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 |
|---|---|---|---|---|---|---|
| Scarlet II Hybrid | EDPR Scarlet II LLC | Cantua Creek, CA | 377 GWh | Nov 2024 | Oct 2025 | Solar |
| Sandrini Solar 100 | EDPR CA Solar Park II LLC | Mettler, CA | 241 GWh | Nov 2024 | Oct 2025 | Solar |
| McFarland B Solar and Storage | AES Clean Energy | Dateland, AZ | 524 GWh | Nov 2024 | Oct 2025 | Solar : 99.9% |
| Baldy Mesa 2_Silver Peak Hybrid | AES Clean Energy | Adelanto, CA | 108 GWh | Nov 2024 | Oct 2025 | Solar |
| Tipton 2 - (CA) | Pacifico Power | Tipton, CA | 83 MWh | Nov 2024 | Dec 2024 | Solar |
| Terry 1818-WD | Standard Solar | Wasco, CA | 57 MWh | Nov 2024 | Dec 2024 | Solar |
| Tipton 1 - (CA) | Pacifico Power | Tipton, CA | 167 MWh | Nov 2024 | Dec 2024 | Solar |
| Kern Del Oro | REC KDO, LLC | Bakersfield, CA | 4 MWh | Nov 2024 | Dec 2024 | Solar |
| Sandrini Solar 200 | EDPR CA Solar Park LLC | Mettler, CA | 424 GWh | Nov 2024 | Oct 2025 | Solar |
| Desert Quartzite | Desert Quartzite LLC | Blythe, CA | 820 GWh | Nov 2024 | Oct 2025 | Solar |
| Nachtigall 1836-WD | Standard Solar | Wasco, CA | 8 MWh | Nov 2024 | Dec 2024 | Solar |
| Kern Sunset 1886-WD | Standard Solar | Bakersfield, CA | 270 MWh | Oct 2024 | Dec 2024 | Solar |
| West Tambo Clean Power II | West Tambo Clean Power II | Livingston, CA | 877 MWh | Oct 2024 | Dec 2024 | Solar |
| Highway 43 1887-WD | Standard Solar | Shafter, CA | 270 MWh | Oct 2024 | Dec 2024 | Solar |
| Avenue 26 Solar | RPCA Solar 1, LLC | Chowchilla, CA | 4 GWh | Oct 2024 | Dec 2024 | Solar |
| White Wing Solar | Leeward Asset Management, LLC | Yuma, AZ | 460 GWh | Sep 2024 | Oct 2025 | Solar |
| Tulare CSG LLC | Dimension Energy LLC | Tulare, CA | 375 MWh | Sep 2024 | Dec 2024 | Solar |
| Pivot Energy PPA 22 | Pivot Energy | Visalia, CA | 68 MWh | Sep 2024 | Dec 2024 | Solar |
| CA Manteca 730 Spreckels Ave | Catalyze Manteca 730 Spreckels Avenue Microgrid LLC | Manteca, CA | 323 MWh | Aug 2024 | Dec 2024 | Solar |
| Blue Moon Farms | Bravo REC Management LLC | Tipton, CA | 683 MWh | Jul 2024 | Dec 2024 | Solar |
| Camp San Luis Obispo | Ecoplexus, Inc | San Luis Obispo, CA | 158 MWh | Jul 2024 | Nov 2024 | Solar |
| CA- US Foods- Livermore | EDPRNA DG CA Livermore LLC | Livermore, CA | 636 MWh | Jul 2024 | Dec 2024 | Solar |
| IGS OXR1 | Greenbacker Renewable Energy Corporation | Oxnard, CA | 2 GWh | Jul 2024 | Dec 2024 | Solar |
| TWC | Bravo REC Management LLC | Tulare, CA | 918 MWh | Jul 2024 | Dec 2024 | Solar |
| Dixie Creek Dairy Solar | Bravo REC Management LLC | Hanford, CA | 3 GWh | Jun 2024 | Dec 2024 | Solar |
