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 | Jul 2026 |
| Annual Generation | 169.4 TWh |
| Power Plants | 2,135 |
| Utilities | 988 |
| Ranked #7 out of 64 in terms of net annual generation | |
| Ranked #12 out of 53 in terms of annual generation from natural gas | |
| Power Plant Types | Natural Gas | 34% Solar | 30% Water | 12.4% Wind | 11.3% Nuclear | 11% |
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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 |
|---|---|---|---|---|---|---|
| Victory Pass | Victory Pass I, LLC | Desert Center, CA | 569 GWh | Feb 2024 | May 2026 | Solar |
| Arica Solar | Arica Solar, LLC | Desert Center, CA | 740 GWh | Feb 2024 | May 2026 | Solar |
| Grossmont-Cuyamaca-Cuyamaca Col. Solar & | Forefront Power, LLC | El Cajon, CA | 3 GWh | Feb 2024 | Dec 2024 | Solar |
| Visalia CSG LLC | Dimension Energy LLC | Tulare, CA | 8 GWh | Feb 2024 | Dec 2025 | Solar |
| Harris Farms Solar Facility | Harris Farms Inc | Coalinga, CA | 3 GWh | Feb 2024 | Dec 2025 | Solar |
| CA-DGS-California Correctional Inst | Forefront Power, LLC | Tehachapi, CA | 7 GWh | Mar 2024 | Dec 2024 | Solar |
| Proxima | Proxima Solar, LLC | Crows Landing, CA | 465 GWh | Mar 2024 | May 2026 | Solar |
| CA Jurupa Valley 3251 De Forest Circle | Catalyze Mira Loma 3251 De Forest Circle Microgrid LLC | Jurupa Valley, CA | 8 GWh | Mar 2024 | Dec 2025 | Solar |
| Google Bayhill Solar PV and Microgrid | Google, Inc. | San Bruno, CA | 651 MWh | Mar 2024 | Dec 2025 | Solar |
| Baldy Mesa Solar & Storage | AES Clean Energy | Adelanto, CA | 313 GWh | Apr 2024 | May 2026 | Solar |
| Raceway Solar & Storage | AES Clean Energy | Lancaster, CA | 362 GWh | Apr 2024 | May 2026 | 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 |
| Sutter Home Winery TCC | REC SHW, LLC | Paso Robles, CA | 2 GWh | Apr 2024 | Dec 2025 | Solar |
| Scarlet Solar (CA) | EDP Renewables North America LLC | Fresno, CA | 483 GWh | May 2024 | May 2026 | Solar |
| Fresno Community Solar | Agilitas Energy, Inc. | Fresno, CA | 17 GWh | May 2024 | Dec 2025 | Solar |
| Paulsell | Crow Creek Solar, LLC | Crows Landing, CA | 47 GWh | May 2024 | May 2026 | Solar |
| Mesa Wind Repower | Mesa Wind Repower | Whitewater, CA | 80 GWh | May 2024 | Dec 2024 | Wind |
| Zonneveld Oak Grove | Renewable Solar, Inc | Laton, CA | 388 MWh | May 2024 | Dec 2025 | Solar |
| River Ranch Dairy | Renewable Solar, Inc | Hanford, CA | 995 MWh | May 2024 | Dec 2025 | Solar |
| Costa View Farms | 127 CVF, LLC | Madera, CA | 5 GWh | May 2024 | Dec 2024 | Solar |
| IPC 25 Solar | Prologis Logistics Services Incorporated | Tracy, CA | 5 GWh | Jun 2024 | Dec 2025 | Solar |
| Open Sky Ranch Inc | Bravo REC Management LLC | Riverdale, CA | 4 GWh | Jun 2024 | Dec 2025 | Solar |
