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	Nov 2024
Annual Generation	191.5 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 \| 45.6% Solar \| 23.1% Water \| 12.1% Wind \| 10% Nuclear \| 9%

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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
Creed Energy Center	Creed Energy Center LLC	Suisun, CA	8 GWh	Dec 2002	Dec 2023	Natural Gas
Lambie Energy Center	Gilroy Energy Center LLC	Suisun, CA	14 GWh	Dec 2002	Dec 2023	Natural Gas
Goose Haven Energy Center	Goose Haven Energy Center	Suisun, CA	16 GWh	Dec 2002	Dec 2023	Natural Gas
Feather River Energy Center	Calpine Corp-Yuba City	Yuba City, CA	45 GWh	Dec 2002	Dec 2023	Natural Gas
Wolfskill Energy Center	Gilroy Energy Center LLC	Fairfield, CA	8 GWh	Dec 2002	Dec 2023	Natural Gas
THUMS	THUMS Long Beach Company	Long Beach, CA	343 GWh	Dec 2002	Aug 2024	Natural Gas
La Paloma Generating Plant	CXA La Paloma LLC	McKittrick, CA	2 TWh	Dec 2002	Aug 2024	Natural Gas
Los Esteros Critical Energy Center	Los Esteros Critical Energy Facility LLC	San Jose, CA	218 GWh	Jan 2003	Aug 2024	Natural Gas
MCAGCC Cogen Plant	DOD USMC Marine Air Ground Combat	Twentynine Palms, CA	41 GWh	Jan 2003	Dec 2023	Natural Gas
High Desert Power Plant	MRP Generation Holdings, LLC	Victorville, CA	5 TWh	Mar 2003	Aug 2024	Natural Gas
Tracy Combined Cycle Power Plant	MRP San Joaquin Energy LLC.	Tracy, CA	930 GWh	Mar 2003	Aug 2024	Natural Gas
Riverview Energy Center	Gilroy Energy Center for Riverview	Antioch, CA	28 GWh	Apr 2003	Dec 2023	Natural Gas
Agua Mansa Power Plant	E I Colton LLC	Colton, CA	10 GWh	May 2003	Dec 2023	Natural Gas
Elk Hills Power LLC	Elk Hills Power LLC	Tupman, CA	2 TWh	Jun 2003	Aug 2024	Natural Gas
High Winds LLC	FPLE High Winds, LLC	Birds Landing, CA	238 GWh	Jun 2003	Dec 2023	Wind
California Institute of Technology	California Institute-Technology	Pasadena, CA	45 GWh	Jul 2003	Aug 2024	Natural Gas
Blythe Energy Inc	AltaGas Blythe Operations Inc	Blythe, CA	1 TWh	Nov 2003	Aug 2024	Natural Gas
Mountain View III	Avangrid Renewables LLC	North Palm Springs, CA	69 GWh	Nov 2003	Dec 2023	Wind
One Market Plaza	Paramount Group Inc	San Francisco, CA	993 MWh	Nov 2003	Dec 2023	Natural Gas
Naval Hospital Medical Center	Department of the Navy	San Diego, CA	21 GWh	Nov 2003	Aug 2024	Natural Gas
Sierra Pacific Lincoln Facility	Sierra Pacific Industries	Lincoln, CA	88 GWh	Feb 2004	Dec 2023	Wood/Wood Waste Solids
Sycamore Energy LLC	Sycamore Energy LLC	Santee, CA	23 GWh	Mar 2004	Dec 2023	Landfill Gas
Signal Hill West Unit	Signal Hill Petroleum, Inc	Signal Hill, CA	35 GWh	Jun 2004	Aug 2024	Other Gas
Lincoln Landfill	Energy 2001 Inc	Lincoln, CA	29 GWh	Oct 2004	Dec 2023	Landfill Gas
Diablo Winds LLC	Sequitur Renewables, LLC	Livermore, CA	36 GWh	Nov 2004	Dec 2023	Wind
Oasis Wind	Terra-Gen Operating Co-Wind	Mojave, CA	205 GWh	Nov 2004	Dec 2023	Wind