| IPC 25 Solar | Prologis Logistics Services Incorporated | Tracy, CA | 3 GWh | Jun 2024 | Dec 2024 | Solar |
| Open Sky Dairy | Renewable Solar, Inc | Riverdale, CA | 2 GWh | Jun 2024 | Dec 2024 | Solar |
| Open Sky Ranch Inc | Bravo REC Management LLC | Riverdale, CA | 2 GWh | Jun 2024 | Dec 2024 | Solar |
| North Kern 2 | Madison Energy Investments LLC | City of Shafter, CA | 2 GWh | Jun 2024 | Dec 2024 | Solar |
| Paulsell | Crow Creek Solar, LLC | Crows Landing, CA | 47 GWh | May 2024 | Oct 2025 | Solar |
| Mesa Wind Repower | Mesa Wind Repower | Whitewater, CA | 124 GWh | May 2024 | Oct 2025 | Wind |
| River Ranch Dairy | Renewable Solar, Inc | Hanford, CA | 7 GWh | May 2024 | Dec 2024 | Solar |
| Scarlet Solar (CA) | EDP Renewables North America LLC | Fresno, CA | 500 GWh | May 2024 | Oct 2025 | Solar |
| Fresno Community Solar | Fresno Community Solar Developers, LLC | Fresno, CA | 15 GWh | May 2024 | Dec 2024 | Solar |
| Costa View Farms | 127 CVF, LLC | Madera, CA | 5 GWh | May 2024 | Dec 2024 | Solar |
| Zonneveld Oak Grove | Renewable Solar, Inc | Laton, CA | 3 GWh | May 2024 | Dec 2024 | Solar |
| Baldy Mesa Solar & Storage | AES Clean Energy | Adelanto, CA | 287 GWh | Apr 2024 | Oct 2025 | Solar |
| Raceway Solar & Storage | AES Clean Energy | Lancaster, CA | 373 GWh | Apr 2024 | Oct 2025 | Solar |
| Sutter Home Winery TCC | REC SHW, LLC | Paso Robles, CA | 1 GWh | Apr 2024 | Dec 2024 | Solar |
| Amazon SAN3 Solar Project | Solar Star Prime 4 LLC | San Diego, CA | 6 GWh | Apr 2024 | Dec 2024 | Solar |
| Tejon Castac Water District Solar | CTMW Solar, LLC | Arvin, CA | 3 GWh | Apr 2024 | Dec 2024 | Solar |
| Proxima | Proxima Solar, LLC | Crows Landing, CA | 469 GWh | Mar 2024 | Oct 2025 | Solar |
| CA-DGS-California Correctional Inst | Forefront Power, LLC | Tehachapi, CA | 7 GWh | Mar 2024 | Dec 2024 | Solar |
| Google Bayhill Solar PV and Microgrid | Google, Inc. | San Bruno, CA | 1 GWh | Mar 2024 | Dec 2024 | Solar |
| CA Jurupa Valley 3251 De Forest Circle | Catalyze Mira Loma 3251 De Forest Circle Microgrid LLC | Jurupa Valley, CA | 5 GWh | Mar 2024 | Dec 2024 | Solar |
| Grossmont-Cuyamaca-Cuyamaca Col. Solar & | Forefront Power, LLC | El Cajon, CA | 3 GWh | Feb 2024 | Dec 2024 | Solar |
| Harris Farms Solar Facility | Harris Farms Inc | Coalinga, CA | 3 GWh | Feb 2024 | Dec 2024 | Solar |
| Arica Solar | Arica Solar, LLC | Desert Center, CA | 776 GWh | Feb 2024 | Oct 2025 | Solar |
| Victory Pass | Victory Pass I, LLC | Desert Center, CA | 610 GWh | Feb 2024 | Oct 2025 | Solar |
| Visalia CSG LLC | Dimension Energy LLC | Tulare, CA | 6 GWh | Feb 2024 | Dec 2024 | Solar |