| Dixie Creek Dairy Solar | Bravo REC Management LLC | Hanford, CA | 6 GWh | Jun 2024 | Dec 2025 | Solar |
| North Kern 2 | Madison Energy Investments LLC | City of Shafter, CA | 6 GWh | Jun 2024 | Dec 2025 | Solar |
| Open Sky Dairy | Renewable Solar, Inc | Riverdale, CA | 419 MWh | Jun 2024 | Dec 2025 | Solar |
| Camp San Luis Obispo | Ecoplexus, Inc | San Luis Obispo, CA | 2 GWh | Jul 2024 | Dec 2025 | Solar |
| IGS OXR1 | Greenbacker Renewable Energy Corporation | Oxnard, CA | 9 GWh | Jul 2024 | Dec 2025 | Solar |
| TWC | Bravo REC Management LLC | Tulare, CA | 2 GWh | Jul 2024 | Dec 2025 | Solar |
| CA- US Foods- Livermore | EDPRNA DG CA Livermore LLC | Livermore, CA | 2 GWh | Jul 2024 | Dec 2025 | Solar |
| Blue Moon Farms | Bravo REC Management LLC | Tipton, CA | 2 GWh | Jul 2024 | Dec 2025 | Solar |
| CA Manteca 730 Spreckels Ave | Catalyze Manteca 730 Spreckels Avenue Microgrid LLC | Manteca, CA | 100 MWh | Aug 2024 | Dec 2025 | Solar |
| Avalon Dairy | Renewable Solar, Inc | Wasco, CA | 792 MWh | Aug 2024 | Dec 2025 | Solar |
| Superior Almond Hulling | Renewable Solar, Inc | Cantua Creek, CA | 472 MWh | Aug 2024 | Dec 2025 | Solar |
| Waterman Turnout Hydroelectric | San Bernardino Valley Mun. Water Dist. | San Bernardino, CA | 2 GWh | Aug 2024 | Dec 2025 | Water |
| White Wing Solar | Leeward Asset Management, LLC | Yuma, AZ | 456 GWh | Sep 2024 | May 2026 | Solar |
| Tulare CSG LLC | Dimension Energy LLC | Tulare, CA | 6 GWh | Sep 2024 | Dec 2025 | Solar |
| Pivot Energy PPA 22 | Pivot Energy | Visalia, CA | 2 GWh | Sep 2024 | Dec 2025 | Solar |
| West Tambo Clean Power II | West Tambo Clean Power II | Livingston, CA | 4 GWh | Oct 2024 | Dec 2025 | Solar |
| Enchanted Rock Lodi | Enchanted Rock | Lodi, CA | 5 GWh | Oct 2024 | Dec 2025 | Natural Gas |
| Bishop Ranch - BR 8-P | Distributed Solar Development, LLC | San Ramon, CA | 1 GWh | Oct 2024 | Dec 2025 | Solar |
| Avenue 26 Solar | RPCA Solar 1, LLC | Chowchilla, CA | 13 GWh | Oct 2024 | Dec 2025 | Solar |
| Highway 43 1887-WD | Standard Solar | Shafter, CA | 3 GWh | Oct 2024 | Dec 2025 | Solar |
| Kern Sunset 1886-WD | Standard Solar | Bakersfield, CA | 5 GWh | Oct 2024 | Dec 2025 | Solar |
| Sandrini Solar 200 | EDPR CA Solar Park LLC | Mettler, CA | 445 GWh | Nov 2024 | May 2026 | Solar |
| Sandrini Solar 100 | EDPR CA Solar Park II LLC | Mettler, CA | 254 GWh | Nov 2024 | May 2026 | Solar |
| McFarland B Solar and Storage | AES Clean Energy | Dateland, AZ | 749 GWh | Nov 2024 | May 2026 | Solar |
| Kings CSG 3 LLC Community Solar | Dimension Energy LLC | Lemoore, CA | 7 GWh | Nov 2024 | Dec 2025 | Solar |
| Baldy Mesa 2_Silver Peak Hybrid | AES Clean Energy | Adelanto, CA | 119 GWh | Nov 2024 | May 2026 | Solar |
| Scarlet II Hybrid | EDPR Scarlet II LLC | Cantua Creek, CA | 387 GWh | Nov 2024 | May 2026 | Solar |
