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%

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

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Plant Name	Utility	Location	Annual Generation	Plant Date	Last Update	Fuel Types
Point Wind	Terra-Gen Operating Co-Wind	Tehachapi, CA	218 GWh	Feb 2021	Jul 2026	Wind
Vintner Solar	Ecos Energy LLC	Templeton, CA	4 GWh	Mar 2014	Dec 2025	Solar
Deer Creek Hybrid	Deer Creek Solar I, LLC	Terra Bella, CA	17 GWh	-	Jul 2026	Solar
Tipton 1 - (CA)	CleanCapital Holdings	Tipton, CA	8 GWh	Nov 2024	Dec 2025	Solar
Blue Moon Farms	Bravo REC Management LLC	Tipton, CA	2 GWh	Jul 2024	Dec 2025	Solar
Tipton 2 - (CA)	CleanCapital Holdings	Tipton, CA	3 GWh	Nov 2024	Dec 2025	Solar
Mesquite Solar 4, LLC	RWE Clean Energy	Tonopah, AZ	140 GWh	Dec 2023	Jul 2026	Solar
Mesquite Solar 3, LLC	RWE Clean Energy	Tonopah, AZ	437 GWh	Nov 2016	Jul 2026	Solar
Mesquite Solar 2, LLC	RWE Clean Energy	Tonopah, AZ	248 GWh	Nov 2016	Jul 2026	Solar
Mesquite Solar 1	RWE Clean Energy	Tonopah, AZ	392 GWh	Oct 2011	Dec 2025	Solar
Torrance Refining Company, LLC	Torrance Refining Company, LLC	Torrance, CA	68 GWh	Aug 1983	Jul 2026	Other Gas : 56.6% Waste Heat : 43.4%
Tracy Combined Cycle Power Plant	MRP San Joaquin Energy LLC.	Tracy, CA	669 GWh	Mar 2003	Jul 2026	Natural Gas
Foundation ST	Foundation HA Energy Generation, LLC	Tracy, CA	2 GWh	May 2011	Dec 2025	Wind
Tracy 18 - SLCVA418	Prologis Logistics Services Incorporated	Tracy, CA	182 MWh	Sep 2025	Dec 2025	Solar
IPC 25 Solar	Prologis Logistics Services Incorporated	Tracy, CA	5 GWh	Jun 2024	Dec 2025	Solar
Prologis L.P	Powerflex	Tracy, CA	6 GWh	Jul 2018	Dec 2025	Solar
Tracy 210	Costco Wholesale	Tracy, CA	21 GWh	Feb 2019	Dec 2025	Natural Gas
Medline Ind. Phase 2 Tracy	Powerflex	Tracy, CA	2 GWh	Mar 2018	Aug 2025	Solar
Tranquillity ID	Tranquillity Solar 1, LLC	Tranquillity, CA	2 GWh	Feb 2018	Dec 2025	Solar
Trona Solar III	Trona Solar III LLC	Trona, CA	5 GWh	Mar 2023	Dec 2025	Solar
Argus Cogen Plant	Searles Valley Minerals Operations Inc.	Trona, CA	154 GWh	Nov 1947	Jul 2026	Bituminous Coal : 71.3% Natural Gas : 28.7%
Tulare 1 and 2	Arevon Energy, Inc.	Tulare, CA	5 GWh	Dec 2013	Dec 2025	Solar
Solar Photovoltaic Project #42	Southern California Edison Co	Tulare, CA	6 GWh	Oct 2012	Dec 2025	Solar
City of Tulare Water Facility	City of Tulare Water Pollution Control - (CA)	Tulare, CA	16 GWh	Dec 1990	Dec 2025	Natural Gas : 61.0% Other Biomass Gas : 20.1% Solar : 19.0%
Central CA Fuel Cell 1, LLC	Cordia	Tulare, CA	13 GWh	Apr 2018	Dec 2025	Natural Gas
Visalia CSG LLC	Dimension Energy LLC	Tulare, CA	8 GWh	Feb 2024	Dec 2025	Solar
Tulare CSG LLC	Dimension Energy LLC	Tulare, CA	6 GWh	Sep 2024	Dec 2025	Solar
Tulare BioMAT Fuel Cell	Central CA Fuel Cell 2, LLC	Tulare, CA	6 GWh	Nov 2019	Dec 2025	Other Biomass Gas : 77.3% Natural Gas : 22.7%
TWC	Bravo REC Management LLC	Tulare, CA	2 GWh	Jul 2024	Dec 2025	Solar
Elk Hills Cogen	California Resources Elk Hills LLC	Tupman, CA	103 GWh	Oct 1994	Jul 2026	Natural Gas
Elk Hills Power LLC	Elk Hills Power LLC	Tupman, CA	3 TWh	Jun 2003	Jul 2026	Natural Gas
SEPV 8	Deriva Energy	Twentynine Palms, CA	32 GWh	May 2013	Dec 2025	Solar
