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 |
|---|---|---|---|---|---|---|
| BCE Los Alamitos 1 | Bright Canyon Energy | Los Alamitos, CA | 19 GWh | Jul 2023 | Dec 2024 | Solar |
| BBARWA | Distributed Solar Development, LLC | Big Bear, CA | 3 GWh | Nov 2021 | Dec 2025 | Solar |
| Bayshore Solar C, LLC | AES Distributed Energy | Lancaster, CA | 41 GWh | Nov 2017 | Dec 2025 | Solar |
| Bayshore Solar B, LLC | AES Distributed Energy | Lancaster, CA | 42 GWh | Nov 2017 | Dec 2025 | Solar |
| Bayshore Solar A, LLC | AES Distributed Energy | Lancaster, CA | 44 GWh | Nov 2017 | Dec 2025 | Solar |
| Barre Peaker | Southern California Edison Co | Stanton, CA | 5 GWh | Aug 2007 | Nov 2025 | Natural Gas |
| Baldy Mesa Solar & Storage | AES Clean Energy | Adelanto, CA | 299 GWh | Apr 2024 | Jul 2026 | Solar |
| Baldy Mesa 2_Silver Peak Hybrid | AES Clean Energy | Adelanto, CA | 113 GWh | Nov 2024 | Jul 2026 | Solar |
| Balch 2 | Pacific Gas & Electric Co. | Balch Camp, CA | 342 GWh | Oct 1958 | Dec 2025 | Water |
| Balch 1 | Pacific Gas & Electric Co. | Balch Camp, CA | 71 GWh | Jan 1927 | Dec 2025 | Water |
| Bakersfield PV 1 | AES Distributed Energy | Bakersfield, CA | 6 GWh | Nov 2017 | Dec 2025 | Solar |
| Bakersfield Industrial PV 1 | AES Distributed Energy | Bakersfield, CA | 1 GWh | Nov 2017 | Oct 2025 | Solar |
| Baker Creek Hydroelectric | Baker Station Associates, LP | Bridgeville, CA | 3 GWh | Oct 2014 | Dec 2025 | Water |
| Badger Creek Limited | WCAC Operating Company | Bakersfield, CA | 4 GWh | Mar 1991 | Jul 2026 | Natural Gas |
| B Braun Medical | B Braun Medical Inc | Irvine, CA | 29 GWh | Oct 1982 | Mar 2025 | Natural Gas |
| Axium Modesto Solar | Axium US Solar Holdings LLC | Modesto, CA | 53 GWh | Nov 2012 | Dec 2025 | Solar |
| AVS Lancaster 1 | Tesla Inc. | Lancaster, CA | 6 GWh | Nov 2016 | Dec 2025 | Solar |
| AVI Bakersfield | Anthony Vineyards, Inc. | Bakersfield, CA | 3 GWh | May 2022 | Dec 2025 | Solar |
| Avenue 26 Solar | RPCA Solar 1, LLC | Chowchilla, CA | 13 GWh | Oct 2024 | Dec 2025 | Solar |
| Avenal Park | Avenal Solar Holdings LLC | Avenal, CA | 10 GWh | Jul 2011 | Dec 2025 | Solar |
| Avalon Dairy | Renewable Solar, Inc | Wasco, CA | 792 MWh | Aug 2024 | Dec 2025 | Solar |
| AV Solar Ranch One | AV Solar Ranch 1 LLC | Lancaster, CA | 555 GWh | Jul 2014 | Jul 2026 | Solar |
| Atwell Island West Solar | RWE Clean Energy | Alpaugh, CA | 52 GWh | Apr 2015 | Dec 2025 | Solar |
| Atwell Island | SPS Atwell Island LLC | Alpaugh, CA | 34 GWh | Feb 2013 | Dec 2025 | Solar |