| RB Inyokern Solar WDAT 1203 (CSG) | Dimension Energy LLC | Ridgecrest, CA | 58 GWh | Nov 2024 | Dec 2025 | Solar |
| RB Inyokern Solar WDAT 1281 (CSG) | Dimension Energy LLC | Ridgecrest, CA | 34 GWh | Nov 2024 | 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 |
| City of Atwater NEM | SoCore Energy LLC | Atwater, CA | 2 GWh | Nov 2024 | Dec 2025 | Solar |
| Tipton 1 - (CA) | CleanCapital Holdings | Tipton, CA | 167 MWh | Nov 2024 | Dec 2024 | Solar |
| Tipton 2 - (CA) | CleanCapital Holdings | Tipton, CA | 3 GWh | Nov 2024 | Dec 2025 | Solar |
| Kern Del Oro | REC KDO, LLC | Bakersfield, CA | 2 GWh | Nov 2024 | Dec 2025 | Solar |
| KP Ontario Vineyard Solar | KP Ontario Vineyard O.P. Surgicenter B Solar LLC | Ontario, CA | 3 GWh | Nov 2024 | Dec 2025 | Solar |
| Desert Quartzite | Desert Quartzite LLC | Blythe, CA | 855 GWh | Nov 2024 | May 2026 | Solar |
| Central San | REC CSD, LLC | Martinez, CA | 3 GWh | Dec 2024 | Dec 2025 | Solar |
| Rexford Solar Farm | AES Clean Energy | Ducor, CA | 708 GWh | Jan 2025 | May 2026 | Solar |
| East Cleveland Road Solar | RPCA Solar 7, LLC | El Nido, CA | 6 GWh | Jan 2025 | Dec 2025 | Solar |
| AM Wind Repower | AM Wind Repower LLC | Whitewater, CA | 76 GWh | Feb 2025 | May 2026 | Wind |
| Bishop Ranch - BR 15-DD | Alcosta Boulevard BR 15-DD Solar Project 2020, LLC | San Ramon, CA | 62 MWh | Feb 2025 | May 2025 | Solar |
| Dos Palos Clean Power | Dos Palos Clean Power LLC | Dos Palos, CA | 6 GWh | Feb 2025 | Dec 2025 | Solar |
| Community Solar Utica 1, LLC | AETS OpCo Holdings LLC | Kettleman, CA | 2 GWh | Feb 2025 | Dec 2025 | Solar |
| Camino Solar Hybrid | Avangrid Power LLC | Rosamond, CA | 133 GWh | Mar 2025 | May 2026 | Solar |
| Chaparral Springs | Leeward Asset Management, LLC | Rosamond, CA | 410 GWh | Mar 2025 | May 2026 | Solar |
| Rio Vista Solar | Rio Vista Executive Boat & RV Storage, LLC | Rio Vista, CA | 3 GWh | Mar 2025 | Dec 2025 | Solar |
| Oaks HOA | Onyx Asset Services Group | Ione, CA | 2 GWh | Mar 2025 | Dec 2025 | Solar |
| Allied Potato | Renewable Solar, Inc | Bakersfield, CA | 310 MWh | Apr 2025 | Dec 2025 | Solar |
| Visalia - (CA) | CleanCapital Holdings | Visalia, CA | 3 GWh | May 2025 | Dec 2025 | Solar |
| Legoland CA Phase I | Onyx Asset Services Group | Carlsbad, CA | 1 GWh | May 2025 | Dec 2025 | Solar |
| Northern Orchard Solar PV, LLC | RWE Clean Energy | Taft, CA | 366 GWh | Jun 2025 | May 2026 | Solar |
| CA OXNARD 2600 Sakioka Dr | Catalyze Oxnard 2600 Sakioka Drive Microgrid, LLC | Oxnard, CA | 3 GWh | Jun 2025 | Dec 2025 | Solar |
| Thermo Fisher Pleasanton | TotalEnergies Renewables USA LLC | Pleasanton, CA | 1 GWh | Jun 2025 | Dec 2025 | Solar |
| CPA 2132 E Dominguez | Prologis Logistics Services Incorporated | Carson, CA | 913 MWh | Jul 2025 | Dec 2025 | Solar |
