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
| Plant Name | Utility | Location | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|
| Beringer | SunStrong Management, LLC | Saint Helena, CA | 2 GWh | Dec 2008 | Dec 2025 | Solar |
| Valley Center 1 | MN8 Energy LLC | Valley Center, CA | 4 GWh | Nov 2013 | Dec 2025 | Solar |
| Valley Center 2 | MN8 Energy LLC | Valley Center, CA | 8 GWh | Nov 2013 | Dec 2025 | Solar |
| HL Solar (Lassen) | Madison Energy Investments LLC | Wendel, CA | 12 GWh | May 2019 | Dec 2025 | Solar |
| Foundation Dole Fresh Vegetables | Foundation CA Fund X Manager LLC | Soledad, CA | 18 GWh | Jul 2022 | Dec 2025 | Wind |
| Ramona 1 | MN8 Energy LLC | Ramona, CA | 3 GWh | Nov 2013 | Dec 2025 | Solar |
| Ramona 2 | MN8 Energy LLC | Ramona, CA | 9 GWh | Nov 2013 | Dec 2025 | Solar |
| Santa Fe Springs Rooftop Solar BLDG M | Golden Springs Development Company LLC | Santa Fe Springs, CA | 3 GWh | Feb 2015 | Dec 2025 | Solar |
| Santa Fe Springs Rooftop Solar BLDG H | Golden Springs Development Company LLC | Santa Fe Springs, CA | 2 GWh | Feb 2015 | Dec 2025 | Solar |
| MCAGCC Cogen Plant | DOD USMC Marine Air Ground Combat | Twentynine Palms, CA | 68 GWh | Jan 2003 | Dec 2025 | Natural Gas |
| 2081 Terzian Solar Project | Solarenewal LLC | Reedley, CA | 1 GWh | Jan 2014 | Dec 2025 | Solar |
| 2127 Harris Solar Project | Solarenewal LLC | Live Oak, CA | 885 MWh | Mar 2014 | Dec 2025 | Solar |
| 2097 Helton Solar Project | Solarenewal LLC | Merced, CA | 1 GWh | Mar 2014 | Dec 2025 | Solar |
| SFDK Solar | AES Distributed Energy | Vallejo, CA | 10 GWh | Nov 2019 | Dec 2025 | Solar |
| PFMG Solar Grossmont Helix LLC | Altus Power America Management, LLC | La Mesa, CA | 2 GWh | Apr 2018 | Dec 2025 | Solar |
| Cloverdale Solar I | Altus Power America Management, LLC | Cloverdale, CA | 1 GWh | May 2014 | Dec 2025 | Solar |
| Laguna Water Reclamation Facility | City of Santa Rosa - (CA) | Santa Rosa, CA | 9 GWh | Feb 2013 | Dec 2025 | Other Biomass Gas : 83.6% Natural Gas : 16.4% |
| Las Virgenes Municipal Water District | Tesla Inc. | Calabasas, CA | 1 GWh | Jan 2014 | Dec 2025 | Solar |
| White River Solar 2 | RWE Clean Energy | Alpaugh, CA | 49 GWh | Aug 2014 | Dec 2025 | Solar |
| Henrietta Solar Project | Southern Power Co | Lemoore, CA | 170 GWh | Jul 2016 | Dec 2025 | Solar |
| RE Camelot LLC | Onward Energy | Mojave, CA | 121 GWh | Nov 2014 | Dec 2025 | Solar |
| RE Adams East, LLC | Onward Energy | Fresno, CA | 41 GWh | Nov 2014 | Dec 2025 | Solar |
| Preferred Freezer San Leandro | Pacific Gas & Electric Co. | San Leandro, CA | 3 GWh | Jun 2017 | Dec 2025 | Solar |
| RE Kansas Solar, LLC | Onward Energy | Lemoore, CA | 24 GWh | Nov 2014 | Dec 2025 | Solar |
| RE Old River One, LLC | Onward Energy | Bakersfield, CA | 38 GWh | Nov 2014 | Dec 2025 | Solar |
| RE Columbia Two, LLC | Onward Energy | Mojave, CA | 41 GWh | Nov 2014 | Dec 2025 | Solar |
| RE Kent South, LLC | Onward Energy | Lemoore, CA | 36 GWh | Nov 2014 | Dec 2025 | Solar |
| Woodmere Solar Farm | AES Distributed Energy | Edison, CA | 29 GWh | Nov 2015 | Dec 2025 | Solar |
| FLEX Gibraltar | Bloom Energy | Milpitas, CA | 8 GWh | Jan 2017 | Dec 2025 | Natural Gas |
| ATT Kelvin | Bloom Energy | Irvine, CA | 8 GWh | Mar 2017 | Dec 2025 | Natural Gas |
| Hayworth Solar | AES Distributed Energy | Edison, CA | 47 GWh | Nov 2015 | Dec 2025 | Solar |