| ATT North Watney | Bloom Energy | Fairfield, CA | 8 GWh | Nov 2019 | Dec 2025 | Natural Gas |
| ATT Kelvin | Bloom Energy | Irvine, CA | 8 GWh | Mar 2017 | Dec 2025 | Natural Gas |
| ATLAS Solar V, LLC | ATLAS Solar V, LLC | Salome, AZ | 9 GWh | - | Jul 2026 | Solar |
| Athos Solar Project | SE Athos I, LLC | Desert Center, CA | 675 GWh | May 2022 | Jul 2026 | Solar |
| Atascadero State Hospital | Ecoplexus, Inc | Atascadero, CA | 3 GWh | Jul 2020 | Dec 2025 | Solar |
| AT&T - San Diego Trade Street | Bloom Energy | San Diego, CA | 4 GWh | Feb 2016 | Dec 2025 | Natural Gas |
| AT&T - Redwood City | Bloom Energy | Redwood City, CA | 3 GWh | Feb 2013 | Dec 2025 | Natural Gas |
| AT&T Holger | Bloom Energy | San Jose, CA | 1 GWh | May 2016 | Dec 2025 | Natural Gas |
| AT&T - Hayward | Bloom Energy | Hayward, CA | 8 GWh | Oct 2016 | Dec 2025 | Natural Gas |
| AT&T - Hawthorne | Bloom Energy | Hawthorne, CA | 8 GWh | Sep 2016 | Dec 2025 | Natural Gas |
| AT&T - Gardena | Bloom Energy | Gardena, CA | 8 GWh | May 2013 | Dec 2025 | Natural Gas |
| AT&T Anaheim | Bloom Energy | Anaheim, CA | 7 GWh | Aug 2016 | Dec 2025 | Natural Gas |
| ASTI | SunStrong Management, LLC | Cloverdale, CA | 1 GWh | Jan 2009 | Dec 2025 | Solar |
| Aspiration G | AES Distributed Energy | Cantua Creek, CA | 21 GWh | Aug 2017 | Dec 2025 | Solar |
| Arrache 8083 | CD US Solar MT 2 LLC | Palmdale, CA | 3 GWh | Aug 2013 | Dec 2025 | Solar |
| Arrache 4013 | CD US Solar MT 2 LLC | Palmdale, CA | 4 GWh | Jul 2013 | Dec 2025 | Solar |
| Arrache 4006 | CD US Solar MT 2 LLC | Palmdale, CA | 2 GWh | Jul 2013 | Dec 2025 | Solar |
| Arlington Energy Center III | Arlington Energy Center III | Blythe, CA | 330 GWh | Jul 2022 | Jul 2026 | Solar |
| Arlington Energy Center II | Arlington Energy Center II | Blythe, CA | 640 GWh | Feb 2022 | Jul 2026 | Solar |
| Arica Solar | Arica Solar, LLC | Desert Center, CA | 725 GWh | Feb 2024 | Jul 2026 | 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% |
| Aratina Solar Center 1B | 91MC 8me LLC | Boron, CA | 4 GWh | - | Jul 2026 | Solar : 93.6% Electricity used for energy storage : 6.4% |
| Aratina Solar Center 1A | 64NB 8me LLC | Boron, CA | 6 GWh | - | Jul 2026 | Solar : 97.1% Electricity used for energy storage : 2.9% |
| Aquamarine | Aqua | Lemoore, CA | 645 GWh | Aug 2021 | Jul 2026 | Solar |
| Apple Campus 2 PV | Apple, Inc | Cupertino, CA | 16 GWh | May 2017 | Dec 2025 | Solar |
| Apple Campus 2 Fuel Cell | Apple, Inc | Cupertino, CA | 31 GWh | May 2017 | Dec 2025 | Landfill Gas |
| AP North Lake I, LP | AP North Lake I, LP | Hemet, CA | 46 GWh | Jul 2015 | Dec 2025 | Solar |
