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%

Map of California Independent System Operator

Register Now for Comprehensive Access

Subscribe now to access all power plant data, utility information, FERC EQR data, and more for California Independent System Operator.

Create Your Account Today

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

Download Generation

Plant Name	Utility	Location	Annual Generation	Plant Date	Last Update	Fuel Types
AT&T - Hayward	Bloom Energy	Hayward, CA	8 GWh	Oct 2016	Dec 2025	Natural Gas
Russell City Energy Center	Russell City Energy Company LLC	Hayward, CA	2 TWh	Jul 2013	Jul 2026	Natural Gas
City of Hayward WWTP	City of Hayward (CA)	Hayward, CA	11 GWh	Oct 2010	Dec 2025	Other Biomass Gas : 72.3% Solar : 23.6% Natural Gas : 4.1%
Dissigno Healdsburg FPV, LLC	Palmetto Power Management LLC	Healdsburg, CA	6 GWh	Nov 2020	Dec 2025	Solar
Van der Hoek Solar Array/ Dairy	Maas Energy Works	Helm, CA	667 MWh	Jul 2017	Dec 2025	Solar
Stroud Solar Station	Pacific Gas & Electric Co.	Helm, CA	15 GWh	Aug 2011	Dec 2025	Solar
West Valley High School Solar	AES Distributed Energy	Hemet, CA	1 GWh	Aug 2012	Dec 2025	Solar
Tahquitz High School	AES Distributed Energy	Hemet, CA	2 GWh	Aug 2012	Dec 2025	Solar
AP North Lake I, LP	AP North Lake I, LP	Hemet, CA	46 GWh	Jul 2015	Dec 2025	Solar
Bio-Rad	Vista Solar, Inc.	Hercules, CA	3 GWh	Sep 2021	Dec 2025	Solar
PSREC/SIAD Solar	Plumas Sierra Rural Electric Coop	Herlong, CA	6 GWh	Aug 2018	Dec 2025	Solar
Hesperia	SunEdison LLC	Hesperia, CA	3 GWh	Jul 2014	Dec 2025	Solar
Mojave Siphon	California Dept. of Water Resources	Hesperia, CA	46 GWh	Jul 1996	Dec 2025	Water
IGS KSBD	Altus Power America Management, LLC	Highland, CA	9 GWh	Feb 2022	Dec 2025	Solar
San Manuel Central Plant Cogens	Yuhaaviatam of San Manuel Nation	Highland, CA	18 GWh	May 2021	Dec 2025	Natural Gas
Lockhart Solar PV II	Terra-Gen Operating Co-Solar	Hinkley, CA	203 GWh	Jun 2023	Jul 2026	Solar
Lockhart Solar PV IV, LLC	Terra-Gen Operating Co-Solar	Hinkley, CA	42 GWh	-	Jul 2026	Solar
Desert Breeze Solar, LLC	Terra-Gen Operating Co-Solar	Hinkley, CA	107 GWh	-	Jul 2026	Solar
Mojave Solar Project	Mojave Solar LLC	Hinkley, CA	588 GWh	Nov 2014	Jul 2026	Solar
Lockhart Solar PV, LLC	Terra-Gen Operating Co-Solar	Hinkley, CA	236 GWh	Nov 1989	Jul 2026	Solar
Enerparc CA1 LLC	CleanCapital Holdings	Hollister, CA	3 GWh	May 2014	Dec 2025	Solar
Hollister Solar LLC	Ecos Energy LLC	Hollister, CA	4 GWh	Nov 2014	Dec 2025	Solar
Hollister Wastewater Facility	SunStrong Management, LLC	Hollister, CA	2 GWh	Oct 2011	Dec 2025	Solar
AES Huntington Beach Energy Project	AES Huntington Beach Energy, LLC	Huntington Beach, CA	2 TWh	Jan 2020	Jul 2026	Natural Gas
Plant No 2 Orange County	Orange County Sanitation Dist - (CA)	Huntington Beach, CA	47 GWh	May 1993	Dec 2025	Other Biomass Gas : 77.2% Natural Gas : 22.8%
AES Huntington Beach LLC	AES Huntington Beach LLC	Huntington Beach, CA	5 GWh	May 1958	Jun 2026	Natural Gas
West Gates Solar Station	Pacific Gas & Electric Co.	Huron, CA	14 GWh	Apr 2013	Dec 2025	Solar
Huron Solar Station	Pacific Gas & Electric Co.	Huron, CA	28 GWh	May 2012	Dec 2025	Solar
Westlands Solar PV Farm	Boralex US Operations LLC	Huron, CA	39 GWh	Jan 2014	Dec 2025	Solar
