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
Coronus Adelanto West 2	Clean Focus Yield, LLC	Adelanto, CA	3 GWh	Dec 2014	Dec 2025	Solar
Adelanto Solar II, LLC	Adelanto Solar II, LLC	Adelanto, CA	18 GWh	Jun 2015	Dec 2025	Solar
Adelanto Solar, LLC	Adelanto Solar, LLC	Adelanto, CA	59 GWh	Aug 2015	Dec 2025	Solar
Coronus Adelanto West 1	Clean Focus Yield, LLC	Adelanto, CA	3 GWh	Dec 2014	Dec 2025	Solar
Baldy Mesa 2_Silver Peak Hybrid	AES Clean Energy	Adelanto, CA	113 GWh	Nov 2024	Jul 2026	Solar
Baldy Mesa Solar & Storage	AES Clean Energy	Adelanto, CA	299 GWh	Apr 2024	Jul 2026	Solar
RE Victor Phelan Solar One LLC	MN8 Energy LLC	Adelanto, CA	45 GWh	Nov 2013	Dec 2025	Solar
Industry Solar Power Generation Station	AES Distributed Energy	Adelanto, CA	4 GWh	Nov 2013	Dec 2025	Solar
Watts 3115	CD US Solar MT 2 LLC	Adelanto, CA	4 GWh	Jul 2013	Dec 2025	Solar
Calabasas Gas to Energy Facility	Los Angeles County Sanitation	Agoura, CA	32 GWh	Jun 2010	Dec 2025	Landfill Gas
Alameda	Northern California Power Agny	Alameda, CA	3 GWh	Apr 1986	Dec 2025	Natural Gas
Ratkovich Alhambra	Bloom Energy	Alhambra, CA	7 GWh	Nov 2018	Dec 2025	Natural Gas
Angela Solar Project	Angiola East LLC	Alpaugh, CA	37 GWh	-	Jul 2026	Solar
White River Solar 2	RWE Clean Energy	Alpaugh, CA	49 GWh	Aug 2014	Dec 2025	Solar
Atwell Island	SPS Atwell Island LLC	Alpaugh, CA	34 GWh	Feb 2013	Dec 2025	Solar
Alpaugh North	RWE Clean Energy	Alpaugh, CA	21 GWh	Nov 2012	Dec 2025	Solar
White River Solar	RWE Clean Energy	Alpaugh, CA	36 GWh	Jun 2013	Dec 2025	Solar
Alpaugh 50	RWE Clean Energy	Alpaugh, CA	57 GWh	Nov 2012	Dec 2025	Solar
Atwell Island West Solar	RWE Clean Energy	Alpaugh, CA	52 GWh	Apr 2015	Dec 2025	Solar
Alta Powerhouse	Pacific Gas & Electric Co.	Alta, CA	2 GWh	Oct 1902	Dec 2025	Water
Dutch Flat	Pacific Gas & Electric Co.	Alta, CA	66 GWh	Feb 1943	Dec 2025	Water
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
American Canyon Solar	RP Napa Solar 1, LLC	American Canyon, CA	6 GWh	Aug 2019	Dec 2025	Solar
Sutter Home Winery GIR	Westbound Solar 3, LLC	American Canyon, CA	2 GWh	Jul 2023	Dec 2025	Solar
AT&T Anaheim	Bloom Energy	Anaheim, CA	7 GWh	Aug 2016	Dec 2025	Natural Gas
Kaiser East La Palma Ave. Fuel Cell	2016 ESA Project Company, LLC	Anaheim, CA	18 GWh	Aug 2017	Dec 2025	Natural Gas
Canyon Power Plant	City of Anaheim - (CA)	Anaheim, CA	43 GWh	Jul 2011	Jul 2026	Natural Gas
Anaheim Solar Energy Plant	Anaheim Public Utilities	Anaheim, CA	2 GWh	Jul 2014	Dec 2025	Solar
Coleman PH	Pacific Gas & Electric Co.	Anderson, CA	31 GWh	May 1979	Dec 2025	Water
Wheelabrator Shasta	Shasta Sustainable Resource Management, Inc.	Anderson, CA	290 GWh	Sep 1987	Jul 2026	Wood/Wood Waste Solids
SPI Anderson 2	Sierra Pacific Industries	Anderson, CA	122 GWh	Jul 2015	Dec 2025	Wood/Wood Waste Solids : 99.3% Natural Gas : 0.7%
Angels	Utica Water & Power Authority	Angels Camp, CA	6 GWh	Dec 1939	Dec 2025	Water
Marsh Landing Generating Station	Marsh Landing LLC	Antioch, CA	26 GWh	Apr 2013	Jul 2026	Natural Gas
Gateway Generating Station	Pacific Gas & Electric Co.	Antioch, CA	2 TWh	Dec 2008	Jul 2026	Natural Gas