| CA-DGS- RFP-Correctional Training Fac | Forefront Power, LLC | Soledad, CA | 3 GWh | Feb 2024 | Dec 2024 | Solar |
| CA-DGS RFP-Pleasant Valley State Prison | Forefront Power, LLC | Coalinga, CA | 4 GWh | Dec 2023 | Dec 2024 | Solar |
| Amazon Bakersfield 1 Solar Project | Solar Star Prime 3, LLC | Bakersfiled, CA | 8 GWh | Dec 2023 | Dec 2024 | Solar |
| Paso Robles - Municipal Airport | Onyx Asset Services Group | Paso Robles, CA | 6 GWh | Dec 2023 | Dec 2024 | Solar |
| CA - DGS RFP - RJ Donovan State Prison | Forefront Power, LLC | San Diego, CA | 5 GWh | Dec 2023 | Dec 2024 | Solar |
| Mesquite Solar 4, LLC | Consolidated Edison Development Inc. | Tonopah, AZ | 147 GWh | Dec 2023 | Oct 2025 | Solar |
| Chestnut | Castanea Project LLC | Lemoore, CA | 393 GWh | Nov 2023 | Oct 2025 | Solar |
| Strauss Wind Farm | Strauss Wind LLC | Lompoc, CA | 233 GWh | Nov 2023 | Oct 2025 | Wind |
| Cabrillo College | Forefront Power, LLC | Aptos, CA | 4 GWh | Nov 2023 | Dec 2024 | Solar |
| SEPV Cuyama Hybrid | SEPV Cuyama, LLC | New Cuyama, CA | 3 GWh | Nov 2023 | Dec 2024 | Solar |
| Estrella Solar & Storage | AES Clean Energy | Lancaster, CA | 154 GWh | Nov 2023 | Oct 2025 | Solar |
| North Kern 3 | Madison Energy Investments LLC | Bakersfield, CA | 6 MWh | Nov 2023 | Dec 2024 | Solar |
| Solar Blue | Westlands Solar Blue (OZ) Owner, LLC | Lemoore, CA | 667 GWh | Nov 2023 | Oct 2025 | Solar |
| McFarland A Solar and Storage | AES Clean Energy | Dateland, AZ | 532 GWh | Nov 2023 | Oct 2025 | Solar |
| Daggett 2 | Daggett Solar Power 2 LLC | Daggett, CA | 526 GWh | Nov 2023 | Oct 2025 | Solar |
| Crystal Farms Local Solar | Crystal Farms Local Solar, LLC | San Joaquin, CA | 10 GWh | Oct 2023 | Dec 2024 | Solar |
| CA-DGS RFP-Salinas Valley State Prison | Forefront Power, LLC | Soledad, CA | 7 GWh | Oct 2023 | Dec 2024 | Solar |
| Double J Dairy Array | Bravo REC Management LLC | Visalia, CA | 9 GWh | Oct 2023 | Dec 2024 | Solar |
| Wheeler Ridge 2 | Madison Energy Investments LLC | Arvin, CA | 913 MWh | Oct 2023 | Dec 2024 | Solar |
| Toyota Long Beach Trigen | Long Beach Trigen, LLC | Long Beach, CA | 17 GWh | Oct 2023 | Dec 2024 | Other Biomass Gas |
| Sunny Cow Solar, LLC | Sunny Cow Solar, LLC | Bakersfield, CA | 5 GWh | Sep 2023 | Dec 2024 | Solar |
| Cawelo Water District Solar | Scooby Solar, LLC | Famoso, CA | 7 GWh | Sep 2023 | Dec 2024 | Solar |
| Case Vander Eyk, Jr Dairy Solar | Bravo REC Management LLC | Pixley, CA | 2 GWh | Sep 2023 | Dec 2024 | Solar |
| Fifth Standard Solar PV, LLC (Hybrid) | Big Sky Wind, LLC | Huron, CA | 324 GWh | Aug 2023 | Oct 2025 | Solar |
| Almond | Westlands Almond LLC | Lemoore, CA | 39 GWh | Aug 2023 | Dec 2024 | Solar |
