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
EAFB - South Base	CleanCapital Holdings	Edwards Air Force Bas, CA	2 GWh	Jan 2012	Dec 2023	Solar
Eagle Creek	ZGlobal Inc	Taft, CA	8 GWh	Nov 2019	Dec 2023	Solar
East Portal Generator	Calleguas Mun Water District	Chatsworth, CA	4 GWh	Dec 1986	Dec 2023	Water
East Winds Project	Terra-Gen Operating Co-Wind	Palm Springs, CA	5 GWh	Nov 1983	Dec 2023	Wind
EDF Renewable Windfarm V Inc	EDF Renewable Asset Holdings, Inc.	Birds Landing, CA	21 GWh	Dec 1989	Dec 2023	Wind
Edom Hills Project 1 LLC	Edom Hills Project 1 LLC	Cathedral City, CA	11 GWh	Aug 2008	Dec 2023	Wind
Edward C Hyatt	California Dept. of Water Resources	Oroville, CA	2 TWh	Feb 1968	Sep 2024	Water
Edwards Air Force Base	CleanCapital Holdings	Edwards, CA	866 MWh	Nov 2011	Dec 2023	Solar
Edwards Sanborn E1A	Terra-Gen Operating Co-Hybrid	Mojave, CA	326 GWh	Jul 2022	Sep 2024	Solar
Edwards Sanborn E1B	Terra-Gen Operating Co-Hybrid	Mojave, CA	334 GWh	Oct 2022	Sep 2024	Solar
Edwards Sanborn E2	Terra-Gen Operating Co-Hybrid	Mojave, CA	296 GWh	Nov 2021	Sep 2024	Solar
Edwards Sanborn E3	Terra-Gen Operating Co-Hybrid	Mojave, CA	50 GWh	Nov 2021	Sep 2024	Solar
Edwards Sanborn E4	Terra-Gen Operating Co-Hybrid	Mojave, CA	285 GWh	Nov 2022	Sep 2024	Solar
Edwards Sanborn E5	Terra-Gen Operating Co-Hybrid	Mojave, CA	132 GWh	Nov 2022	Sep 2024	Solar
Edwards Sanborn S1	Terra-Gen Operating Co-Hybrid	Mojave, CA	93 GWh	Feb 2022	Sep 2024	Solar
Edwards Sanborn S3	Terra-Gen Operating Co-Hybrid	Mojave, CA	80 GWh	Feb 2022	Sep 2024	Solar
Edwards Sanborn S4	Terra-Gen Operating Co-Hybrid	Mojave, CA	72 GWh	Oct 2022	Sep 2024	Solar
El Cajon Energy Center	Wellhead Services, Inc	El Cajon, CA	8 GWh	May 2010	Dec 2023	Natural Gas
El Dorado	El Dorado Irrigation District	Pollock Pines, CA	101 GWh	Dec 1923	Dec 2023	Water
El Dorado County	SkyHigh 2 Solar	Placerville, CA	4 GWh	Feb 2021	Dec 2023	Solar
El Dorado Solar, LLC	Greenbacker Renewable Energy Corporation	El Dorado Hills, CA	3 GWh	Mar 2021	Dec 2023	Solar
El Nido Facility	Merced Power LLC	El Nido, CA	44 GWh	Jul 2008	Feb 2023	Wood/Wood Waste Solids : 99.8%
El Segundo Cogen	Chevron USA Inc-El Segundo	El Segundo, CA	1 TWh	Nov 1987	Sep 2024	Natural Gas : 99.8%
El Segundo Energy Center LLC	El Segundo Energy Center, LLC	El Segundo, CA	154 GWh	Jun 2013	Sep 2024	Natural Gas
Electra	Pacific Gas & Electric Co.	Jackson, CA	338 GWh	May 1948	Sep 2024	Water
Elevation Solar C	AES Distributed Energy	Lancaster, CA	98 GWh	Nov 2016	Sep 2024	Solar
Elk Hills Cogen	California Resources Elk Hills LLC	Tupman, CA	81 GWh	Oct 1994	Aug 2024	Natural Gas
Elk Hills Power LLC	Elk Hills Power LLC	Tupman, CA	2 TWh	Jun 2003	Sep 2024	Natural Gas
Ellwood	Ellwood Power, LLC	Goleta, CA	4 GWh	Jul 1974	Dec 2023	Natural Gas
EMWD - Moreno Valley RWRF	SkyHigh 2 Solar	Moreno Valley, CA	5 GWh	Jun 2021	Dec 2023	Solar
EMWD - Perris Valley RWRF	SkyHigh 2 Solar	Perris, CA	8 GWh	Jun 2021	Dec 2023	Solar
EMWD - San Jacinto RES BCT	SkyHigh 2 Solar	San Jacinto, CA	3 GWh	Apr 2022	Nov 2023	Solar
EMWD - San Jacinto RWRF NEM	SkyHigh 2 Solar	San Jacinto, CA	9 GWh	Jun 2021	Dec 2023	Solar
EMWD - Sun City RWRF	SkyHigh 2 Solar	Menifee, CA	4 GWh	Jun 2021	Dec 2023	Solar