| CPA Wilmington 1 | Prologis Logistics Services Incorporated | Carson, CA | 1 GWh | Jul 2025 | Dec 2025 | Solar |
| Rosamond South 1 | Golden Fields Solar IV, LLC | Rosamond, CA | 324 GWh | Jul 2025 | May 2026 | Solar |
| Luna Valley | Luna Valley Solar I, LLC | Mendota, CA | 267 GWh | Jul 2025 | May 2026 | Solar |
| Foster Clean Power B | Foster Clean Power B LLC | Arcata, CA | 901 MWh | Aug 2025 | Dec 2025 | Solar |
| Foster Clean Power A | Foster Clean Power A, LLC | Arcata, CA | 846 MWh | Sep 2025 | Dec 2025 | Solar |
| Chatsworth Industrial Center 1-SLLAX601 | Prologis Logistics Services Incorporated | Chatsworth, CA | 132 MWh | Sep 2025 | Dec 2025 | Solar |
| Tracy 18 - SLCVA418 | Prologis Logistics Services Incorporated | Tracy, CA | 182 MWh | Sep 2025 | Dec 2025 | Solar |
| Sutter Home Winery Westside | REC SHW, LLC | Lodi, CA | 295 MWh | Sep 2025 | Dec 2025 | Solar |
| BCE Seal Beach | BCE Seal Beach | Seal Beach, CA | 8 GWh | Oct 2025 | Apr 2026 | Solar |
| Edwards Sanborn 1C | Terra-Gen Operating Co-Hybrid | Mojave, CA | 206 GWh | Oct 2025 | May 2026 | Solar |
| Amazon - SAN5 | Onyx Asset Services Group | San Diego, CA | 530 MWh | Oct 2025 | Dec 2025 | Solar |
| Bellefield Solar and Energy Storage Farm | 50LW 8me LLC | Mojave, CA | 382 GWh | Nov 2025 | May 2026 | Solar |
| SF Azalea, LLC | Idemitsu Renewables | Lost Hills, CA | 68 GWh | Nov 2025 | May 2026 | Solar |
Surrounding Balancing Authorities
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #25 | Arizona Public Service Company | 25.2 TWh | 100 |
| #54 | Arlington Valley, LLC | 3.2 TWh | 1 |
| #38 | Balancing Authority of Northern California | 13.7 TWh | 90 |
| #49 | Imperial Irrigation District | 6.2 TWh | 66 |
| #29 | Los Angeles Department of Water and Power | 18.8 TWh | 131 |
| #22 | Nevada Power Company | 36.8 TWh | 143 |
| #51 | PUD No. 1 of Douglas County | 4.4 TWh | 4 |
| #19 | Salt River Project Agricultural Improvement and Power District | 60.3 TWh | 49 |
| #57 | Turlock Irrigation District | 1.9 TWh | 11 |
| #40 | Western Area Power Administration - Desert Southwest Region | 10.4 TWh | 34 |
Balancing Authorities with Similar Net Generation
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #3 | Electric Reliability Council of Texas, Inc. | 494.1 TWh | 1,471 |
| #5 | Southwest Power Pool | 306.8 TWh | 856 |
| #6 | Southern Company Services, Inc. - Trans | 253.5 TWh | 422 |
| #7 | California Independent System Operator | 169.4 TWh | 2,135 |
| #9 | Tennessee Valley Authority | 163.4 TWh | 207 |
| #10 | Florida Power & Light Co. | 152.2 TWh | 187 |
| #12 | New York Independent System Operator | 134.3 TWh | 1,299 |
| #13 | Duke Energy Carolinas | 112.6 TWh | 577 |
| #15 | ISO New England | 111.1 TWh | 1,629 |
| #16 | Bonneville Power Administration | 91.6 TWh | 167 |