Bear Valley Power Plant	Bear Valley Electric Service	Big Bear Lake, CA	2 GWh	Dec 2004	Dec 2023	Natural Gas
Coram Energy LLC	Nextera Energy Resources	Tehachapi, CA	36 GWh	Dec 2004	Dec 2023	Wind
Donald Von Raesfeld Power Plant	City of Santa Clara - (CA)	Santa Clara, CA	870 GWh	Feb 2005	Aug 2024	Natural Gas
Clearwater Power Plant	City of Riverside - (CA)	Corona, CA	13 GWh	Feb 2005	Dec 2023	Natural Gas
Pastoria Energy Facility, LLC	Calpine Corp - Pastoria Energy Center	Lebec, CA	4 TWh	Apr 2005	Aug 2024	Natural Gas
Sierra Nevada Brewing Co Hybrid	Sierra Nevada Brewing Co	Chico, CA	9 GWh	Apr 2005	Dec 2023	Natural Gas : 75.4% Solar : 24.6%
Coram Energy LLC (ECT)	Nextera Energy Resources	Tehachapi, CA	32 GWh	Apr 2005	Dec 2023	Wind
Metcalf Energy Center	Calpine Corp - Metcalf Energy Center	San Jose, CA	3 TWh	May 2005	Aug 2024	Natural Gas
Miramar Energy Facility	San Diego Gas & Electric Co	San Diego, CA	13 GWh	May 2005	Aug 2024	Natural Gas
W Plant	Qualcomm Incorporated	San Diego, CA	33 GWh	Jun 2005	Aug 2024	Natural Gas
Malaga Power LLC	CalPeak Power, LLC	Fresno, CA	11 GWh	Aug 2005	Aug 2024	Natural Gas
Palomar Energy	San Diego Gas & Electric Co	Escondido, CA	1 TWh	Sep 2005	Aug 2024	Natural Gas
Malburg	City of Vernon	Vernon, CA	320 GWh	Sep 2005	Aug 2024	Natural Gas
Kumeyaay Wind	Leeward Asset Management, LLC	Campo, CA	145 GWh	Nov 2005	Dec 2023	Wind
Mountainview Generating Station	Southern California Edison Co	Redlands, CA	3 TWh	Nov 2005	Aug 2024	Natural Gas
Ameresco Santa Cruz Energy	AMERESCO Santa Cruz Energy LLC	Watsonville, CA	19 GWh	Dec 2005	Dec 2023	Landfill Gas
Shiloh I Wind Project	Avangrid Renewables LLC	Rio Vista, CA	418 GWh	Apr 2006	Dec 2023	Wind
Riverside Energy Resource Center	City of Riverside - (CA)	Riverside, CA	53 GWh	May 2006	Dec 2023	Natural Gas
Chuckawalla Valley State Prison	SunE CPA CDC1 LLC	Blythe, CA	1 GWh	May 2006	Dec 2023	Solar
Hoag Hospital Cogen Plant	Hoag Memorial Presbyterian Hospital	Newport Beach, CA	5 GWh	Jun 2006	Feb 2024	Natural Gas
Buena Vista Energy LLC	Leeward Asset Management, LLC	Byron, CA	91 GWh	Nov 2006	Dec 2023	Wind
Energy Center	University of Redlands	Redlands, CA	5 GWh	Jan 2007	Dec 2023	Natural Gas
P Plant	Qualcomm Incorporated	San Diego, CA	30 GWh	Feb 2007	Jul 2024	Natural Gas
Transamerica Pyramid	Transamerica Pyramid Properties LLC	San Francisco, CA	525 MWh	Jun 2007	Dec 2023	Natural Gas
UCI Facilities Management Central Plant	University of California Irvine	Irvine, CA	112 GWh	Jun 2007	Aug 2024	Natural Gas
Walgreens Woodland Distribution Center	SunE WG45 Woodland LLC	Woodland, CA	775 MWh	Jul 2007	Dec 2023	Solar
Vacaville	Janssen Pharmaceutical Co	Vacaville, CA	2 GWh	Aug 2007	Dec 2022	Solar
Grapeland Hybrid	Southern California Edison Co	Rancho Cucamonga, CA	4 GWh	Aug 2007	Dec 2023	Natural Gas