| Cottonwood Solar, LLC (Goose Lake) | Onward Energy | Lost Hills, CA | 30 GWh | Apr 2015 | Dec 2025 | Solar |
| Almond | Westlands Almond LLC | Lemoore, CA | 49 GWh | Aug 2023 | Dec 2025 | Solar |
| Cottonwood Solar, LLC (City of Corcoran) | Onward Energy | Corcoran, CA | 21 GWh | Apr 2015 | Dec 2025 | Solar |
| Division 1 | Tesla Inc. | Lancaster, CA | 2 GWh | May 2014 | Dec 2025 | Solar |
| Division 2 | Tesla Inc. | Lancaster, CA | 2 GWh | May 2014 | Dec 2025 | Solar |
| Division 3 | Tesla Inc. | Lancaster, CA | 1 GWh | May 2014 | Dec 2025 | Solar |
| Enerparc CA1 LLC | CleanCapital Holdings | Hollister, CA | 3 GWh | May 2014 | Dec 2025 | Solar |
| CSD 2- Freedom High | CleanCapital Holdings | Oakley, CA | 1 GWh | Jul 2013 | Dec 2025 | Solar |
| CSD 2 - Heritage High | CleanCapital Holdings | Brentwood, CA | 2 GWh | Aug 2013 | Dec 2025 | Solar |
| EAFB - North Base | CleanCapital Holdings | Edwards Air Force Bas, CA | 3 GWh | Jan 2012 | Dec 2025 | Solar |
| EAFB - South Base | CleanCapital Holdings | Edwards Air Force Bas, CA | 2 GWh | Jan 2012 | Dec 2025 | Solar |
| SDCCD - Miramar | CleanCapital Holdings | San Diego, CA | 1 GWh | Jan 2011 | Dec 2025 | Solar |
| SDCWA - Twin Oaks | CleanCapital Holdings | San Marcos, CA | 2 GWh | Apr 2011 | Dec 2025 | Solar |
| Little Bear 3 | Little Bear Solar 3, LLC (Longroad) | Mendota, CA | 20 GWh | Nov 2020 | Dec 2025 | Solar |
| Micro Santa Clara | Bloom Energy | San Jose, CA | 25 GWh | Jun 2018 | Dec 2025 | Natural Gas |
| RE Mustang LLC | MN8 Energy LLC | Lemoore, CA | 221 GWh | Jul 2016 | Dec 2025 | Solar |
| Lancaster Solar 1 | Boralex US Operations LLC | Lancaster, CA | 2 GWh | Oct 2014 | Dec 2025 | Solar |
| Lancaster Solar 2 | Boralex US Operations LLC | Lancaster, CA | 2 GWh | Oct 2014 | Dec 2025 | Solar |
| Hesperia | SunEdison LLC | Hesperia, CA | 3 GWh | Jul 2014 | Dec 2025 | Solar |
| CID Solar, LLC | Onward Energy | Corcoran, CA | 41 GWh | Nov 2014 | Dec 2025 | Solar |
| Farmersville | Arevon Energy, Inc. | Farmersville, CA | 6 GWh | Jun 2014 | Dec 2025 | Solar |
| Porterville 6 and 7 | Arevon Energy, Inc. | Porterville, CA | 4 GWh | Jun 2014 | Dec 2025 | Solar |
| Rising Tree Wind Farm II | Rising Tree Wind Farm II LLC | Mojave, CA | 54 GWh | Dec 2014 | Dec 2025 | Wind |
| Rising Tree Wind Farm III | Rising Tree Wind Farm III LLC | Mojave, CA | 260 GWh | May 2015 | Dec 2025 | Wind |
| Lone Valley Solar Park II LLC | Lone Valley Solar Park II LLC | Lucerne Valley, CA | 53 GWh | Nov 2014 | Dec 2025 | Solar |
| Rio Bravo Solar 1 LLC | Deriva Energy | McKittrick, CA | 52 GWh | Nov 2016 | Dec 2025 | Solar |
| Rio Bravo Solar II LLC | Deriva Energy | McKittrick, CA | 52 GWh | Nov 2016 | Dec 2025 | Solar |
| Wildwood Solar II | Deriva Energy | Wasco, CA | 39 GWh | Dec 2016 | Dec 2025 | Solar |
| Lancaster Little Rock | AES Distributed Energy | Landers, CA | 3 GWh | Nov 2014 | Dec 2025 | Solar |
| Merced Solar LLC | Ecos Energy LLC | Merced, CA | 4 GWh | Nov 2014 | Dec 2025 | Solar |
| Mission Solar LLC | Ecos Energy LLC | Merced, CA | 4 GWh | Nov 2014 | Dec 2025 | Solar |
| Hollister Solar LLC | Ecos Energy LLC | Hollister, CA | 4 GWh | Nov 2014 | Dec 2025 | Solar |
| Victor Mesa Linda B2 | AES Distributed Energy | Victorville, CA | 4 GWh | Oct 2014 | Dec 2025 | Solar |
