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
Lockhart Solar PV, LLC	Terra-Gen Operating Co-Solar	Hinkley, CA	220 GWh	Nov 1989	Aug 2024	Solar
Lodi	Northern California Power Agny	Lodi, CA	546 MWh	Jan 1986	Dec 2023	Natural Gas
Lodi Energy Center	Northern California Power Agny	Lodi, CA	827 GWh	Oct 2012	Aug 2024	Natural Gas
Loma Linda University Cogen	Loma Linda University	Loma Linda, CA	52 GWh	Jan 1980	Aug 2024	Natural Gas
Lone Valley Solar Park I LLC	Lone Valley Solar Park I LLC	Lucerne Valley, CA	24 GWh	Nov 2014	Dec 2023	Solar
Lone Valley Solar Park II LLC	Lone Valley Solar Park II LLC	Lucerne Valley, CA	50 GWh	Nov 2014	Dec 2023	Solar
Long Beach Generation LLC	Long Beach Generation LLC	Long Beach, CA	10 GWh	Nov 1976	Dec 2023	Natural Gas
Longboat Solar, LLC	Duke Energy Renewables Services	Barstow, CA	25 GWh	Nov 2016	Dec 2023	Solar
Los Esteros Critical Energy Center	Los Esteros Critical Energy Facility LLC	San Jose, CA	218 GWh	Jan 2003	Aug 2024	Natural Gas
Los Medanos Energy Center	Los Medanos Energy Center LLC	Pittsburg, CA	3 TWh	Jul 2001	Aug 2024	Natural Gas
Lost Creek I	Snow Mountain Hydro LLC	Burney, CA	5 GWh	Nov 1989	Dec 2023	Water
Lost Hills/Blackwell	Southern Power Co	Lost Hills, CA	77 GWh	Mar 2015	Dec 2023	Solar
Lost Hills Cogeneration Plant	AERA Energy LLC	Lost Hills, CA	3 GWh	Sep 1985	Dec 2023	Natural Gas
Lost Hills Oilfield	Distributed Solar Development, LLC	Lost Hills, CA	4 GWh	Jun 2021	Dec 2023	Solar
Luciana	Tulare Solar Center, LLC	Richgrove, CA	128 GWh	Mar 2022	Aug 2024	Solar
Lundy	Southern California Edison Co	Lee Vining, CA	11 GWh	Nov 1911	Dec 2023	Water
Ma	CD US Solar MT 2 LLC	Lancaster, CA	4 GWh	Sep 2013	Dec 2023	Solar
Madelyn Solar, LLC	CD US Solar PO 3, LLC	Silver Lake, CA	2 GWh	Nov 2014	Dec 2023	Solar
Madera 1 PV	ZGlobal Inc	Madera, CA	3 GWh	Nov 2017	Dec 2023	Solar
Madera Community Hospital	CleanCapital Holdings	Madera, CA	2 GWh	Sep 2011	Jul 2023	Solar
Malaga Power LLC	CalPeak Power, LLC	Fresno, CA	11 GWh	Aug 2005	Aug 2024	Natural Gas
Malburg	City of Vernon	Vernon, CA	320 GWh	Sep 2005	Aug 2024	Natural Gas
Malech Solar Farm	County of Santa Clara (CA)	San Jose, CA	5 GWh	Sep 2017	Dec 2023	Solar
Mammoth G1	Ormat Nevada Inc	Mammoth lakes, CA	58 GWh	Nov 1984	Dec 2023	Geothermal
Mammoth G2	Ormat Nevada Inc	Mammoth Lakes, CA	62 GWh	Nov 1990	Dec 2023	Geothermal
Mammoth G3	Ormat Nevada Inc	Mammoth Lakes, CA	104 GWh	Nov 1990	Dec 2023	Geothermal
Mammoth Pool	Southern California Edison Co	North Fork, CA	562 GWh	Feb 1960	Aug 2024	Water
Manteca Land PV	AES Distributed Energy	Manteca, CA	444 MWh	Nov 2017	Dec 2023	Solar
Manzana Wind LLC	Avangrid Renewables LLC	Rosamond, CA	468 GWh	Nov 2012	Dec 2023	Wind
Marathon Bay Area Cogen	Tesoro Marketing & Refining Co. LLC (Martinez)	Martinez, CA	661 GWh	Jan 1987	Aug 2024	Natural Gas
Mariani Packing Vacaville Solar	SunE U6 Holdings LLC	Vacaville, CA	891 MWh	Oct 2008	Dec 2023	Solar
Maricopa West Solar PV, LLC	Onward Energy	Taft, CA	41 GWh	Nov 2015	Dec 2023	Solar
Marin Clean Energy Solar One	AES Distributed Energy	Richmond, CA	20 GWh	Nov 2017	Dec 2023	Solar
Marina Landfill Gas	Monterey Regional Waste Mgmt	Marina, CA	34 GWh	Mar 1998	Dec 2023	Landfill Gas
