Desert Center, CA	294 GWh	Nov 2020	Jul 2026	Solar
Desert Harvest II LLC	Desert Harvest II LLC	Desert Center, CA	193 GWh	Nov 2020	Jul 2026	Solar
Athos Solar Project	SE Athos I, LLC	Desert Center, CA	675 GWh	May 2022	Jul 2026	Solar
Arica Solar	Arica Solar, LLC	Desert Center, CA	725 GWh	Feb 2024	Jul 2026	Solar
Victory Pass	Victory Pass I, LLC	Desert Center, CA	563 GWh	Feb 2024	Jul 2026	Solar
Oberon II Solar Project	Intersect USA, LLC	Desert Center, CA	563 GWh	Aug 2023	Jul 2026	Solar
Oberon Solar Project	Intersect USA, LLC	Desert Center, CA	559 GWh	Aug 2023	Jul 2026	Solar
Maverick Solar, LLC	Maverick Solar, LLC	Desert Center, CA	312 GWh	Nov 2020	Jul 2026	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