Riverview Energy Center	Gilroy Energy Center for Riverview	Antioch, CA	12 GWh	Apr 2003	Dec 2025	Natural Gas
Kaiser Deer Valley Rd. Fuel Cell	2016 ESA Project Company, LLC	Antioch, CA	11 GWh	Mar 2017	Dec 2025	Natural Gas
SunAnza	Arizona Electric Pwr Coop Inc	Anza, CA	8 GWh	Aug 2017	Dec 2025	Solar
Nunn	CD US Solar MT 2 LLC	Apple Valley, CA	1 GWh	Jun 2013	Dec 2025	Solar
Otoe Solar Power Generation Station 1 LL	AES Distributed Energy	Apple Valley, CA	3 GWh	Nov 2013	Dec 2025	Solar
Powhatan Solar Power Generation Station	AES Distributed Energy	Apple Valley, CA	4 GWh	Nov 2013	Dec 2025	Solar
Navajo Solar Power Generation Station 1	AES Distributed Energy	Apple Valley, CA	4 GWh	Nov 2013	Dec 2025	Solar
Foundation Cemex BMQ	Foundation CA Fund VI Manager LLC	Apple Valley, CA	4 GWh	Nov 2012	Dec 2025	Wind
SunEdison Walmart Apple Valley DC	SunE M5 Holdings LLC	Apple Valley, CA	715 MWh	Feb 2009	Nov 2025	Solar
Cabrillo College	Forefront Power, LLC	Aptos, CA	4 GWh	Nov 2023	Dec 2025	Solar
Foster Clean Power A	Foster Clean Power A, LLC	Arcata, CA	846 MWh	Sep 2025	Dec 2025	Solar
Foster Clean Power B	Foster Clean Power B LLC	Arcata, CA	901 MWh	Aug 2025	Dec 2025	Solar
Sun Streams, LLC	EDP Renewables North America LLC	Arlington, AZ	336 GWh	Dec 2019	Jul 2026	Solar
Sunshine Valley Solar	EDP Renewables North America LLC	Armagosa, NV	246 GWh	Nov 2019	Jul 2026	Solar
Graniterock Quarry	CalCom Energy	Aromas, CA	9 GWh	Aug 2022	Dec 2025	Solar
Wheeler Ridge 2	Madison Energy Investments LLC	Arvin, CA	14 GWh	Oct 2023	Dec 2025	Solar
Tejon Castac Water District Solar	CTMW Solar, LLC	Arvin, CA	4 GWh	Apr 2024	Dec 2025	Solar
Adobe Solar	Southern Power Co	Arvin, CA	36 GWh	Apr 2014	Dec 2025	Solar
Orion Solar I	Orion Solar I LLC	Arvin, CA	27 GWh	Mar 2014	Dec 2025	Solar
Orion Solar II	Orion Solar II, LLC	Arvin, CA	16 GWh	May 2014	Dec 2025	Solar
Atascadero State Hospital	Ecoplexus, Inc	Atascadero, CA	3 GWh	Jul 2020	Dec 2025	Solar
City of Atwater NEM	SoCore Energy LLC	Atwater, CA	2 GWh	Nov 2024	Dec 2025	Solar
Kerckhoff 2	Pacific Gas & Electric Co.	Auberry, CA	450 GWh	Apr 1983	Jul 2026	Water
Big Creek 2A	Southern California Edison Co	Auberry, CA	325 GWh	Jul 1928	Jul 2026	Water
Big Creek 8	Southern California Edison Co	Auberry, CA	152 GWh	Jul 1921	Dec 2025	Water
Big Creek 3	Southern California Edison Co	Auberry, CA	760 GWh	Aug 1923	Jul 2026	Water
Big Creek 2	Southern California Edison Co	Auberry, CA	377 GWh	Nov 1913	Dec 2025	Water
Combie South	Nevada Irrigation District	Auburn, CA	4 GWh	Mar 1984	Dec 2025	Water
Newcastle	Pacific Gas & Electric Co.	Auburn, CA	6 GWh	Nov 1986	Dec 2025	Water
Halsey	Pacific Gas & Electric Co.	Auburn, CA	22 GWh	Nov 1916	Dec 2025	Water
Wise	Pacific Gas & Electric Co.	Auburn, CA	30 GWh	Feb 1917	Dec 2025	Water
Pebbly Beach Generating Station Hybrid	Southern California Edison Co	Avalon, CA	28 GWh	Jun 1958	Jul 2026	Distillate Fuel Oil : 95.4% Gaseous Propane : 4.6%
Avenal Park	Avenal Solar Holdings LLC	Avenal, CA	10 GWh	Jul 2011	Dec 2025	Solar