Mira Loma Peaker	Southern California Edison Co	Ontario, CA	11 GWh	Aug 2007	Dec 2023	Natural Gas
Barre Peaker	Southern California Edison Co	Stanton, CA	22 GWh	Aug 2007	Nov 2023	Natural Gas
Center Hybrid	Southern California Edison Co	Norwalk, CA	4 GWh	Aug 2007	Dec 2023	Natural Gas
SunEdison Walgreens Moreno Valley	SunE WG113 Moreno Valley LLC	Moreno Valley, CA	1 GWh	Aug 2007	Dec 2023	Solar
Kohls San Bernardino Solar Facility	SunE WF3 KHL A Holdings, LLC	San Bernardino, CA	1 GWh	Oct 2007	Dec 2023	Solar
CSU Fresno Solar Project	MMA Fresno Power LP	Fresno, CA	1 GWh	Nov 2007	Dec 2023	Solar
Algonquin Power Sanger LLC	Algonquin Power Sanger LLC	Sanger, CA	6 GWh	Nov 2007	Aug 2024	Natural Gas
Dillon Wind LLC	Avangrid Renewables LLC	North Palm Springs, CA	151 GWh	Mar 2008	Dec 2023	Wind
Ampersand Chowchilla Biomass LLC	Ampersand Chowchilla Biomass LLC	Chowchilla, CA	49 GWh	Apr 2008	Mar 2023	Wood/Wood Waste Solids : 99.8%
SunEdison Ironwood State Prison	SunE CPA CDC2 LLC	Blythe, CA	1 GWh	Apr 2008	Dec 2023	Solar
Broadridge Cogen	Broadridge Customer Communications	El Dorado Hills, CA	19 GWh	Apr 2008	Dec 2023	Natural Gas : 93.5% Solar : 6.5%
Robert O Schulz Solar Farm	South San Joaquin Irr District	Oakdale, CA	2 GWh	Apr 2008	Dec 2023	Solar
El Nido Facility	Merced Power LLC	El Nido, CA	44 GWh	Jul 2008	Feb 2023	Wood/Wood Waste Solids : 99.8%
Edom Hills Project 1 LLC	Edom Hills Project 1 LLC	Cathedral City, CA	11 GWh	Aug 2008	Dec 2023	Wind
Kaweah Delta District Hospital	Kaweah Delta Hospital	Visalia, CA	21 GWh	Sep 2008	Aug 2024	Natural Gas
Gap Pacific Distribution Center	MN8 Energy LLC	Fresno, CA	6 GWh	Sep 2008	Dec 2023	Solar
Bolthouse S&P and Rowen Farms Solar	MMA WBF Power LP	Palmdale, CA	779 MWh	Oct 2008	Mar 2023	Solar
Encina Water Pollution Control	Encina Joint Powers Authority	Carlsbad, CA	14 GWh	Oct 2008	Aug 2024	Other Biomass Gas : 96.1% Natural Gas : 3.9%
Mariani Packing Vacaville Solar	SunE U6 Holdings LLC	Vacaville, CA	891 MWh	Oct 2008	Dec 2023	Solar
Ameresco Ox Mountain	AMERESCO Ox Mountain Energy LLC	Half Moon Bay, CA	84 GWh	Nov 2008	Aug 2024	Landfill Gas
CM10	Consolidated Edison Development Inc.	Boulder City, NV	19 GWh	Nov 2008	Dec 2023	Solar
SunEdison Anheuser Busch Fairfield	SunE M5 Holdings LLC	Fairfield, CA	747 MWh	Nov 2008	Dec 2023	Solar
Univ of California San Diego Solar	University of California San Diego	La Jolla, CA	4 GWh	Nov 2008	Dec 2023	Solar
Improvement Dst No. 4	Kern County Water Agency	Bakersfield, CA	8 MWh	Dec 2008	Dec 2022	Solar
Beringer	Perpetual Energy Systems	Saint Helena, CA	1 GWh	Dec 2008	Dec 2023	Solar
Shiloh Wind Project 2 LLC	EDF Renewable Asset Holdings, Inc.	Birds Landing, CA	432 GWh	Dec 2008	Dec 2023	Wind
Gateway Generating Station	Pacific Gas & Electric Co.	Antioch, CA	3 TWh	Dec 2008	Aug 2024	Natural Gas
ASTI	Perpetual Energy Systems	Cloverdale, CA	1 GWh	Jan 2009	Dec 2023	Solar
