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 | Jan 2026 |
| Annual Generation | 184.8 TWh |
| Power Plants | 2,075 |
| Utilities | 965 |
| 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 | 41.7% Solar | 26.8% Water | 11.8% Wind | 10.6% Nuclear | 9.5% |
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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 |
|---|---|---|---|---|---|---|
| RE Camelot LLC | Onward Energy | Mojave, CA | 125 GWh | Nov 2014 | Dec 2024 | Solar |
| RE Adams East, LLC | Onward Energy | Fresno, CA | 39 GWh | Nov 2014 | Dec 2024 | Solar |
| RE Kansas Solar, LLC | Onward Energy | Lemoore, CA | 36 GWh | Nov 2014 | Dec 2024 | Solar |
| RE Old River One, LLC | Onward Energy | Bakersfield, CA | 36 GWh | Nov 2014 | Dec 2024 | Solar |
| RE Columbia Two, LLC | Onward Energy | Mojave, CA | 40 GWh | Nov 2014 | Dec 2024 | Solar |
| RE Kent South, LLC | Onward Energy | Lemoore, CA | 44 GWh | Nov 2014 | Dec 2024 | Solar |
| Woodmere Solar Farm | AES Distributed Energy | Edison, CA | 24 GWh | Nov 2015 | Dec 2024 | Solar |
| Hayworth Solar | AES Distributed Energy | Edison, CA | 46 GWh | Nov 2015 | Dec 2024 | Solar |
| Tiger Creek | Pacific Gas & Electric Co. | Pioneer, CA | 225 GWh | May 1931 | Dec 2024 | Water |
| Cottonwood Solar, LLC (Goose Lake) | Onward Energy | Lost Hills, CA | 32 GWh | Apr 2015 | Dec 2024 | Solar |
| Cottonwood Solar, LLC (City of Corcoran) | Onward Energy | Corcoran, CA | 23 GWh | Apr 2015 | Dec 2024 | Solar |
| Division 1 | Tesla Inc. | Lancaster, CA | 3 GWh | May 2014 | Dec 2024 | Solar |
| Division 2 | Tesla Inc. | Lancaster, CA | 541 MWh | May 2014 | Dec 2024 | Solar |
| Division 3 | Tesla Inc. | Lancaster, CA | 458 MWh | May 2014 | Dec 2024 | Solar |
| Kettering Solar 1 | Tesla Inc. | Lancaster, CA | 2 GWh | May 2014 | Dec 2024 | Solar |
| Kettering Solar 2 | Tesla Inc. | Lancaster, CA | 2 GWh | May 2014 | Dec 2024 | Solar |
| CSD 2- Freedom High | CleanCapital Holdings | Oakley, CA | 1 GWh | Jul 2013 | Dec 2024 | Solar |
| CSD 2 - Heritage High | CleanCapital Holdings | Brentwood, CA | 2 GWh | Aug 2013 | Dec 2024 | Solar |
| EAFB - North Base | CleanCapital Holdings | Edwards Air Force Bas, CA | 3 GWh | Jan 2012 | Dec 2024 | Solar |
| EAFB - South Base | CleanCapital Holdings | Edwards Air Force Bas, CA | 2 GWh | Jan 2012 | Dec 2024 | Solar |
| SDCCD - Miramar | CleanCapital Holdings | San Diego, CA | 2 GWh | Jan 2011 | Dec 2024 | Solar |
| SDCWA - Twin Oaks | CleanCapital Holdings | San Marcos, CA | 1 GWh | Apr 2011 | Dec 2024 | Solar |
| RE Mustang LLC | MN8 Energy LLC | Lemoore, CA | 221 GWh | Jul 2016 | Dec 2024 | Solar |
| Lancaster Solar 1 | Boralex US Operations LLC | Lancaster, CA | 2 GWh | Oct 2014 | Dec 2024 | Solar |
| Lancaster Solar 2 | Boralex US Operations LLC | Lancaster, CA | 3 GWh | Oct 2014 | Dec 2024 | Solar |
| Hesperia | SunEdison LLC | Hesperia, CA | 3 GWh | Jul 2014 | Dec 2024 | Solar |
| CID Solar, LLC | Onward Energy | Corcoran, CA | 45 GWh | Nov 2014 | Dec 2024 | Solar |