Gates Solar Station	Pacific Gas & Electric Co.	Huron, CA	31 GWh	May 2013	Dec 2025	Solar
Fifth Standard Solar PV, LLC (Hybrid)	RWE Clean Energy	Huron, CA	338 GWh	Aug 2023	Jul 2026	Solar
Big Creek Water Works	Big Creek Water Works Ltd	Hyampom, CA	6 GWh	Dec 1986	May 2026	Water
Walnut Creek Energy Park	Walnut Creek LLC	Industry, CA	48 GWh	Mar 2013	Jul 2026	Natural Gas
Industry MetroLink PV 1	City of Industry - (CA)	Industry, CA	1 GWh	Mar 2012	Dec 2025	Solar
Coso Energy Developers	Coso Operating Co LLC	Inyokern, CA	235 GWh	Nov 1988	Dec 2025	Geothermal
Coso Finance Partners	Coso Operating Co LLC	Inyokern, CA	357 GWh	Jun 1987	Jul 2026	Geothermal
Coso Power Developers	Coso Operating Co LLC	Inyokern, CA	316 GWh	Oct 1989	Jul 2026	Geothermal
Oaks HOA	Onyx Asset Services Group	Ione, CA	2 GWh	Mar 2025	Dec 2025	Solar
ATT Kelvin	Bloom Energy	Irvine, CA	8 GWh	Mar 2017	Dec 2025	Natural Gas
Bowerman Power LFG, LLC	Bowerman Power LFG, LLC	Irvine, CA	151 GWh	Mar 2016	Dec 2025	Landfill Gas
B Braun Medical	B Braun Medical Inc	Irvine, CA	29 GWh	Oct 1982	Mar 2025	Natural Gas
UCI Facilities Management Central Plant	University of California Irvine	Irvine, CA	114 GWh	Jun 2007	Jul 2026	Natural Gas
Irwindale Brew Yard, LLC	Irwindale Brew Yard, LLC	Irwindale, CA	517 MWh	Jan 2002	Apr 2025	Solar : 99.8%
Electra	Pacific Gas & Electric Co.	Jackson, CA	257 GWh	May 1948	Jul 2026	Water
Jacumba Solar Farm	Invenergy Services LLC	Jacumba, CA	46 GWh	Jun 2017	Dec 2025	Solar
Sonora 1	CleanCapital Holdings	Jamestown, CA	858 MWh	Nov 2013	Dec 2025	Solar
Tulloch	Oakdale&South San Joaquin Irrigation D.	Jamestown, CA	103 GWh	May 1958	Dec 2025	Water
Pacific-Ultrapower Chinese Station	IHI Power Services Corp	Jamestown, CA	101 GWh	Sep 1986	Jul 2026	Wood/Wood Waste Solids : 98.0% Gaseous Propane : 2.0%
Cascade Solar	Cascade Solar LLC	Joshua Tree, CA	51 GWh	Dec 2013	Dec 2025	Solar
Rush Creek	Southern California Edison Co	June lake, CA	30 GWh	Sep 1916	Dec 2025	Water
Dulles	Golden Springs Development Company LLC	Jurupa Valley, CA	2 GWh	Aug 2016	Dec 2025	Solar
CA Jurupa Valley 3251 De Forest Circle	Catalyze Mira Loma 3251 De Forest Circle Microgrid LLC	Jurupa Valley, CA	8 GWh	Mar 2024	Dec 2025	Solar
Kern River 3	Southern California Edison Co	Kernville, CA	143 GWh	Feb 1921	Dec 2025	Water
Kettleman Solar -Centaurus	Boralex US Operations LLC	Kettleman City, CA	43 GWh	Jun 2015	Dec 2025	Solar
Community Solar Utica 1, LLC	AETS OpCo Holdings LLC	Kettleman, CA	2 GWh	Feb 2025	Dec 2025	Solar
Blackjack Solar	South County Packing	King City, CA	9 GWh	Nov 2020	Dec 2025	Solar
King City Peaking	Calpine Corp-King City	King City, CA	5 GWh	Mar 2002	Dec 2025	Natural Gas
King City Power Plant	Calpine King City Cogen LLC	King City, CA	28 GWh	Jan 1989	Jul 2026	Natural Gas
Kingsburg Cogen	KES Kingsburg LP	Kingsburg, CA	8 GWh	Nov 1990	Sep 2025	Natural Gas
Kingsburg Solar	Altus Power America Management, LLC	Kingsburg, CA	6 GWh	Nov 2013	Dec 2025	Solar
Kroger La Habra	Ralph's Grocery Company	La Habra, CA	2 GWh	Mar 2020	Dec 2024	Solar
University of California San Diego Hybri	University of California San Diego	La Jolla, CA	227 GWh	Jun 2001	Jul 2026	Natural Gas
Univ of California San Diego Solar	University of California San Diego	La Jolla, CA	4 GWh	Nov 2008	Dec 2025	Solar