SEPV 2	CVI CleanCapital Solar 1 LLC	Twentynine Palms, CA	3 GWh	May 2012	Dec 2025	Solar
MCAGCC Cogen Plant	DOD USMC Marine Air Ground Combat	Twentynine Palms, CA	68 GWh	Jan 2003	Dec 2025	Natural Gas
SEPV9 Power Plant	Deriva Energy	Twentynine Palms, CA	23 GWh	May 2013	Dec 2025	Solar
Lake Mendocino	City of Ukiah - (CA)	Ukiah, CA	12 GWh	Apr 1987	Dec 2025	Water
Comcast - Universal City	Bloom Energy	Universal City, CA	7 GWh	Aug 2021	Dec 2025	Natural Gas
San Antonio Regional Hospital	San Antonio Regional Hospital	Upland, CA	13 GWh	Dec 1984	Dec 2025	Natural Gas
Mariani Packing Vacaville Solar	SunE U6 Holdings LLC	Vacaville, CA	586 MWh	Oct 2008	Dec 2025	Solar
CalPeak Power Vaca Dixon Peaker Plant	CalPeak Power, LLC	Vacaville, CA	7 GWh	May 2002	Dec 2025	Natural Gas
G2 Energy Hay Rd	G2 Energy LLC	Vacaville, CA	13 GWh	May 2013	Dec 2025	Landfill Gas
Vaca Dixon Solar Station	Pacific Gas & Electric Co.	Vacaville, CA	3 GWh	Nov 2009	Dec 2025	Solar
Genentech Vacaville Meter #1	Tesla Inc.	Vacaville, CA	12 GWh	Apr 2017	Dec 2025	Solar
CDCR (CA) - Solano State Prison	SunE Solano SP Owner, LLC	Vacaville, CA	2 GWh	Nov 2013	Dec 2025	Solar
Vacaville Hospital	KP Vacaville Solar, LLC	Vacaville, CA	2 GWh	Nov 2019	Dec 2025	Solar
Stanislaus	Pacific Gas & Electric Co.	Vallecito, CA	200 GWh	Feb 1963	Dec 2025	Water
SFDK Solar	AES Distributed Energy	Vallejo, CA	10 GWh	Nov 2019	Dec 2025	Solar
NLP Granger	Heelstone Energy Holdings, LLC	Valley Center, CA	5 GWh	Aug 2016	Dec 2025	Solar
Valley Center	Heelstone Energy Holdings, LLC	Valley Center, CA	4 GWh	Nov 2016	Dec 2025	Solar
Valley Center 2	MN8 Energy LLC	Valley Center, CA	8 GWh	Nov 2013	Dec 2025	Solar
Valley Center 1	MN8 Energy LLC	Valley Center, CA	4 GWh	Nov 2013	Dec 2025	Solar
New Hogan Power Plant	Modesto Irrigation District	Valley Springs, CA	6 GWh	Mar 1989	Dec 2025	Water
Pardee	East Bay Municipal Util Dist - (CA)	Valley Springs, CA	80 GWh	Jun 1930	Dec 2025	Water
Vandenberg Solar Project	MN8 Energy LLC	Vandenberg Airforce B, CA	39 GWh	Nov 2017	Dec 2025	Solar
CA-Ventura Co CCD-Oxnard College Canopy	Forefront Power, LLC	Ventura, CA	3 GWh	Nov 2022	Dec 2025	Solar
CA-Ventura County CCD-Ventura College	Forefront Power, LLC	Ventura, CA	145 MWh	Nov 2025	Dec 2025	Solar
H. Gonzales	City of Vernon - (CA)	Vernon, CA	29 MWh	Dec 1986	Dec 2025	Natural Gas
Malburg	City of Vernon - (CA)	Vernon, CA	281 GWh	Sep 2005	Jul 2026	Natural Gas
Victor Mesa Linda C2	AES Distributed Energy	Victorville, CA	4 GWh	Oct 2014	Dec 2025	Solar
Foundation Cemex River Plant	Foundation CA Fund VI Manager LLC	Victorville, CA	4 GWh	Nov 2012	Dec 2025	Wind
Victor Mesa Linda B2	AES Distributed Energy	Victorville, CA	4 GWh	Oct 2014	Dec 2025	Solar
Victor Mesa Linda D2	AES Distributed Energy	Victorville, CA	4 GWh	Oct 2014	Dec 2025	Solar
Victor Mesa Linda E2	AES Distributed Energy	Victorville, CA	4 GWh	Oct 2014	Dec 2025	Solar
Expressway Solar A	AES Distributed Energy	Victorville, CA	5 GWh	Apr 2014	Dec 2025	Solar
Expressway Solar B	AES Distributed Energy	Victorville, CA	4 GWh	Apr 2014	Dec 2025	Solar
Expressway Solar C2	AES Distributed Energy	Victorville, CA	3 GWh	Oct 2014	Dec 2025	Solar