| Farmersville | Arevon Energy, Inc. | Farmersville, CA | 7 GWh | Jun 2014 | Dec 2024 | Solar |
| Porterville 6 and 7 | Arevon Energy, Inc. | Porterville, CA | 3 GWh | Jun 2014 | Dec 2024 | Solar |
| Rising Tree Wind Farm II | Rising Tree Wind Farm II LLC | Mojave, CA | 59 GWh | Dec 2014 | Dec 2024 | Wind |
| Rising Tree Wind Farm III | Rising Tree Wind Farm III LLC | Mojave, CA | 261 GWh | May 2015 | Dec 2024 | Wind |
| Lone Valley Solar Park II LLC | Lone Valley Solar Park II LLC | Lucerne Valley, CA | 50 GWh | Nov 2014 | Dec 2024 | Solar |
| Rio Bravo Solar 1 LLC | Duke Energy Renewables Services | McKittrick, CA | 52 GWh | Nov 2016 | Dec 2024 | Solar |
| Rio Bravo Solar II LLC | Duke Energy Renewables Services | McKittrick, CA | 51 GWh | Nov 2016 | Dec 2024 | Solar |
| Wildwood Solar II | Duke Energy Renewables Services | Wasco, CA | 39 GWh | Dec 2016 | Dec 2024 | Solar |
| Lancaster Little Rock | AES Distributed Energy | Landers, CA | 3 GWh | Nov 2014 | Dec 2024 | Solar |
| Merced Solar LLC | Ecos Energy LLC | Merced, CA | 4 GWh | Nov 2014 | Dec 2024 | Solar |
| Mission Solar LLC | Ecos Energy LLC | Merced, CA | 4 GWh | Nov 2014 | Dec 2024 | Solar |
| Hollister Solar LLC | Ecos Energy LLC | Hollister, CA | 4 GWh | Nov 2014 | Dec 2024 | Solar |
| Victor Mesa Linda B2 | AES Distributed Energy | Victorville, CA | 4 GWh | Oct 2014 | Dec 2024 | Solar |
| Victor Mesa Linda C2 | AES Distributed Energy | Victorville, CA | 4 GWh | Oct 2014 | Dec 2024 | Solar |
| Victor Mesa Linda D2 | AES Distributed Energy | Victorville, CA | 4 GWh | Oct 2014 | Dec 2024 | Solar |
| Victor Mesa Linda E2 | AES Distributed Energy | Victorville, CA | 4 GWh | Oct 2014 | Dec 2024 | Solar |
| SEPV Palmdale East | AES Distributed Energy | Palmdale, CA | 25 GWh | Jul 2015 | Dec 2024 | Solar |
| Life Technologies - Pleasanton | Bloom Energy | Pleasanton, CA | 8 GWh | Feb 2013 | Dec 2024 | Natural Gas |
| Kellogg's - San Jose | Bloom Energy | San Jose, CA | 7 GWh | Aug 2013 | Dec 2024 | Natural Gas |
| California PV Energy at ISD WWTP | California PV Energy LLC | Oakley, CA | 2 GWh | Jul 2014 | Dec 2024 | Solar |
| Waste Mangement Redwood LFGTE | WM Renewable Energy LLC | Novato, CA | 13 GWh | Apr 2017 | Dec 2024 | Landfill Gas |
| Hanford 1 and 2 | Arevon Energy, Inc. | Hanford, CA | 5 GWh | Jul 2014 | Dec 2024 | Solar |
| Pumpjack Solar I | Duke Energy Renewables Services | McKittrick, CA | 46 GWh | Dec 2014 | Dec 2024 | Solar |
| City of Soledad Water Reclamation | Foundation HA Energy Generation, LLC | Soledad, CA | 4 GWh | Oct 2014 | Dec 2024 | Wind |
| Taylor Farms | Foundation HA Energy Generation, LLC | Gonzales, CA | 4 GWh | Oct 2014 | Dec 2024 | Wind |
| Catalina Solar 2, LLC | Onward Energy | Rosamond, CA | 53 GWh | Jul 2015 | Dec 2024 | Solar |
| Quinto Solar PV Project | Arevon Energy, Inc. | Gustine, CA | 257 GWh | Oct 2015 | Dec 2024 | Solar |
| SCE-Snowline-Duncan Road (North) | SunEdison LLC | Phelan, CA | 2 GWh | Sep 2014 | Dec 2024 | Solar |
| SCE-Snowline-Duncan Road (South) | SunEdison LLC | Phelan, CA | 2 GWh | Sep 2014 | Dec 2024 | Solar |