Encina Water Pollution Control	Encina Joint Powers Authority	Carlsbad, CA	14 GWh	Oct 2008	Sep 2024	Other Biomass Gas : 96.1% Natural Gas : 3.9%
Energy Center	University of Redlands	Redlands, CA	5 GWh	Jan 2007	Dec 2023	Natural Gas
Enerparc CA1 LLC	Enerparc CA 1, LLC	Hollister, CA	2 GWh	May 2014	Dec 2023	Solar
Enloe Medical - Chico	Bloom Energy	Chico, CA	13 GWh	May 2021	Dec 2023	Natural Gas
Equinix Caspian Dr. Fuel Cell	2016 ESA Project Company, LLC	Sunnyvale, CA	36 GWh	Nov 2017	Dec 2023	Natural Gas
Equinix Douglas St. Fuel Cell	2016 ESA Project Company, LLC	El Segundo, CA	8 GWh	Aug 2017	Dec 2023	Natural Gas
Equinix Great Oaks Blvd. Fuel Cell	2016 ESA Project Company, LLC	San Jose, CA	28 GWh	Nov 2017	Dec 2023	Natural Gas
Equinix Lundy Ave. Fuel Cell	2016 ESA Project Company, LLC	San Jose, CA	28 GWh	Aug 2017	Dec 2023	Natural Gas
Equinix Maple Ave. Fuel Cell	2016 ESA Project Company, LLC	El Segundo, CA	8 GWh	Aug 2017	Dec 2023	Natural Gas
Equinix San Jose	Bloom Energy	San Jose, CA	8 GWh	Oct 2015	Dec 2023	Natural Gas
EQX010 Great Oaks Fuel Cell	2016 ESA Project Company, LLC	San Jose, CA	17 GWh	Aug 2019	Dec 2023	Natural Gas
EQX011 Duane Fuel Cell	2016 ESA Project Company, LLC	Santa Clara, CA	21 GWh	Aug 2018	Dec 2023	Natural Gas
EQX015 Great Oaks Fuel Cell	2016 ESA Project Company, LLC	San Jose, CA	29 GWh	Dec 2017	Dec 2023	Natural Gas
ESCA-LL-COLTON, LLC	Madison Energy Holdings LLC	Colton, CA	5 GWh	Aug 2021	Dec 2023	Solar
Escondido Energy Center	Wellhead Services, Inc	Escondido, CA	23 GWh	Dec 2013	Dec 2023	Natural Gas
Estrella Solar & Storage	AES Clean Energy	Lancaster, CA	88 GWh	Nov 2023	Sep 2024	Solar
Etiwanda	Metropolitan Water District of S CA	Rancho Cucamonga, CA	17 GWh	Nov 1994	Dec 2023	Water
Exchequer	Merced Irrigation District	Snelling, CA	251 GWh	Jun 1967	Dec 2023	Water
Exeter Solar	Altus Power America Management, LLC	Exeter, CA	4 GWh	Jan 2014	Dec 2023	Solar
Expressway Solar A	AES Distributed Energy	Victorville, CA	4 GWh	Apr 2014	Dec 2023	Solar
Expressway Solar B	AES Distributed Energy	Victorville, CA	4 GWh	Apr 2014	Dec 2023	Solar
Expressway Solar C2	AES Distributed Energy	Victorville, CA	3 GWh	Oct 2014	Dec 2023	Solar
Extreme San Ignacio	Bloom Energy	San Jose, CA	6 GWh	Apr 2019	Dec 2023	Natural Gas
Extreme Via Del Oro	Bloom Energy	San Jose, CA	8 GWh	Feb 2019	Dec 2023	Natural Gas
Farmersville	Arevon Energy, Inc.	Farmersville, CA	6 GWh	Jun 2014	Dec 2023	Solar
Feather River Energy Center	Calpine Corp-Yuba City	Yuba City, CA	45 GWh	Dec 2002	Dec 2023	Natural Gas
Fifth Standard Solar PV, LLC (Hybrid)	RWE Renewables Americas, LLC	Huron, CA	338 GWh	Aug 2023	Sep 2024	Solar
Firebaugh-CCS-PV-1	Mike Woolf Farming	Firebaugh, CA	2 GWh	Feb 2015	Dec 2023	Solar
Firestone Walker Brewery - Phase 1	SkyHigh 2 Solar	Paso Robles, CA	4 GWh	Oct 2020	Dec 2023	Solar
Five H Farms Solar Array	Maas Energy Works	Merced, CA	2 GWh	Mar 2021	Dec 2023	Solar
Five Points Solar Park	Five Points Solar Park, LLC	Five Points, CA	102 GWh	Aug 2016	Dec 2023	Solar
Five Points Solar Station	Pacific Gas & Electric Co.	Five Points, CA	19 GWh	Aug 2011	Dec 2023	Solar
FLEX Gibraltar	Bloom Energy	Milpitas, CA	9 GWh	Jan 2017	Dec 2023	Natural Gas
Fontana	Southern California Edison Co	Rialto, CA	6 GWh	Nov 1917	Dec 2023	Water