| Victor Mesa Linda C2 | 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 |
| SEPV Palmdale East | AES Distributed Energy | Palmdale, CA | 24 GWh | Jul 2015 | Dec 2025 | Solar |
| Life Technologies - Pleasanton | Bloom Energy | Pleasanton, CA | 8 GWh | Feb 2013 | Dec 2025 | Natural Gas |
| Kellogg's - San Jose | Bloom Energy | San Jose, CA | 9 GWh | Aug 2013 | Dec 2025 | Natural Gas |
| Ratkovich Alhambra | Bloom Energy | Alhambra, CA | 7 GWh | Nov 2018 | Dec 2025 | Natural Gas |
| Verwey-Hanford Dairy Digester #3 | Hanford Renewable Energy LLC | Hanford, CA | 6 GWh | Jun 2019 | Dec 2025 | Other Biomass Gas |
| California PV Energy at ISD WWTP | California PV Energy LLC | Oakley, CA | 2 GWh | Jul 2014 | Dec 2025 | Solar |
| Waste Mangement Redwood LFGTE | WM Renewable Energy LLC | Novato, CA | 22 GWh | Apr 2017 | Dec 2025 | Landfill Gas |
| Hanford 1 and 2 | Arevon Energy, Inc. | Hanford, CA | 5 GWh | Jul 2014 | Dec 2025 | Solar |
| Pumpjack Solar I | Deriva Energy | McKittrick, CA | 51 GWh | Dec 2014 | Dec 2025 | Solar |
| Verwey-Hanford Dairy Digester #2 | Hanford Renewable Energy LLC | Hanford, CA | 6 GWh | Jun 2019 | Dec 2025 | Other Biomass Gas |
| Antelope Expansion 1B | AES Distributed Energy | Lancaster, CA | 47 GWh | Oct 2022 | Dec 2025 | Solar |
| North Lancaster Ranch | AES Distributed Energy | Lancaster, CA | 39 GWh | Nov 2016 | Dec 2025 | Solar |
| SunAnza | Arizona Electric Pwr Coop Inc | Anza, CA | 8 GWh | Aug 2017 | Dec 2025 | Solar |
| PVN Milliken, LLC | PVN Milliken, LLC | Ontario, CA | 5 GWh | May 2017 | Dec 2025 | Solar |
| Genentech Vacaville Meter #1 | Tesla Inc. | Vacaville, CA | 12 GWh | Apr 2017 | Dec 2025 | Solar |
| Solar Star California, XLIV, LLC | MN8 Energy LLC | Pearblossom, CA | 23 GWh | Nov 2016 | Dec 2025 | Solar |
| Verwey-Hanford Dairy Digester #1 | AlsoEnergy | Hanford, CA | 3 GWh | Sep 2016 | Dec 2025 | Other Biomass Gas |
| Jacumba Solar Farm | Invenergy Services LLC | Jacumba, CA | 46 GWh | Jun 2017 | Dec 2025 | Solar |
| Whitney Point Solar | Whitney Point Solar, LLC | Five Points, CA | 54 GWh | Feb 2017 | Dec 2025 | Solar |
| CSUF State College | MN8 Energy LLC | Fullerton, CA | 2 GWh | Nov 2016 | Dec 2025 | Solar |
| San Joaquin Solar | GASNA 6P, LLC | San Joaquin, CA | 22 GWh | Apr 2018 | Dec 2025 | Solar |
| CSUF Nutwood Solar | MN8 Energy LLC | Fullerton, CA | 3 GWh | Nov 2016 | Dec 2025 | Solar |
| NextEra Westside PV | Westside Solar, LLC | Five Points, CA | 26 GWh | Feb 2017 | Dec 2025 | Solar |
| Lindberg Field Solar 2 | Lindberg Field Solar 2, LLC | San Diego, CA | 2 GWh | Jan 2017 | Dec 2025 | Solar |
| Solar Blythe 2 | NRG Solar Blythe II LLC | Blythe, CA | 41 GWh | Mar 2017 | Dec 2025 | Solar |
| Ramona Solar Energy | San Diego Gas & Electric Co | Ramona, CA | 2 GWh | Mar 2017 | 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 |
| Redwood 4 Solar Farm | 54 KR 8me LLC | Edison, CA | 19 GWh | Nov 2017 | Dec 2025 | Solar |
| SCDA Solar 1 | SCDA Solar 1, LLC | Sacramento, CA | 14 GWh | Sep 2017 | Dec 2025 | Solar |
| Marin Clean Energy Solar One | AES Distributed Energy | Richmond, CA | 21 GWh | Nov 2017 | Dec 2025 | Solar |
| Longboat Solar, LLC | Deriva Energy | Barstow, CA | 54 GWh | Nov 2016 | Dec 2025 | Solar |
| Bayshore Solar A, LLC | AES Distributed Energy | Lancaster, CA | 44 GWh | Nov 2017 | Dec 2025 | Solar |
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 |