| Wildwood Solar I, LLC | Duke Energy Renewables Services | Wasco, CA | 42 GWh | Jan 2015 | Dec 2024 | Solar |
| City of Tulare Water Facility | City of Tulare Water Pollution Control | Tulare, CA | 21 GWh | Dec 1990 | Dec 2024 | Natural Gas : 62.5% Other Biomass Gas : 21.5% Solar : 16.0% |
| Diamond Valley Solar Project | Ecos Energy LLC | Winchester, CA | 2 GWh | Dec 2014 | Dec 2024 | Solar |
| Shafter Solar LLC | Shafter Solar LLC | Bakersfield, CA | 46 GWh | Apr 2015 | Dec 2024 | Solar |
| Madelyn Solar, LLC | CD US Solar PO 3, LLC | Silver Lake, CA | 3 GWh | Nov 2014 | Dec 2024 | Solar |
| Rudy Solar, LLC | CD US Solar PO 3, LLC | Silver Lake, CA | 4 GWh | Nov 2014 | Dec 2024 | Solar |
| Mitchell Solar, LLC | CD US Solar PO 3, LLC | Silver Lake, CA | 4 GWh | Nov 2014 | Dec 2024 | Solar |
| Algonquin SKIC20 Solar LLC | Algonquin Power Co | Taft, CA | 41 GWh | Apr 2015 | Dec 2024 | Solar |
| Corcoran Solar 2 | Consolidated Edison Development Inc. | Corcoran, CA | 46 GWh | Apr 2015 | Dec 2024 | Solar |
| Atwell Island West Solar | Consolidated Edison Development Inc. | Alpaugh, CA | 45 GWh | Apr 2015 | Dec 2024 | Solar |
| Anaheim Solar Energy Plant | Anaheim Public Utilities | Anaheim, CA | 3 GWh | Jul 2014 | Dec 2024 | Solar |
| SCE-Snowline-White Road (South) | SunEdison LLC | Phelan, CA | 3 GWh | Oct 2014 | Dec 2024 | Solar |
| SCE-Snowline-White Rd (Central) | SunEdison LLC | Phelan, CA | 3 GWh | Oct 2014 | Dec 2024 | Solar |
| Baker Creek Hydroelectric | Baker Station Associates, LP | Bridgeville, CA | 4 GWh | Oct 2014 | Dec 2024 | Water |
| Sierra Solar Greenworks | AES Distributed Energy | Lancaster, CA | 39 GWh | Oct 2015 | Dec 2024 | Solar |
| Adelanto Solar II, LLC | Adelanto Solar II, LLC | Adelanto, CA | 14 GWh | Jun 2015 | Dec 2024 | Solar |
| Adelanto Solar, LLC | Adelanto Solar, LLC | Adelanto, CA | 53 GWh | Aug 2015 | Dec 2024 | Solar |
| TA-Acacia, LLC | Onward Energy | Lancaster, CA | 52 GWh | Oct 2014 | Dec 2024 | Solar |
| Q Plant | Qualcomm Incorporated | San Diego, CA | 66 MWh | Jun 2013 | Dec 2024 | Natural Gas |
| Foundation California Training Facility | Foundation CA Fund IX Manager, LLC | Soledad, CA | 5 GWh | Jul 2018 | Dec 2024 | Wind |
| CA Dept of Public Health at Richmond | California PV Energy LLC | Richmond, CA | 4 GWh | Dec 2016 | Dec 2024 | Solar |
| E&B Resources | Terraform Arcadia | Bakersfield, CA | 2 GWh | Nov 2013 | Dec 2024 | Solar |
| Corcoran | Terraform Arcadia | Corcoran, CA | 2 GWh | Dec 2013 | Dec 2024 | Solar |
| Bayshore Solar B, LLC | AES Distributed Energy | Lancaster, CA | 45 GWh | Nov 2017 | Dec 2024 | Solar |
| Bayshore Solar C, LLC | AES Distributed Energy | Lancaster, CA | 41 GWh | Nov 2017 | Dec 2024 | Solar |
| Bayshore Solar A, LLC | AES Distributed Energy | Lancaster, CA | 46 GWh | Nov 2017 | Dec 2024 | Solar |
| Longboat Solar, LLC | Duke Energy Renewables Services | Barstow, CA | 42 GWh | Nov 2016 | Dec 2024 | Solar |
| Redwood 4 Solar Farm | 54 KR 8me LLC | Edison, CA | 40 GWh | Nov 2017 | Dec 2024 | Solar |
