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
Foundation Cemex Madison	Foundation CA Fund V Manager, LLC	Madison, CA	2 GWh	Jul 2012	Dec 2025	Wind
Foundation Cemex BMQ	Foundation CA Fund VI Manager LLC	Apple Valley, CA	4 GWh	Nov 2012	Dec 2025	Wind
Foundation CDCR LAC	Foundation CA Fund VIII Manager, LLC	Lancaster, CA	4 GWh	Nov 2017	Dec 2025	Wind
Foundation California Training Facility	Foundation CA Fund IX Manager, LLC	Soledad, CA	6 GWh	Jul 2018	Dec 2025	Wind
Foundation AB	Foundation HA Energy Generation, LLC	Fairfield, CA	3 GWh	Oct 2011	Dec 2025	Wind
Foster Clean Power B	Foster Clean Power B LLC	Arcata, CA	901 MWh	Aug 2025	Dec 2025	Solar
Foster Clean Power A	Foster Clean Power A, LLC	Arcata, CA	846 MWh	Sep 2025	Dec 2025	Solar
Forks of Butte Hydro Project	Hypower Energy, LLC	Magalia, CA	58 GWh	Feb 1992	Dec 2025	Water
Forbestown	South Feather Water and Power Agency	Forbestown, CA	115 GWh	Sep 1963	Dec 2025	Water
Fontana	Southern California Edison Co	Rialto, CA	2 GWh	Nov 1917	Nov 2025	Water
FLEX Gibraltar	Bloom Energy	Milpitas, CA	8 GWh	Jan 2017	Dec 2025	Natural Gas
Five Points Solar Station	Pacific Gas & Electric Co.	Five Points, CA	13 GWh	Aug 2011	Dec 2025	Solar
Five Points Solar Park	Boralex US Operations LLC	Five Points, CA	81 GWh	Aug 2016	Dec 2025	Solar
Five Points Pipeline	Maas Energy Works	Riverdale, CA	22 MWh	Nov 2025	Dec 2025	Solar
Five H Farms Solar Array	Maas Energy Works	Merced, CA	2 GWh	Mar 2021	Dec 2025	Solar
Firestone Walker Brewery - Phase 1	SkyHigh 2 Solar	Paso Robles, CA	4 GWh	Oct 2020	Dec 2025	Solar
Firebaugh-CCS-PV-1	Mike Woolf Farming	Firebaugh, CA	2 GWh	Feb 2015	Dec 2025	Solar
Fifth Standard Solar PV, LLC (Hybrid)	RWE Clean Energy	Huron, CA	338 GWh	Aug 2023	Jul 2026	Solar
Feather River Energy Center	Calpine Corp-Yuba City	Yuba City, CA	35 GWh	Dec 2002	Dec 2025	Natural Gas
Farmersville	Arevon Energy, Inc.	Farmersville, CA	6 GWh	Jun 2014	Dec 2025	Solar
Expressway Solar C2	AES Distributed Energy	Victorville, CA	3 GWh	Oct 2014	Dec 2025	Solar
Expressway Solar B	AES Distributed Energy	Victorville, CA	4 GWh	Apr 2014	Dec 2025	Solar
Expressway Solar A	AES Distributed Energy	Victorville, CA	5 GWh	Apr 2014	Dec 2025	Solar
Exeter Solar	Altus Power America Management, LLC	Exeter, CA	6 GWh	Jan 2014	Dec 2025	Solar
Exchequer	Merced Irrigation District	Snelling, CA	246 GWh	Jun 1967	Dec 2025	Water
Etiwanda	Metropolitan Water District of S CA	Rancho Cucamonga, CA	1 GWh	Nov 1994	Jul 2025	Water
Estrella Solar & Storage	AES Clean Energy	Lancaster, CA	155 GWh	Nov 2023	Jul 2026	Solar
Escondido Energy Center	Wellhead Services, Inc	Escondido, CA	3 GWh	Dec 2013	Dec 2025	Natural Gas
ESCA-LL-COLTON, LLC	Madison Energy Holdings LLC	Colton, CA	4 GWh	Aug 2021	Dec 2025	Solar
EQX015 Great Oaks Fuel Cell	2016 ESA Project Company, LLC	San Jose, CA	31 GWh	Dec 2017	Dec 2025	Natural Gas
EQX011 Duane Fuel Cell	2016 ESA Project Company, LLC	Santa Clara, CA	31 GWh	Aug 2018	Dec 2025	Natural Gas
EQX010 Great Oaks Fuel Cell	2016 ESA Project Company, LLC	San Jose, CA	19 GWh	Aug 2019	Dec 2025	Natural Gas