Sun City Project LLC	Avenal Solar Holdings LLC	Avenal, CA	33 GWh	Jul 2011	Dec 2025	Solar
Sand Drag LLC	Avenal Solar Holdings LLC	Avenal, CA	32 GWh	Jul 2011	Dec 2025	Solar
CED Avenal	RWE Clean Energy	Avenal, CA	16 GWh	Dec 2016	Dec 2025	Solar
Diablo Canyon	Pacific Gas & Electric Co.	Avila Beach, CA	18 TWh	Apr 1985	Jul 2026	Nuclear
San Gabriel Hydro Project	Los Angeles County-San Gabriel	Azusa, CA	2 GWh	Nov 1987	Apr 2025	Water
Regulus Solar Project	Regulus Solar, LLC	Bakersfield, CA	150 GWh	Oct 2014	Dec 2025	Solar
Chalk Cliff Limited	WCAC Operating Company	Bakersfield, CA	3 GWh	Feb 1990	Jun 2026	Natural Gas
Live Oak Limited	WCAC Operating Company	Bakersfield, CA	18 GWh	Feb 1992	Jul 2026	Natural Gas
Kern River 1	Southern California Edison Co	Bakersfield, CA	176 GWh	Apr 1907	Dec 2025	Water
Western Power & Steam Inc	Western Power and Steam II LLC	Bakersfield, CA	21 GWh	Feb 1990	Jul 2026	Natural Gas
Rio Bravo Hydro Project	Olcese Water District	Bakersfield, CA	27 GWh	Apr 1989	Nov 2025	Water
RE Old River One, LLC	Onward Energy	Bakersfield, CA	38 GWh	Nov 2014	Dec 2025	Solar
Badger Creek Limited	WCAC Operating Company	Bakersfield, CA	4 GWh	Mar 1991	Jul 2026	Natural Gas
Bear Mountain Limited	WCAC Operating Company	Bakersfield, CA	38 GWh	Mar 1995	Jul 2026	Natural Gas
Sycamore Cogeneration	Sycamore Cogeneration Co	Bakersfield, CA	144 GWh	Nov 1987	Jun 2026	Natural Gas
Kern Oil & Refining Co	Kern Oil & Refining Co	Bakersfield, CA	36 GWh	Sep 2002	Jul 2026	Natural Gas
Kern River Cogeneration	Kern River Cogeneration Co	Bakersfield, CA	105 GWh	Jun 1985	Jul 2026	Natural Gas
Double C Generation Limited Partnership	WCAC Operating Company	Bakersfield, CA	6 GWh	Feb 1989	Dec 2025	Natural Gas
Shafter Solar LLC	Shafter Solar LLC	Bakersfield, CA	41 GWh	Apr 2015	Dec 2025	Solar
Kern Front Limited	WCAC Operating Company	Bakersfield, CA	5 GWh	Jan 1989	Dec 2025	Natural Gas
High Sierra Limited	WCAC Operating Company	Bakersfield, CA	6 GWh	Feb 1989	Dec 2025	Natural Gas
ABEC Bidart-Old River LLC	ABEC Bidart-Old River LLC	Bakersfield, CA	16 GWh	Nov 2013	Dec 2025	Other Biomass Gas
McKittrick Limited	WCAC Operating Company	Bakersfield, CA	5 GWh	Sep 1991	Jul 2026	Natural Gas
Kern River Eastridge Cogen	Chevron USA Inc	Bakersfield, CA	211 GWh	May 1988	Jul 2026	Natural Gas
Southeast Kern River Cogen	Chevron USA Inc	Bakersfield, CA	43 GWh	Jan 1989	Jul 2026	Natural Gas
Improvement Dst No. 4	Kern County Water Agency - (CA)	Bakersfield, CA	12 MWh	Dec 2008	Dec 2024	Solar
Kern Sunset 1886-WD	Standard Solar	Bakersfield, CA	5 GWh	Oct 2024	Dec 2025	Solar
ABEC #4 dba CE&S Dairy	ABEC #4 LLC	Bakersfield, CA	7 GWh	Jan 2018	Dec 2025	Other Biomass Gas
Amazon Bakersfield 1 Solar Project	Solar Star Prime 3, LLC	Bakersfield, CA	8 GWh	Dec 2023	Dec 2025	Solar
Calibrant Bakersfield LLC	Bay4 Energy Services, LLC	Bakersfield, CA	4 GWh	Jan 2022	Dec 2024	Solar
Berry NMW Cogens	Berry Petroleum Co	Bakersfield, CA	76 GWh	Oct 2017	Dec 2025	Natural Gas
Wheeler Ridge	Agilitas Energy, Inc.	Bakersfield, CA	13 GWh	Aug 2023	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