| Kern Valley SP | Ecoplexus, Inc | Delano, CA | 8 GWh | Aug 2023 | Dec 2024 | Solar |
| Oberon Solar Project | IP Oberon LLC | Desert Center, CA | 585 GWh | Aug 2023 | Oct 2025 | Solar |
| Wheeler Ridge | AFTW Holdings, LLC | Bakersfield, CA | 12 GWh | Aug 2023 | Dec 2024 | Solar |
| Mountain View Ind Park 1-sline001 | Prologis Logistics Services Incorporated | Fontana, CA | 1 GWh | Aug 2023 | Dec 2024 | Solar |
| Oberon II Solar Project | IP Oberon II, LLC | Desert Center, CA | 599 GWh | Aug 2023 | Oct 2025 | Solar |
| CA - Madera USD - Madera South HS | Forefront Power, LLC | Madera, CA | 2 GWh | Aug 2023 | Dec 2024 | Solar |
| Ocotillo Wells | Conductive Power | Borrego Springs, CA | 108 GWh | Aug 2023 | Oct 2025 | Solar |
| Sutter Home Winery GIR | Westbound Solar 3, LLC | American Canyon, CA | 2 GWh | Jul 2023 | Dec 2024 | Solar |
| Sheep Creek Community Solar Farm | Phelan Solar LLC | El Mirage, CA | 6 GWh | Jul 2023 | Dec 2024 | Solar |
| BCE Los Alamitos 2 | Bright Canyon Energy | Los Alamitos, CA | 3 GWh | Jul 2023 | Dec 2023 | Solar |
| Resurgence Solar | Resurgence Solar | Boron, CA | 255 GWh | Jul 2023 | Oct 2025 | Solar |
| Resurgence Solar II | Resurgence Solar II | Boron, CA | 136 GWh | Jul 2023 | Oct 2025 | Solar |
| BCE Los Alamitos 1 | Bright Canyon Energy | Los Alamitos, CA | 19 GWh | Jul 2023 | Dec 2024 | Solar |
| CA - Ventura Co CCD - Moorpark College | Forefront Power, LLC | Moorpark, CA | 5 GWh | Jul 2023 | Dec 2024 | Solar |
| Lockhart Solar PV II | Terra-Gen Operating Co-Solar | Hinkley, CA | 207 GWh | Jun 2023 | Oct 2025 | Solar |
| Daggett 3 | Daggett Solar Power 3 LLC | Daggett, CA | 876 GWh | Jun 2023 | Oct 2025 | Solar |
| Berrenda Mesa Water District | The Greater Light USA LLC | Lost Hills, CA | 16 GWh | Jun 2023 | Dec 2024 | Solar |
| North Kern 1 | Madison Energy Investments LLC | Shafter, CA | 4 GWh | May 2023 | Dec 2024 | Solar |
| RE Gaskell West 3 LLC | RE Gaskell West LLC | Rosamond, CA | 49 GWh | Apr 2023 | Dec 2024 | Solar |
| RE Gaskell West 5 LLC | RE Gaskell West LLC | Rosamond, CA | 49 GWh | Apr 2023 | Dec 2024 | Solar |
| CA-DGS-California Men's Colony | Forefront Power, LLC | San Luis Obispo, CA | 5 GWh | Apr 2023 | Dec 2024 | Solar |
| RE Gaskell West 4 LLC | RE Gaskell West LLC | Rosamond, CA | 50 GWh | Apr 2023 | Dec 2024 | Solar |
| City of Rosamond (CA) | Standard Solar | Rosamond, CA | 3 GWh | Apr 2023 | Dec 2024 | Solar |
| RE Gaskell West 2 LLC | RE Gaskell West LLC | Rosamond, CA | 119 GWh | Apr 2023 | Oct 2025 | Solar |
| Trona Solar III | Trona Solar III LLC | Trona, CA | 5 GWh | Mar 2023 | 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 |