Foothill Feeder	Metropolitan Water District of S CA	Castaic, CA	20 GWh	Mar 1981	Dec 2023	Water
Forbestown	South Feather Water and Power Agency	Forbestown, CA	155 GWh	Sep 1963	Dec 2023	Water
Forks of Butte Hydro Project	HYPOWER INC	Magalia, CA	42 GWh	Feb 1992	Dec 2023	Water
Foundation AB	Foundation HA Energy Generation, LLC	Fairfield, CA	3 GWh	Oct 2011	Dec 2023	Wind
Foundation California Training Facility	Foundation CA Fund IX Manager, LLC	Soledad, CA	6 GWh	Jul 2018	Dec 2023	Wind
Foundation CDCR LAC	Foundation CA Fund VIII Manager, LLC	Lancaster, CA	4 GWh	Nov 2017	Dec 2023	Wind
Foundation Cemex BMQ	Foundation CA Fund VI Manager LLC	Apple Valley, CA	4 GWh	Nov 2012	Dec 2023	Wind
Foundation Cemex Madison	Foundation CA Fund V Manager, LLC	Madison, CA	2 GWh	Jul 2012	Dec 2023	Wind
Foundation Cemex River Plant	Foundation CA Fund VI Manager LLC	Victorville, CA	3 GWh	Nov 2012	Dec 2023	Wind
Foundation Dole Fresh Vegetables	Foundation CA Fund X Manager LLC	Soledad, CA	18 GWh	Jul 2022	Dec 2023	Wind
Foundation IE	Foundation HA Energy Generation, LLC	Rancho Cucamonga, CA	391 MWh	Nov 2011	Dec 2023	Wind
Foundation Mann Packing	Foundation CA Fund IX Manager, LLC	Gonzales, CA	6 GWh	Mar 2019	Dec 2023	Wind
Foundation NWNA	Foundation CA Fund V Manager, LLC	Cabazon, CA	23 GWh	Nov 2012	Dec 2023	Wind
Foundation RRM	Foundation CA Fund V Manager, LLC	Cabazon, CA	10 GWh	Nov 2012	Dec 2023	Wind
Foundation SaIinas Valley State Prison	Foundation CA Fund IX Manager, LLC	Soledad, CA	5 GWh	Jul 2018	Dec 2023	Wind
Foundation Scheid Vineyards	Foundation CA Fund VIII Manager, LLC	Greenfield, CA	4 GWh	Aug 2017	Dec 2023	Wind
Foundation ST	Foundation HA Energy Generation, LLC	Tracy, CA	2 GWh	May 2011	Dec 2023	Wind
Foundation Superior Farms	Foundation CA Fund VI Manager LLC	Dixon, CA	690 MWh	Nov 2012	Sep 2024	Wind
Foundation Wal-Mart Red Bluff	Foundation CA Fund VI Manager LLC	Red Bluff, CA	2 GWh	Aug 2012	Sep 2024	Wind
FPL Energy Montezuma Winds LLC	FPL Energy Montezuma Wind	Birds Landing, CA	98 GWh	Oct 2010	Dec 2023	Wind
Frankenheimer Power Plant	Turlock Irrigation District	Oakdale, CA	3 GWh	Feb 1983	Oct 2023	Water
Franklin Templeton San Mateo	Bloom Energy	San Mateo, CA	4 GWh	Oct 2011	Dec 2023	Natural Gas
Freeway Springs	Golden Springs Development Company LLC	Santa Fe Springs, CA	2 GWh	Sep 2016	Dec 2023	Solar
Fremont CA AutoFactory	Tesla Inc.	Fremont, CA	532 MWh	Feb 2022	Dec 2023	Solar
Fremont - Kato Rd	Tesla Inc.	Fremont, CA	2 GWh	Nov 2016	Dec 2023	Solar
French Meadows	Placer County Water Agency	Foresthill, CA	67 GWh	Sep 1966	Dec 2023	Water
Fresno Bullard High School Hybrid	Forefront Power, LLC	Fresno, CA	2 GWh	Feb 2020	Dec 2023	Solar
Fresno Cogen Partners	Wellhead Services, Inc	San Joaquin, CA	3 GWh	Dec 1989	Dec 2023	Natural Gas
Fresno Hoover High School Hybrid	Forefront Power, LLC	Fresno, CA	2 GWh	Feb 2020	Dec 2023	Solar : 99.3% Electricity used for energy storage : 0.7%
Fresno Solar	Wellhead Services, Inc	San Joaquin, CA	4 GWh	Sep 2015	Dec 2023	Solar
Fresno Sunnyside High School Hybrid	Forefront Power, LLC	Fresno, CA	3 GWh	Nov 2020	Dec 2023	Solar
Friant Hydro Facility	Friant Power Authority	Friant, CA	106 GWh	Mar 1985	Dec 2023	Water

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