Marina South	Altus Power America Management, LLC	San Pedro, CA	2 GWh	Nov 2020	Dec 2023	Solar
Mariposa Energy Project	Diamond Generating Corporation	Byron, CA	93 GWh	Sep 2012	Aug 2024	Natural Gas
Marsh Landing Generating Station	Marsh Landing LLC	Antioch, CA	141 GWh	Apr 2013	Aug 2024	Natural Gas
Martinez Refining	Martinez Refining Co	Martinez, CA	702 GWh	Oct 1995	Aug 2024	Natural Gas : 96.9% Other Gas : 3.1%
Martinez Sulfuric Acid Regeneration Plt	Eco Services Corp.	Martinez, CA	16 GWh	Dec 1977	Dec 2023	Waste Heat
Maverick Solar 4, LLC	Maverick Solar 4, LLC	Desert Center, CA	231 GWh	Nov 2020	Aug 2024	Solar
Maverick Solar 6, LLC	Maverick Solar 6, LLC	Desert Center, CA	268 GWh	Oct 2021	Aug 2024	Solar : 99.8%
Maverick Solar 7, LLC	Maverick Solar 7, LLC	Desert Center, CA	313 GWh	Nov 2021	Aug 2024	Solar
Maverick Solar, LLC	Maverick Solar, LLC	Desert Center, CA	376 GWh	Nov 2020	Aug 2024	Solar
Maxim	Bloom Energy	San Jose, CA	7 GWh	Jul 2014	Dec 2023	Natural Gas
MCAGCC Cogen Plant	DOD USMC Marine Air Ground Combat	Twentynine Palms, CA	41 GWh	Jan 2003	Dec 2023	Natural Gas
McCoy Solar Energy Project Hybrid	McCoy Solar, LLC	Blythe, CA	525 GWh	Jul 2015	Dec 2023	Solar
McFarland A Solar and Storage	AES Clean Energy	Dateland, AZ	324 GWh	Nov 2023	Aug 2024	Solar
McGrath Peaker	Southern California Edison Co	Oxnard, CA	11 GWh	Oct 2012	Dec 2023	Natural Gas
McKittrick Cogen	Chevron USA Inc	McKittrick, CA	59 GWh	May 2012	Dec 2023	Natural Gas
McKittrick Limited	WCAC Operating Company	Bakersfield, CA	14 GWh	Sep 1991	Aug 2024	Natural Gas
McSwain	Merced Irrigation District	Snelling, CA	46 GWh	Jun 1967	Oct 2023	Water
Medline Ind. Phase 2 Tracy	EnterSolar	Tracy, CA	2 GWh	Mar 2018	Dec 2023	Solar
Merced 1 PV	ZGlobal Inc	Los Banos, CA	7 GWh	Mar 2018	Dec 2023	Solar
Merced Falls	Merced Irrigation District	Snelling, CA	13 GWh	Jun 1930	Oct 2023	Water
Merced Solar LLC	Ecos Energy LLC	Merced, CA	4 GWh	Nov 2014	Dec 2023	Solar
Meridian Vineyards	CVI CleanCapital Solar 1 LLC	Paso Robles, CA	1 GWh	Nov 2010	Dec 2023	Solar
Mesa Wind Repower	Mesa Wind Repower	Whitewater, CA	29 GWh	-	Aug 2024	Wind
Mesquite Solar 1	Consolidated Edison Development Inc.	Tonopah, AZ	404 GWh	Oct 2011	Dec 2023	Solar
Mesquite Solar 2, LLC	Consolidated Edison Development Inc.	Tonopah, AZ	281 GWh	Nov 2016	Aug 2024	Solar
Mesquite Solar 3, LLC	Consolidated Edison Development Inc.	Tonopah, AZ	463 GWh	Nov 2016	Aug 2024	Solar
Mesquite Solar 4, LLC	Consolidated Edison Development Inc.	Tonopah, AZ	104 GWh	-	Aug 2024	Solar
Metcalf Energy Center	Calpine Corp - Metcalf Energy Center	San Jose, CA	3 TWh	May 2005	Aug 2024	Natural Gas
Micro Santa Clara	Bloom Energy	San Jose, CA	15 GWh	Jun 2018	Dec 2023	Natural Gas
Middle Fork	Placer County Water Agency	Foresthill, CA	492 GWh	Sep 1966	Aug 2024	Water
Midway Peaking LLC	CalPeak Power, LLC	Firebaugh, CA	26 GWh	Apr 2009	Nov 2023	Natural Gas
Midway Sunset Cogen	Midway-Sunset Cogeneration Co	Fellows, CA	244 GWh	Apr 1989	Aug 2024	Natural Gas
Mill Creek 3	Southern California Edison Co	Mill Creek, CA	11 GWh	Feb 1903	Dec 2023	Water
Mira Loma	Costco Wholesale	Mira Loma, CA	3 GWh	Oct 2011	Dec 2023	Solar
