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	192.0 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 \| 45.4% Solar \| 23.1% Water \| 12% Wind \| 10.1% 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
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
Vacaville	Janssen Pharmaceutical Co	Vacaville, CA	2 GWh	Aug 2007	Dec 2022	Solar
Walgreens Woodland Distribution Center	SunE WG45 Woodland LLC	Woodland, CA	775 MWh	Jul 2007	Dec 2023	Solar
UCI Facilities Management Central Plant	University of California Irvine	Irvine, CA	112 GWh	Jun 2007	Sep 2024	Natural Gas
Transamerica Pyramid	Transamerica Pyramid Properties LLC	San Francisco, CA	525 MWh	Jun 2007	Dec 2023	Natural Gas
P Plant	Qualcomm Incorporated	San Diego, CA	30 GWh	Feb 2007	Jul 2024	Natural Gas
Energy Center	University of Redlands	Redlands, CA	5 GWh	Jan 2007	Dec 2023	Natural Gas
Buena Vista Energy LLC	Leeward Asset Management, LLC	Byron, CA	91 GWh	Nov 2006	Dec 2023	Wind
Hoag Hospital Cogen Plant	Hoag Memorial Presbyterian Hospital	Newport Beach, CA	5 GWh	Jun 2006	Feb 2024	Natural Gas
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
Shiloh I Wind Project	Avangrid Renewables LLC	Rio Vista, CA	418 GWh	Apr 2006	Dec 2023	Wind
Ameresco Santa Cruz Energy	AMERESCO Santa Cruz Energy LLC	Watsonville, CA	19 GWh	Dec 2005	Dec 2023	Landfill Gas
Mountainview Generating Station	Southern California Edison Co	Redlands, CA	3 TWh	Nov 2005	Sep 2024	Natural Gas
Kumeyaay Wind	Leeward Asset Management, LLC	Campo, CA	145 GWh	Nov 2005	Dec 2023	Wind
Palomar Energy	San Diego Gas & Electric Co	Escondido, CA	1 TWh	Sep 2005	Sep 2024	Natural Gas
Malburg	City of Vernon	Vernon, CA	333 GWh	Sep 2005	Sep 2024	Natural Gas
Malaga Power LLC	CalPeak Power, LLC	Fresno, CA	11 GWh	Aug 2005	Sep 2024	Natural Gas
W Plant	Qualcomm Incorporated	San Diego, CA	33 GWh	Jun 2005	Sep 2024	Natural Gas
Metcalf Energy Center	Calpine Corp - Metcalf Energy Center	San Jose, CA	3 TWh	May 2005	Sep 2024	Natural Gas
Miramar Energy Facility	San Diego Gas & Electric Co	San Diego, CA	12 GWh	May 2005	Sep 2024	Natural Gas
Coram Energy LLC (ECT)	Nextera Energy Resources	Tehachapi, CA	32 GWh	Apr 2005	Dec 2023	Wind
Pastoria Energy Facility, LLC	Calpine Corp - Pastoria Energy Center	Lebec, CA	4 TWh	Apr 2005	Sep 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%
Donald Von Raesfeld Power Plant	City of Santa Clara - (CA)	Santa Clara, CA	895 GWh	Feb 2005	Sep 2024	Natural Gas
Clearwater Power Plant	City of Riverside - (CA)	Corona, CA	13 GWh	Feb 2005	Dec 2023	Natural Gas
Coram Energy LLC	Nextera Energy Resources	Tehachapi, CA	36 GWh	Dec 2004	Dec 2023	Wind
Bear Valley Power Plant	Bear Valley Electric Service	Big Bear Lake, CA	2 GWh	Dec 2004	Dec 2023	Natural 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
Lincoln Landfill	Energy 2001 Inc	Lincoln, CA	29 GWh	Oct 2004	Dec 2023	Landfill Gas
Signal Hill West Unit	Signal Hill Petroleum, Inc	Signal Hill, CA	36 GWh	Jun 2004	Sep 2024	Other Gas
Sycamore Energy LLC	Sycamore Energy LLC	Santee, CA	23 GWh	Mar 2004	Dec 2023	Landfill Gas
Sierra Pacific Lincoln Facility	Sierra Pacific Industries	Lincoln, CA	88 GWh	Feb 2004	Dec 2023	Wood/Wood Waste Solids
Naval Hospital Medical Center	Department of the Navy	San Diego, CA	21 GWh	Nov 2003	Sep 2024	Natural Gas