Equinix San Jose	Bloom Energy	San Jose, CA	7 GWh	Oct 2015	Dec 2025	Natural Gas
Equinix Maple Ave. Fuel Cell	2016 ESA Project Company, LLC	El Segundo, CA	8 GWh	Aug 2017	Dec 2025	Natural Gas
Equinix Lundy Ave. Fuel Cell	2016 ESA Project Company, LLC	San Jose, CA	31 GWh	Aug 2017	Dec 2025	Natural Gas
Equinix Great Oaks Blvd. Fuel Cell	2016 ESA Project Company, LLC	San Jose, CA	27 GWh	Nov 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
Equinix Caspian Dr. Fuel Cell	2016 ESA Project Company, LLC	Sunnyvale, CA	39 GWh	Nov 2017	Dec 2025	Natural Gas
Enloe Medical - Chico	Bloom Energy	Chico, CA	15 GWh	May 2021	Dec 2025	Natural Gas
Enerparc CA1 LLC	CleanCapital Holdings	Hollister, CA	3 GWh	May 2014	Dec 2025	Solar
Energy Center	University of Redlands	Redlands, CA	4 GWh	Jan 2007	Dec 2025	Natural Gas
Encina Water Pollution Control	Encina Joint Powers Authority	Carlsbad, CA	14 GWh	Oct 2008	Jul 2026	Other Biomass Gas : 94.0% Natural Gas : 6.0%
Enchanted Rock Lodi	Enchanted Rock	Lodi, CA	5 GWh	Oct 2024	Dec 2025	Natural Gas
EMWD - Sun City RWRF	SkyHigh 2 Solar	Menifee, CA	4 GWh	Jun 2021	Dec 2025	Solar
EMWD - San Jacinto RWRF NEM	SkyHigh 2 Solar	San Jacinto, CA	3 GWh	Jun 2021	Dec 2025	Solar
EMWD - San Jacinto RES BCT	SkyHigh 2 Solar	San Jacinto, CA	11 GWh	Apr 2022	Dec 2025	Solar
EMWD - Perris Valley RWRF	SkyHigh 2 Solar	Perris, CA	8 GWh	Jun 2021	Dec 2025	Solar
EMWD - Moreno Valley RWRF	SkyHigh 2 Solar	Moreno Valley, CA	5 GWh	Jun 2021	Dec 2025	Solar
Ellwood	Ellwood Power, LLC	Goleta, CA	305 MWh	Jul 1974	Dec 2025	Natural Gas
Ellis Creek Solar	Ellis Creek Solar, LLC	Petaluma, CA	1 GWh	Sep 2025	Dec 2025	Solar
Elkhorn Dairy	Bravo REC Management LLC	Visalia, CA	1 GWh	Jan 2009	Dec 2025	Solar
Elk Hills Power LLC	Elk Hills Power LLC	Tupman, CA	3 TWh	Jun 2003	Jul 2026	Natural Gas
Elk Hills Cogen	California Resources Elk Hills LLC	Tupman, CA	103 GWh	Oct 1994	Jul 2026	Natural Gas
Elevation Solar C	AES Distributed Energy	Lancaster, CA	105 GWh	Nov 2016	Jul 2026	Solar
Electra	Pacific Gas & Electric Co.	Jackson, CA	257 GWh	May 1948	Jul 2026	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%
El Dorado Solar, LLC	Altus Power America Management, LLC	El Dorado Hills, CA	3 GWh	Mar 2021	Dec 2025	Solar
El Dorado County	SkyHigh 2 Solar	Placerville, CA	3 GWh	Feb 2021	Dec 2025	Solar
El Dorado	El Dorado Irrigation District	Pollock Pines, CA	81 GWh	Dec 1923	Dec 2025	Water
El Cajon Energy Center	Wellhead Services, Inc	El Cajon, CA	20 GWh	May 2010	Dec 2025	Natural Gas
Edwards Sanborn S4	Terra-Gen Operating Co-Hybrid	Mojave, CA	94 GWh	Oct 2022	Jul 2026	Solar
Edwards Sanborn S3	Terra-Gen Operating Co-Hybrid	Mojave, CA	80 GWh	Feb 2022	Jul 2026	Solar
Edwards Sanborn S1	Terra-Gen Operating Co-Hybrid	Mojave, CA	97 GWh	Feb 2022	Jul 2026	Solar
Edwards Sanborn E5	Terra-Gen Operating Co-Hybrid	Mojave, CA	152 GWh	Nov 2022	Jul 2026	Solar
Edwards Sanborn E4	Terra-Gen Operating Co-Hybrid	Mojave, CA	331 GWh	Nov 2022	Jul 2026	Solar
Edwards Sanborn E3	Terra-Gen Operating Co-Hybrid	Mojave, CA	57 GWh	Nov 2021	Jul 2026	Solar