G2 Energy Ostrom Road LLC	G2 Energy LLC	Wheatland, CA	25 GWh	Jan 2009	Dec 2023	Landfill Gas
Staples La Mirada, CA	SunE WF3-ST Holdings, LLC	La Mirada, CA	2 GWh	Feb 2009	Dec 2023	Solar
SunEdison Walmart Apple Valley DC	SunE M5 Holdings LLC	Apple Valley, CA	969 MWh	Feb 2009	Dec 2023	Solar
Midway Peaking LLC	CalPeak Power, LLC	Firebaugh, CA	26 GWh	Apr 2009	Nov 2023	Natural Gas
RE-VFO LLC	RE-VFO LLC	Visalia, CA	2 GWh	Apr 2009	Dec 2023	Solar
Panoche Energy Center	Panoche Energy Center, LLC	Firebaugh, CA	1 TWh	May 2009	Aug 2024	Natural Gas
Garnet Wind Energy Center	Terra-Gen Operating Co-Wind	North Palm Springs, CA	15 GWh	May 2009	Dec 2023	Wind
Ameresco Keller Canyon	AMERESCO Keller Canyon LLC	Bay Point, CA	29 GWh	Jun 2009	Dec 2023	Landfill Gas
Palo Verde College	Scale Sustainable I, LLC	Blythe, CA	2 GWh	Jul 2009	Dec 2023	Solar
City of Madera WWTP	SunE GIL1, LLC	Madera, CA	2 GWh	Aug 2009	Sep 2023	Solar
Otay Mesa Generating Project	Otay Mesa Energy Center LLC	San Diego, CA	2 TWh	Sep 2009	Aug 2024	Natural Gas
Broadway 3 - UC Merced 1	MN8 Energy LLC	Merced, CA	1 GWh	Sep 2009	Dec 2023	Solar
SunEdison Procter & Gamble Oxnard	SunE U6 Holdings LLC	Oxnard, CA	1 GWh	Sep 2009	Dec 2023	Solar
Santa Cruz Energy	Santa Cruz Energy LLC	Santa Cruz, CA	10 GWh	Oct 2009	Dec 2023	Landfill Gas
Vaca Dixon Solar Station	Pacific Gas & Electric Co.	Vacaville, CA	4 GWh	Nov 2009	Dec 2023	Solar
Solar Blythe LLC	NRG Solar Blythe	Blythe, CA	41 GWh	Nov 2009	Dec 2023	Solar
Solar Photovoltaic Project #02	Southern California Edison Co	Chino, CA	483 MWh	Nov 2009	Apr 2023	Solar
High Sierra Cogeneration Plant	Plumas Sierra Rural Electric Coop	Susanville, CA	36 GWh	Jan 2010	Dec 2023	Natural Gas

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#28	Arizona Public Service Company	21.8 TWh	75
#52	Arlington Valley, LLC	3.6 TWh	1
#35	Balancing Authority of Northern California	15.2 TWh	83
#48	Imperial Irrigation District	5.7 TWh	65
#33	Los Angeles Department of Water and Power	15.9 TWh	120
#22	Nevada Power Company	37.6 TWh	136
#56	New Harquahala Generating Company, LLC	2.9 TWh	1
#18	Salt River Project Agricultural Improvement and Power District	59.0 TWh	45
#57	Turlock Irrigation District	2.3 TWh	11
#41	Western Area Power Administration - Desert Southwest Region	8.6 TWh	30

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#3	Electric Reliability Council of Texas, Inc.	461.0 TWh	1,139
#5	Southwest Power Pool	290.4 TWh	762
#6	Southern Company Services, Inc. - Trans	247.9 TWh	393
#7	California Independent System Operator	191.5 TWh	1,943
#9	Tennessee Valley Authority	157.5 TWh	170
#10	Florida Power & Light Co.	147.7 TWh	159
#12	New York Independent System Operator	130.0 TWh	1,100
#13	Duke Energy Carolinas	110.9 TWh	556
#15	ISO New England	102.8 TWh	1,487
#16	Bonneville Power Administration	80.0 TWh	158