High Desert Power Plant	MRP Generation Holdings, LLC	Victorville, CA	3 TWh	Mar 2003	Jul 2026	Natural Gas
Victor Dry Farm Ranch A	AES Distributed Energy	Victorville, CA	10 GWh	May 2015	Dec 2025	Solar
Victor Dry Farm Ranch B	AES Distributed Energy	Victorville, CA	10 GWh	May 2015	Dec 2025	Solar
Hudson - High Desert Hybrid	MN8 Energy LLC	Victorville, CA	289 GWh	Nov 2021	Jul 2026	Solar
Pivot Energy PPA 22	Pivot Energy	Visalia, CA	2 GWh	Sep 2024	Dec 2025	Solar
Amazon Visalia (FAT2)	Madison Energy Investments LLC	Visalia, CA	4 GWh	Feb 2023	Dec 2025	Solar
Elkhorn Dairy	Bravo REC Management LLC	Visalia, CA	1 GWh	Jan 2009	Dec 2025	Solar
Double J Dairy Array	Bravo REC Management LLC	Visalia, CA	9 GWh	Oct 2023	Dec 2025	Solar
North Juvenile Detention Center Solar	SoCore Energy LLC	Visalia, CA	2 GWh	Oct 2019	Dec 2025	Solar
Visalia - (CA)	CleanCapital Holdings	Visalia, CA	3 GWh	May 2025	Dec 2025	Solar
Government Plaza Solar	SoCore Energy LLC	Visalia, CA	2 GWh	Oct 2020	Dec 2025	Solar
Tulare Akers Professional Center	SoCore Energy LLC	Visalia, CA	2 GWh	Oct 2019	Dec 2025	Solar
Bob Wiley Detention Center	SoCore Energy LLC	Visalia, CA	3 GWh	Aug 2020	Dec 2025	Solar
RE-VFO LLC	RE-VFO LLC	Visalia, CA	2 GWh	Apr 2009	Dec 2025	Solar
Civic Center East	SoCore Energy LLC	Visalia, CA	3 GWh	Nov 2020	Dec 2025	Solar
Ivanhoe Solar	Altus Power America Management, LLC	Visalia, CA	5 GWh	Dec 2013	Dec 2025	Solar
Kaweah Delta District Hospital	Kaweah Delta Hospital	Visalia, CA	22 GWh	Sep 2008	Jul 2026	Natural Gas
San Diego - NCRC at Vista	California PV Energy 3, LLC	Vista, CA	3 GWh	Feb 2021	Dec 2025	Solar
Walnut Unified School District Walnut HS	Tesla Inc.	Walnut, CA	327 MWh	Jan 2020	Jun 2025	Solar
DGS Wasco State Prison	Forefront Power, LLC	Wasco, CA	5 GWh	Jun 2020	Dec 2025	Solar
CDCR (CA) - Wasco State Prison	SunE Wasco SP Owner, LLC	Wasco, CA	3 GWh	Nov 2013	Dec 2025	Solar
Nachtigall 1836-WD	Standard Solar	Wasco, CA	11 GWh	Nov 2024	Dec 2025	Solar
Terry 1818-WD	Standard Solar	Wasco, CA	10 GWh	Nov 2024	Dec 2025	Solar
Avalon Dairy	Renewable Solar, Inc	Wasco, CA	792 MWh	Aug 2024	Dec 2025	Solar
Wonderful Nursery	Wonderful Renewable Energy, LLC.	Wasco, CA	5 GWh	Jun 2021	Dec 2025	Solar
Wildwood Solar II	Deriva Energy	Wasco, CA	39 GWh	Dec 2016	Dec 2025	Solar
Wildwood Solar I, LLC	Deriva Energy	Wasco, CA	48 GWh	Jan 2015	Dec 2025	Solar
Ameresco Santa Cruz Energy	AMERESCO Santa Cruz Energy LLC	Watsonville, CA	14 GWh	Dec 2005	Dec 2025	Landfill Gas
North Sky River Energy LLC	North Sky River Energy LLC	Weldon, CA	365 GWh	Nov 2012	Dec 2025	Wind
HL Power	HL Power Company	Wendel, CA	196 GWh	Jun 1989	Dec 2025	Wood/Wood Waste Solids : 99.4% Natural Gas : 0.6%
HL Solar (Lassen)	Madison Energy Investments LLC	Wendel, CA	12 GWh	May 2019	Dec 2025	Solar
MM West Covina	MM West Covina Energy LLC	West Covina, CA	40 GWh	May 1993	Dec 2025	Landfill Gas : 99.7%
G2 Energy Ostrom Road LLC	G2 Energy LLC	Wheatland, CA	28 GWh	Jan 2009	Dec 2025	Landfill Gas
Painted Hills Wind Park	Terra-Gen Operating Co-Wind	Whitewater, CA	161 GWh	Oct 1985	Jul 2026	Wind

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