Mira Loma Peaker	Southern California Edison Co	Ontario, CA	11 GWh	Aug 2007	Dec 2023	Natural Gas
Miramar Energy Facility	San Diego Gas & Electric Co	San Diego, CA	13 GWh	May 2005	Aug 2024	Natural Gas
Mission College Blvd. Fuel Cell	2016 ESA Project Company, LLC	Santa Clara, CA	38 GWh	Nov 2017	Dec 2023	Natural Gas
Mission Solar LLC	Ecos Energy LLC	Merced, CA	4 GWh	Nov 2014	Dec 2023	Solar
Mitchell Solar, LLC	CD US Solar PO 3, LLC	Silver Lake, CA	3 GWh	Nov 2014	Dec 2023	Solar
MM Lopez Energy	MM Lopez Energy LLC	Lake View Terrace, CA	26 GWh	Nov 1998	Dec 2023	Landfill Gas
MM San Diego-Miramar	MM San Diego Energy-Miramar	San Diego, CA	36 GWh	Jun 1997	Dec 2023	Landfill Gas : 90.2% Other Biomass Gas : 9.8%
MM Tulare Energy	MM Tulare Energy LLC	Visalia, CA	10 GWh	Apr 1998	Dec 2023	Landfill Gas
MM West Covina	MM West Covina Energy LLC	West Covina, CA	40 GWh	May 1993	Dec 2023	Landfill Gas : 99.4% Natural Gas : 0.6%
MM Yolo Power	Yolo County Community Services Department	Woodland, CA	18 GWh	Sep 1990	Dec 2023	Landfill Gas
Moccasin	City & County of San Francisco	Moccasin, CA	269 GWh	Jul 1969	Aug 2024	Water
Mojave 16/17/18	Terra-Gen Operating Co-Wind	Mojave, CA	54 GWh	Nov 1989	Dec 2023	Wind
Mojave 3/4/5	Terra-Gen Operating Co-Wind	Mojave, CA	83 GWh	Nov 1990	Dec 2023	Wind
Mojave Siphon	California Dept. of Water Resources	Hesperia, CA	70 GWh	Jul 1996	Dec 2023	Water
Mojave Solar Project	Mojave Solar LLC	Hinkley, CA	624 GWh	Nov 2014	Aug 2024	Solar
Monterey One Water	Monterey One Water	Marina, CA	8 GWh	Jul 1988	Dec 2023	Other Biomass Gas : 81.7% Natural Gas : 18.3%
Monterey Regional Water Pollution Control Agency	Tesla Inc.	Marina, CA	1 GWh	Nov 2010	Dec 2023	Solar
Montezuma Wind II	NextEra Energy Montezuma Wind II, LLC	Birds Landing, CA	197 GWh	Dec 2011	Dec 2023	Wind
Montgomery Creek Hydro	Central Rivers Power US, LLC	Montgomery Creek, CA	8 GWh	Dec 1986	Dec 2023	Water
Monticello Dam	Solano Irrigation District	Winters, CA	32 GWh	May 1983	Dec 2023	Water
Moonlight Packing - Phase 2	CalCom Energy	Reedley, CA	3 GWh	May 2019	Dec 2023	Solar
Morelos del Sol	Southern Power Co	Lost Hills, CA	30 GWh	Oct 2015	Dec 2023	Solar
Morgan Lancaster 1	Terraform Arcadia	Lancaster, CA	688 MWh	Aug 2015	Dec 2023	Solar
Mount Signal Solar Farm II	MN8 Energy LLC	Calexico, CA	406 GWh	Dec 2019	Aug 2024	Solar
Mount Signal Solar Farm V	Imperial Valley Solar 3, LLC	Calexico, CA	609 GWh	Oct 2018	Aug 2024	Solar
Mountain View I & II	AES Distributed Energy	North Palm Springs, CA	285 GWh	May 2001	Aug 2024	Wind
Mountain View III	Avangrid Renewables LLC	North Palm Springs, CA	69 GWh	Nov 2003	Dec 2023	Wind
Mountain View IV	AES Distributed Energy	North Palm Springs, CA	175 GWh	Jan 2012	Dec 2023	Wind
Mountainview Generating Station	Southern California Edison Co	Redlands, CA	3 TWh	Nov 2005	Aug 2024	Natural Gas
Mt Poso Cogeneration	Mt Poso Cogeneration Co	Bakersfield, CA	268 GWh	Apr 1989	Sep 2023	Wood/Wood Waste Solids : 99.5% Natural Gas : 0.5%
Muck Valley Hydroelectric	Brookfield Renewable Trading and Marketing LP	NA, CA	83 GWh	Nov 1988	Dec 2023	Water
Municipal Cogen Plant	Palm Springs City of	Palm Springs, CA	7 GWh	Apr 1985	Aug 2024	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