Blythe Energy Inc	AltaGas Blythe Operations Inc	Blythe, CA	1 TWh	Nov 2003	Sep 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
California Institute of Technology	California Institute-Technology	Pasadena, CA	50 GWh	Jul 2003	Sep 2024	Natural Gas
Elk Hills Power LLC	Elk Hills Power LLC	Tupman, CA	2 TWh	Jun 2003	Sep 2024	Natural Gas
High Winds LLC	FPLE High Winds, LLC	Birds Landing, CA	238 GWh	Jun 2003	Dec 2023	Wind
Agua Mansa Power Plant	E I Colton LLC	Colton, CA	10 GWh	May 2003	Dec 2023	Natural Gas
Riverview Energy Center	Gilroy Energy Center for Riverview	Antioch, CA	28 GWh	Apr 2003	Dec 2023	Natural Gas
High Desert Power Plant	MRP Generation Holdings, LLC	Victorville, CA	5 TWh	Mar 2003	Sep 2024	Natural Gas
Tracy Combined Cycle Power Plant	MRP San Joaquin Energy LLC.	Tracy, CA	953 GWh	Mar 2003	Sep 2024	Natural Gas
Los Esteros Critical Energy Center	Los Esteros Critical Energy Facility LLC	San Jose, CA	246 GWh	Jan 2003	Sep 2024	Natural Gas
MCAGCC Cogen Plant	DOD USMC Marine Air Ground Combat	Twentynine Palms, CA	41 GWh	Jan 2003	Dec 2023	Natural Gas
La Paloma Generating Plant	CXA La Paloma LLC	McKittrick, CA	2 TWh	Dec 2002	Sep 2024	Natural Gas
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	346 GWh	Dec 2002	Sep 2024	Natural Gas
Valero Refinery Cogeneration Unit 1	Valero Refining Co California	Benicia, CA	182 GWh	Sep 2002	Sep 2024	Natural Gas : 80.1% Other Gas : 19.9%
Cabazon Wind Partners	Shell Wind Energy Inc.	Cabazon, CA	118 GWh	Sep 2002	Dec 2023	Wind
Whitewater Hill Wind Partners	Shell Wind Energy Inc.	North Palm Springs, CA	172 GWh	Sep 2002	Dec 2023	Wind
Kern Oil & Refining Co	Kern Oil & Refining Co	Bakersfield, CA	35 GWh	Sep 2002	Sep 2024	Natural Gas
San Diego State University	San Diego State University	San Diego, CA	56 GWh	Aug 2002	Sep 2024	Natural Gas : 97.6% Solar : 2.4%
Yuba City Energy Center	Calpine Corp-Yuba City	Yuba City, CA	49 GWh	Jul 2002	Dec 2023	Natural Gas
Springs Generating Station	City of Riverside - (CA)	Riverside, CA	11 GWh	Jun 2002	Dec 2023	Natural Gas
CalPeak Power Vaca Dixon Peaker Plant	CalPeak Power, LLC	Vacaville, CA	7 GWh	May 2002	Dec 2023	Natural Gas
Henrietta Peaker	MRP San Joaquin Energy LLC.	Lemoore, CA	5 GWh	May 2002	Sep 2024	Natural Gas
SF Southeast Cogen Plant	City & County of San Francisco	San Francisco, CA	235 MWh	May 2002	Dec 2023	Other Biomass Gas
Delta Energy Center	Delta Energy Center LLC	Pittsburg, CA	4 TWh	Apr 2002	Sep 2024	Natural Gas
Cuyamaca Peak Energy Plant	San Diego Gas & Electric Co	El Cajon, CA	12 GWh	Apr 2002	Dec 2023	Natural Gas
King City Peaking	Calpine Corp-King City	King City, CA	12 GWh	Mar 2002	Dec 2023	Natural Gas
City of Palo Alto	City of Palo Alto	Palo Alta, CA	21 MWh	Feb 2002	Dec 2023	Natural Gas
Irwindale Brew Yard, LLC	Irwindale Brew Yard, LLC	Irwindale, CA	1 GWh	Jan 2002	Sep 2024	Solar : 98.0% Other Biomass Gas : 2.0%
CalPeak Power Panoche Peaker Plant	CalPeak Power, LLC	Firebaugh, CA	26 GWh	Nov 2001	Dec 2023	Natural Gas
CalPeak Power Border Peaker Plant	CalPeak Power, LLC	San Diego, CA	13 GWh	Oct 2001	Dec 2023	Natural Gas
CalPeak Power Enterprise Peaker Plant	CalPeak Power, LLC	Escondido, CA	5 GWh	Oct 2001	Nov 2023	Natural Gas
Gilroy Peaking Energy Center	Calpine Gilroy Cogen LP	Gilroy, CA	27 GWh	Oct 2001	Nov 2023	Natural Gas