Edwards Sanborn E2	Terra-Gen Operating Co-Hybrid	Mojave, CA	289 GWh	Nov 2021	Jul 2026	Solar
Edwards Sanborn E1B	Terra-Gen Operating Co-Hybrid	Mojave, CA	349 GWh	Oct 2022	Jul 2026	Solar
Edwards Sanborn E1A	Terra-Gen Operating Co-Hybrid	Mojave, CA	313 GWh	Jul 2022	Jul 2026	Solar
Edwards Sanborn 1C	Terra-Gen Operating Co-Hybrid	Mojave, CA	296 GWh	Oct 2025	Jul 2026	Solar
Edward C Hyatt	California Dept. of Water Resources	Oroville, CA	2 TWh	Feb 1968	Jul 2026	Water
Edom Hills Project 1 LLC	Edom Hills Project 1 LLC	Cathedral City, CA	5 GWh	Aug 2008	Jun 2025	Wind
EDF Renewable Windfarm V Inc	EDF Renewable Asset Holdings, Inc.	Birds Landing, CA	23 GWh	Dec 1989	Dec 2025	Wind
East Winds Project	Terra-Gen Operating Co-Wind	Palm Springs, CA	6 GWh	Nov 1983	Dec 2025	Wind
East Portal Generator	Calleguas Mun Water District	Chatsworth, CA	5 GWh	Dec 1986	Dec 2025	Water
East Cleveland Road Solar	RPCA Solar 7, LLC	El Nido, CA	6 GWh	Jan 2025	Dec 2025	Solar
Eagle Creek	ZGlobal Inc	Taft, CA	8 GWh	Nov 2019	Dec 2025	Solar
EAFB - South Base	CleanCapital Holdings	Edwards Air Force Bas, CA	2 GWh	Jan 2012	Dec 2025	Solar
EAFB - North Base	CleanCapital Holdings	Edwards Air Force Bas, CA	3 GWh	Jan 2012	Dec 2025	Solar
E F Oxnard Energy Facility	EF Oxnard, LLC	Oxnard, CA	8 GWh	May 1990	Jul 2026	Natural Gas
E&B Resources	Terraform Arcadia	Bakersfield, CA	2 GWh	Nov 2013	Dec 2025	Solar
Dynegy Oakland Power Plant	Dynegy Oakland, LLC	Oakland, CA	2 GWh	Oct 1978	May 2026	Jet Fuel
Dynegy Moss Landing Power Plant Hybrid	Dynegy -Moss Landing LLC	Moss Landing, CA	2 TWh	Nov 1967	Jul 2026	Natural Gas
Dutch Flat 2	Nevada Irrigation District	Dutch Flat, CA	15 GWh	Oct 1965	Dec 2025	Water
Dutch Flat	Pacific Gas & Electric Co.	Alta, CA	66 GWh	Feb 1943	Dec 2025	Water
Dulles	Golden Springs Development Company LLC	Jurupa Valley, CA	2 GWh	Aug 2016	Dec 2025	Solar
DSH (CA) - Coalinga State Hospital	Team-Solar, Inc.	Coalinga, CA	4 GWh	Jun 2014	Dec 2025	Solar
Drum 2	Pacific Gas & Electric Co.	Alta, CA	164 GWh	Nov 1965	Dec 2025	Water
Drum 1	Pacific Gas & Electric Co.	Alta, CA	15 GWh	Oct 1913	Dec 2025	Water
Drews Generating Facility	Colton Power LP	Colton, CA	570 MWh	Jul 2001	Dec 2025	Natural Gas
Drew Solar LLC	Drew Solar LLC	Calexico, CA	306 GWh	Oct 2022	Jul 2026	Solar
Dover Dairy	Renewable Solar, Inc	Hanford, CA	2 GWh	Apr 2022	Dec 2025	Solar
Double J Dairy Array	Bravo REC Management LLC	Visalia, CA	9 GWh	Oct 2023	Dec 2025	Solar
Double C Generation Limited Partnership	WCAC Operating Company	Bakersfield, CA	6 GWh	Feb 1989	Dec 2025	Natural Gas
Dos Palos Clean Power	Dos Palos Clean Power LLC	Dos Palos, CA	6 GWh	Feb 2025	Dec 2025	Solar
Dos Palos	Greenbacker Renewable Energy Corporation	Dos Palos, CA	2 GWh	Oct 2021	Dec 2024	Solar
Donnells	Oakdale&South San Joaquin Irrigation D.	None, CA	233 GWh	May 1957	Dec 2025	Water
Donald Von Raesfeld Power Plant	City of Santa Clara - (CA)	Santa Clara, CA	910 GWh	Feb 2005	Jul 2026	Natural Gas
Donaghy-Stockton	Donaghy Sales Inc.	Stockton, CA	2 GWh	Sep 2021	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