Grossmont Hospital	Sharp Grossmont Hospital	La Mesa, CA	29 GWh	Jul 1983	Dec 2025	Natural Gas
PFMG Solar Grossmont Helix LLC	Altus Power America Management, LLC	La Mesa, CA	2 GWh	Apr 2018	Dec 2025	Solar
Biola University Hybrid	Biola University	La Mirada, CA	13 GWh	Mar 1990	Jul 2026	Natural Gas
Staples La Mirada, CA	SunE WF3-ST Holdings, LLC	La Mirada, CA	1 GWh	Feb 2009	Dec 2025	Solar
Weymouth Solar Plant	Metropolitan Water District of S CA	La Verne, CA	3 GWh	May 2016	Dec 2025	Solar
Gilead Sciences La Verne Rooftop Solar	Gilead Sciences, Inc. - La Verne	La Verne, CA	2 GWh	Jun 2021	Dec 2025	Solar
Lake Elsinore Canopies - Lakeside HS	Standard Solar	Lake Elsinore, CA	2 GWh	Feb 2022	Dec 2025	Solar
Isabella Hydro Project	Isabella Partners	Lake Isabella, CA	32 GWh	Nov 1990	Dec 2025	Water
MM Lopez Energy	MM Lopez Energy LLC	Lake View Terrace, CA	26 GWh	Nov 1998	Dec 2025	Landfill Gas
Portal	Southern California Edison Co	Lakeshore, CA	26 GWh	Nov 1956	Dec 2025	Water
Horn	CD US Solar MT 2 LLC	Lancaster, CA	4 GWh	Sep 2013	Dec 2025	Solar
Division 1	Tesla Inc.	Lancaster, CA	2 GWh	May 2014	Dec 2025	Solar
Ma	CD US Solar MT 2 LLC	Lancaster, CA	2 GWh	Sep 2013	Dec 2025	Solar
Vinam	CD US Solar MT 2 LLC	Lancaster, CA	3 GWh	Jun 2013	Dec 2025	Solar
Summer Solar C2	AES Distributed Energy	Lancaster, CA	3 GWh	May 2014	Dec 2025	Solar
Summer Solar A2	AES Distributed Energy	Lancaster, CA	3 GWh	May 2014	Dec 2025	Solar
Radiance Solar 4	Altus Power America Management, LLC	Lancaster, CA	3 GWh	Jun 2013	Dec 2025	Solar
Radiance Solar 5	Altus Power America Management, LLC	Lancaster, CA	3 GWh	Jun 2013	Dec 2025	Solar
Division 3	Tesla Inc.	Lancaster, CA	1 GWh	May 2014	Dec 2025	Solar
Lancaster Dry Farm Ranch B	AES Distributed Energy	Lancaster, CA	10 GWh	Oct 2014	Dec 2025	Solar
Rodeo Solar C2	AES Distributed Energy	Lancaster, CA	4 GWh	Apr 2014	Dec 2025	Solar
Kettering Solar 1	Tesla Inc.	Lancaster, CA	2 GWh	May 2014	Nov 2025	Solar
TA-High Desert LLC	TA-High Desert LLC	Lancaster, CA	58 GWh	Feb 2013	Dec 2025	Solar
Kettering Solar 2	Tesla Inc.	Lancaster, CA	2 GWh	May 2014	Nov 2025	Solar
Rodeo Solar D2	AES Distributed Energy	Lancaster, CA	3 GWh	Apr 2014	Dec 2025	Solar
Summer North Solar	AES Distributed Energy	Lancaster, CA	13 GWh	Nov 2014	Dec 2025	Solar
Lancaster Baptist Church	Tesla Inc.	Lancaster, CA	1 GWh	Nov 2011	Dec 2025	Solar
Western Antelope Dry Ranch	AES Distributed Energy	Lancaster, CA	26 GWh	Nov 2016	Dec 2025	Solar
Western Antelope Blue Sky Ranch A	AES Distributed Energy	Lancaster, CA	43 GWh	Oct 2014	Dec 2025	Solar
Division 2	Tesla Inc.	Lancaster, CA	2 GWh	May 2014	Dec 2025	Solar
Summer Solar B2	AES Distributed Energy	Lancaster, CA	3 GWh	May 2014	Dec 2025	Solar
Lancaster Solar 1	Boralex US Operations LLC	Lancaster, CA	2 GWh	Oct 2014	Dec 2025	Solar
Summer Solar D2	AES Distributed Energy	Lancaster, CA	2 GWh	Jun 2014	Dec 2025	Solar
AV Solar Ranch One	AV Solar Ranch 1 LLC	Lancaster, CA	555 GWh	Jul 2014	Jul 2026	Solar
Alpine Solar	Alpine BESS LLC	Lancaster, CA	114 GWh	Jan 2013	Dec 2025	Solar
Lancaster Solar 2	Boralex US Operations LLC	Lancaster, CA	2 GWh	Oct 2014	Dec 2025	Solar
Bayshore Solar B, LLC	AES Distributed Energy	Lancaster, CA	42 GWh	Nov 2017	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