Watkins Manufacturing Co.	Watkins Manufacturing Corporation	San Diego, CA	5 GWh	Oct 2001	Sep 2024	Natural Gas
Hanford Energy Park Peaker	MRP San Joaquin Energy LLC.	Hanford, CA	4 GWh	Aug 2001	Sep 2024	Natural Gas
Century Generating Facility	Colton Power LP	Colton, CA	651 MWh	Aug 2001	Dec 2023	Natural Gas
Santa Rita Jail Hybrid	County of Alameda GSA	Dublin, CA	13 GWh	Aug 2001	Dec 2023	Natural Gas : 80.9% Solar : 19.1%
Los Medanos Energy Center	Los Medanos Energy Center LLC	Pittsburg, CA	3 TWh	Jul 2001	Sep 2024	Natural Gas
Drews Generating Facility	Colton Power LP	Colton, CA	606 MWh	Jul 2001	Dec 2023	Natural Gas
Red Bluff	California Power Holdings LLC	Red Bluff, CA	12 GWh	Jul 2001	Dec 2023	Natural Gas
Indigo Energy Facility	Diamond Generating Corporation	North Palm Springs, CA	26 GWh	Jun 2001	Dec 2023	Natural Gas
Larkspur Energy Facility	Diamond Generating Corporation	San Diego, CA	39 GWh	Jun 2001	Dec 2023	Natural Gas
University of California San Diego Hybrid	University of California San Diego	La Jolla, CA	222 GWh	Jun 2001	Sep 2024	Natural Gas
Sunrise Power LLC	Sunrise Power Co LLC	Fellows, CA	3 TWh	May 2001	Sep 2024	Natural Gas
Mountain View I & II	AES Distributed Energy	North Palm Springs, CA	277 GWh	May 2001	Sep 2024	Wind
Chowchilla II	California Power Holdings LLC	Chowchilla, CA	14 GWh	May 2001	Dec 2023	Natural Gas
Diamond Valley Lake	Metropolitan Water District of S CA	Winchester, CA	3 GWh	Apr 2001	Dec 2022	Water
Saint Agnes Medical Center	Saint Agnes Medical Center	Fresno, CA	25 GWh	Apr 2001	Sep 2024	Natural Gas
Chula Vista Energy Center	Wellhead Services, Inc	Chula Vista, CA	2 GWh	Apr 2001	Dec 2023	Natural Gas
Sierra Pacific Sonora	Sierra Pacific Industries	Standard, CA	34 GWh	Jan 2001	Dec 2023	Wood/Wood Waste Solids
Regional Wastewater Control Facility	City of Stockton MUD	Stockton, CA	4 GWh	Oct 2000	Dec 2023	Other Biomass Gas : 97.7% Natural Gas : 2.2%
Blacksand Generating Facility	Bridge Energy LLC	Brea, CA	45 GWh	May 2000	Dec 2023	Natural Gas
Desert Star Energy Center	Desert Star Energy Center SDG&E	Boulder City, NV	1 TWh	Apr 2000	Sep 2024	Natural Gas
Childrens Hospital	DTE San Diego COGEN Inc.	San Diego, CA	27 GWh	Mar 2000	Sep 2024	Natural Gas
Santa Ana 3	Southern California Edison Co	Highlands, CA	424 MWh	Aug 1999	Dec 2023	Water
San Gorgonio Westwinds II LLC	Terra-Gen Operating Co-Wind	North Palm Springs, CA	112 GWh	May 1999	Dec 2023	Wind
North City - Landfill Gas Engines South	City of San Diego	San Diego, CA	2 GWh	Feb 1999	Dec 2022	Landfill Gas : 84.1% Natural Gas : 15.9%
Salka Cabazon Wind	Salka Cabazon Wind LLC	North Palm Springs, CA	7 GWh	Dec 1998	Dec 2023	Wind

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	5.7 TWh	65
#33	Los Angeles Department of Water and Power	16.0 TWh	120
#22	Nevada Power Company	37.8 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.	462.2 TWh	1,139
#5	Southwest Power Pool	290.4 TWh	762
#6	Southern Company Services, Inc. - Trans	248.1 TWh	393
#7	California Independent System Operator	192.0 TWh	1,943
#9	Tennessee Valley Authority	157.6 TWh	170
#10	Florida Power & Light Co.	147.6 TWh	159
#12	New York Independent System Operator	129.8 TWh	1,100
#13	Duke Energy Carolinas	110.9 TWh	556
#15	ISO New England	103.1 TWh	1,487
#16	Bonneville Power Administration	80.0 TWh	158