| Antelope Expansion 3B | AES Distributed Energy | Lancaster, CA | 13 GWh | May 2021 | Dec 2025 | Solar |
| Antelope Expansion 3A | AES Distributed Energy | Lancaster, CA | 40 GWh | May 2021 | Dec 2025 | Solar |
| Antelope Expansion 2 | AES Distributed Energy | Lancaster, CA | 214 GWh | Nov 2018 | Jul 2026 | Solar |
| Antelope Expansion 1B | AES Distributed Energy | Lancaster, CA | 47 GWh | Oct 2022 | Dec 2025 | Solar |
| Antelope DSR 3 | AES Distributed Energy | Lancaster, CA | 55 GWh | Aug 2019 | Dec 2025 | Solar |
| Antelope DSR 2 | AES Distributed Energy | Lancaster, CA | 14 GWh | Nov 2016 | Dec 2025 | Solar |
| Antelope DSR 1 | AES Distributed Energy | Lancaster, CA | 116 GWh | Nov 2016 | Jul 2026 | Solar |
| Antelope Big Sky Ranch | AES Distributed Energy | Lancaster, CA | 50 GWh | Jul 2016 | Dec 2025 | Solar |
| Anheuser Busch - Fairfield | Bloom Energy | Fairfield, CA | 21 GWh | Nov 2022 | Dec 2025 | Natural Gas |
| Anheuser-Busch #2 | Foundation HA Energy Generation, LLC | Fairfield, CA | 3 GWh | Oct 2014 | Jul 2026 | Wind |
| Angels | Utica Water & Power Authority | Angels Camp, CA | 6 GWh | Dec 1939 | Dec 2025 | Water |
| Angela Solar Project | Angiola East LLC | Alpaugh, CA | 37 GWh | - | Jul 2026 | Solar |
| Anaheim Solar Energy Plant | Anaheim Public Utilities | Anaheim, CA | 2 GWh | Jul 2014 | Dec 2025 | Solar |
| American Kings Solar, LLC | MN8 Energy LLC | Lemoore, CA | 271 GWh | Nov 2020 | Jul 2026 | Solar |
| American Canyon Solar | RP Napa Solar 1, LLC | American Canyon, CA | 6 GWh | Aug 2019 | Dec 2025 | Solar |
| Ameresco Vasco Road | Ameresco Vasco Road, LLC | Livermore, CA | 33 GWh | Feb 2013 | Dec 2025 | Landfill Gas |
| Ameresco Santa Cruz Energy | AMERESCO Santa Cruz Energy LLC | Watsonville, CA | 14 GWh | Dec 2005 | Dec 2025 | Landfill Gas |
| Ameresco San Joaquin | Ameresco San Joaquin, LLC | Linden, CA | 25 GWh | Mar 2014 | Dec 2025 | Landfill Gas |
| Ameresco Ox Mountain | AMERESCO Ox Mountain Energy LLC | Half Moon Bay, CA | 83 GWh | Nov 2008 | Jul 2026 | Landfill Gas |
| Ameresco Keller Canyon | AMERESCO Keller Canyon LLC | Bay Point, CA | 16 GWh | Jun 2009 | Dec 2025 | Landfill Gas |
| Ameresco Johnson Canyon | Ameresco Johnson Canyon LLC | Gonzales, CA | 10 GWh | Apr 2013 | Dec 2025 | Landfill Gas |
| Ameresco Forward | Ameresco Forward, LLC | Manteca, CA | 32 GWh | Jan 2014 | Dec 2025 | Landfill Gas |
| Ameresco Chiquita Canyon | AMERESCO Chiquita Canyon LLC | Castaic, CA | 2 GWh | Oct 2010 | Dec 2024 | Landfill Gas |
| Ameresco Butte County | Ameresco Butte County LLC | Paradise, CA | 15 GWh | Jan 2013 | Dec 2025 | Landfill Gas |