| Valley Center | Heelstone Energy Holdings, LLC | Valley Center, CA | 5 GWh | Nov 2016 | Dec 2024 | Solar |
| NLP Granger | Heelstone Energy Holdings, LLC | Valley Center, CA | 5 GWh | Aug 2016 | Dec 2024 | Solar |
| Solar Blythe 2 | NRG Solar Blythe II LLC | Blythe, CA | 38 GWh | Mar 2017 | Dec 2024 | Solar |
| Hat Creek 1 | Pacific Gas & Electric Co. | Burney, CA | 27 GWh | Jul 1921 | Dec 2024 | Water |
| San Joaquin Solar | GASNA 6P, LLC | Helm, CA | 25 GWh | Sep 2018 | Dec 2024 | Solar |
| El Dorado | El Dorado Irrigation District | Pollock Pines, CA | 81 GWh | Dec 1923 | Dec 2024 | Water |
| Dutch Flat | Pacific Gas & Electric Co. | Alta, CA | 27 GWh | Feb 1943 | Dec 2024 | Water |
| PVN Milliken, LLC | PVN Milliken, LLC | Ontario, CA | 5 GWh | May 2017 | Dec 2024 | Solar |
| SunAnza | Arizona Electric Pwr Coop Inc | Anza, CA | 8 GWh | Aug 2017 | Dec 2024 | Solar |
| Cloverdale Solar Center | Adapture Renewables, Inc. | Cloverdale, CA | 2 GWh | Apr 2019 | Dec 2024 | Solar |
| Drum 2 | Pacific Gas & Electric Co. | Alta, CA | 149 GWh | Nov 1965 | Dec 2024 | Water |
| Genentech Vacaville Meter #1 | Tesla Inc. | Vacaville, CA | 11 GWh | Apr 2017 | Dec 2024 | Solar |
| Solar Star California, XLIV, LLC | MN8 Energy LLC | Pearblossom, CA | 18 GWh | Nov 2016 | Dec 2024 | Solar |
| Verwey-Hanford Dairy Digester #1 | AlsoEnergy | Hanford, CA | 902 MWh | Sep 2016 | Dec 2024 | Other Biomass Gas |
| Jacumba Solar Farm | Invenergy Services LLC | Jacumba, CA | 48 GWh | Jun 2017 | Dec 2024 | Solar |
| Whitney Point Solar | Whitney Point Solar, LLC | Five Points, CA | 44 GWh | Feb 2017 | Dec 2024 | Solar |
Surrounding Balancing Authorities
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #26 | Arizona Public Service Company | 24.0 TWh | 92 |
| #54 | Arlington Valley, LLC | 3.3 TWh | 1 |
| #36 | Balancing Authority of Northern California | 14.7 TWh | 87 |
| #47 | Imperial Irrigation District | 6.4 TWh | 66 |
| #29 | Los Angeles Department of Water and Power | 18.6 TWh | 124 |
| #22 | Nevada Power Company | 37.3 TWh | 139 |
| #64 | New Harquahala Generating Company, LLC | 132.0 GWh | 1 |
| #19 | Salt River Project Agricultural Improvement and Power District | 60.1 TWh | 48 |
| #57 | Turlock Irrigation District | 2.0 TWh | 11 |
| #39 | Western Area Power Administration - Desert Southwest Region | 9.8 TWh | 33 |
Balancing Authorities with Similar Net Generation
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #3 | Electric Reliability Council of Texas, Inc. | 484.7 TWh | 1,313 |
| #5 | Southwest Power Pool | 300.6 TWh | 835 |
| #6 | Southern Company Services, Inc. - Trans | 249.9 TWh | 417 |
| #7 | California Independent System Operator | 184.8 TWh | 2,075 |
| #9 | Tennessee Valley Authority | 161.0 TWh | 204 |
| #10 | Florida Power & Light Co. | 149.6 TWh | 187 |
| #12 | New York Independent System Operator | 132.6 TWh | 1,211 |
| #13 | Duke Energy Carolinas | 111.6 TWh | 565 |
| #15 | ISO New England | 107.8 TWh | 1,577 |
| #16 | Bonneville Power Administration | 83.7 TWh | 163 |