| Amazon Visalia (FAT2) | Madison Energy Investments LLC | Visalia, CA | 4 GWh | Feb 2023 | Dec 2025 | Solar |
| Amazon - Stockton - Roof (SCK1) - (CA) | Forefront Power, LLC | Stockton, CA | 4 GWh | Feb 2023 | Dec 2025 | Solar |
| Amazon - SAN5 | Onyx Asset Services Group | San Diego, CA | 530 MWh | Oct 2025 | Dec 2025 | Solar |
| Amazon SAN3 Solar Project | Solar Star Prime 4 LLC | San Diego, CA | 8 GWh | Apr 2024 | Dec 2025 | Solar |
| Amazon PSP1 | Greenbacker Renewable Energy Corporation | Beaumont, CA | 7 GWh | Sep 2021 | Dec 2025 | Solar |
| Amazon Bakersfield 1 Solar Project | Solar Star Prime 3, LLC | Bakersfield, CA | 8 GWh | Dec 2023 | Dec 2025 | Solar |
| AM Wind Repower | AM Wind Repower LLC | Whitewater, CA | 90 GWh | Feb 2025 | Jul 2026 | Wind |
| Alticor Inc - Solar Project | MN8 Energy LLC | Buena Park, CA | 1 GWh | Nov 2017 | Dec 2025 | Solar |
| Altamont Gas Recovery | WM Renewable Energy LLC | Livermore, CA | 39 GWh | Feb 1969 | Dec 2025 | Landfill Gas |
| AltaGas Ripon Energy Inc. | AltaGas Ripon Energy Inc. | Ripon, CA | 2 GWh | Mar 1988 | Jul 2026 | Natural Gas |
| Alta Wind XI | Alta Wind XI, LLC | Mojave, CA | 251 GWh | Dec 2013 | Dec 2025 | Wind |
| Alta Wind X | Alta Wind X, LLC | Mojave, CA | 361 GWh | Dec 2013 | Dec 2025 | Wind |
| Alta Wind VIII | Nextera Energy Resources | Mojave, CA | 219 GWh | Dec 2011 | Dec 2025 | Wind |
| Alta Wind Energy Center V | Alta Wind V, LLC | Mojave, CA | 254 GWh | Mar 2011 | Dec 2025 | Wind |
| Alta Wind Energy Center IV | Alta Wind IV, LLC | Mojave, CA | 168 GWh | Mar 2011 | Dec 2025 | Wind |
| Alta Wind Energy Center III | Alta Wind III, LLC | Mojave, CA | 318 GWh | Jan 2011 | Dec 2025 | Wind |
| Alta Wind Energy Center II | Alta Wind II, LLC | Mojave, CA | 318 GWh | Dec 2010 | Dec 2025 | Wind |
| Alta Wind Energy Center I | Alta Wind I, LLC | Mojave, CA | 400 GWh | Dec 2010 | Dec 2025 | Wind |
| Alta Powerhouse | Pacific Gas & Electric Co. | Alta, CA | 2 GWh | Oct 1902 | Dec 2025 | Water |
| Alpine Solar | Alpine BESS LLC | Lancaster, CA | 114 GWh | Jan 2013 | Dec 2025 | Solar |
| Alpaugh North | RWE Clean Energy | Alpaugh, CA | 21 GWh | Nov 2012 | Dec 2025 | Solar |
| Alpaugh 50 | RWE Clean Energy | Alpaugh, CA | 57 GWh | Nov 2012 | Dec 2025 | Solar |
| Almond | Westlands Almond LLC | Lemoore, CA | 49 GWh | Aug 2023 | Dec 2025 | Solar |
| Allied Potato | Renewable Solar, Inc | Bakersfield, CA | 310 MWh | Apr 2025 | Dec 2025 | Solar |
| Algonquin SKIC20 Solar LLC | Algonquin Power Co | Taft, CA | 41 GWh | Apr 2015 | 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 |