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 | Nov 2025 |
| Annual Generation | 188.0 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 | 43.1% Solar | 26.4% Water | 11.1% Wind | 10.6% Nuclear | 9.4% |
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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 |
|---|---|---|---|---|---|---|
| Wonderful Orchards - Belridge | Wonderful Renewable Energy, LLC. | Lost Hills, CA | 12 GWh | Nov 2020 | Dec 2024 | Solar |
| Wright Solar Park | Wright Solar Park LLC | Los Banos, CA | 411 GWh | Nov 2019 | Sep 2025 | Solar |
| Vega Solar | Vega Solar, LLC | Los Banos, CA | 51 GWh | Feb 2015 | Dec 2024 | Solar |
| Merced 1 PV | ZGlobal Inc | Los Banos, CA | 7 GWh | Mar 2018 | Dec 2024 | Solar |
| Dinosaur Point | International Turbine Res Inc | Los Banos, CA | 5 GWh | Apr 1988 | Jun 2024 | Wind |
| Kaiser - LA | Bloom Energy | Los Angeles, CA | 19 GWh | May 2020 | Dec 2024 | Natural Gas |
| USPS PV | Altus Power America Management, LLC | Los Angeles, CA | 10 GWh | Jun 2017 | Dec 2024 | Solar |
| Lafayette 2 - MLK Jr. Hospital (MLK) | MN8 Energy LLC | Los Angeles, CA | 2 GWh | Jul 2020 | Dec 2024 | Solar |
| DirecTV - Los Angeles | Bloom Energy | Los Angeles, CA | 8 GWh | Sep 2016 | Dec 2024 | Natural Gas |
| Lafayette 2 - Internal Services Dept | MN8 Energy LLC | Los Angeles, CA | 3 GWh | Jul 2020 | Dec 2024 | Solar |
| BCE Los Alamitos 1 | Bright Canyon Energy | Los Alamitos, CA | 19 GWh | Jul 2023 | Dec 2024 | Solar |
| BCE Los Alamitos 2 | Bright Canyon Energy | Los Alamitos, CA | 3 GWh | Jul 2023 | Dec 2023 | Solar |
| Toyota Long Beach Trigen | Long Beach Trigen, LLC | Long Beach, CA | 17 GWh | Oct 2023 | Dec 2024 | Other Biomass Gas |
| AES Alamitos Energy Center | AES Alamitos Energy, LLC | Long Beach, CA | 2 TWh | Jan 2020 | Sep 2025 | Natural Gas |
| CSU Long Beach Lots 7 & 14 | MN8 Energy LLC | Long Beach, CA | 7 GWh | Nov 2017 | Dec 2024 | Solar |
| Southeast Resource Recovery | SERRF Joint Powers Authority | Long Beach, CA | 90 GWh | Jun 1988 | Mar 2024 | Non-biogenic Municipal Solid Waste : 51.7% Biogenic Municipal Solid Waste : 42.3% Natural Gas : 6.1% |
| THUMS | THUMS Long Beach Company | Long Beach, CA | 207 GWh | Dec 2002 | Sep 2025 | Natural Gas |
| Long Beach Generation LLC | Long Beach Generation LLC | Long Beach, CA | 10 GWh | Nov 1976 | Dec 2024 | Natural Gas |
| AES Alamitos LLC | AES Alamitos LLC | Long Beach, CA | 38 GWh | Aug 1956 | Aug 2025 | Natural Gas |
| Dominguez Plant | Eco Services Corp. | Long Beach, CA | 14 GWh | Jul 1976 | Dec 2023 | Waste Heat |
| Spring Gap | Pacific Gas & Electric Co. | Long Barn, CA | 30 GWh | Aug 1921 | Nov 2024 | Water |
| Strauss Wind Farm | Strauss Wind LLC | Lompoc, CA | 230 GWh | Nov 2023 | Sep 2025 | Wind |
| Loma Linda University Cogen | Loma Linda University | Loma Linda, CA | 63 GWh | Jan 1980 | Sep 2025 | Natural Gas |
| Bear Creek Solar (CA) | Ecos Energy LLC | Lodi, CA | 4 GWh | Jan 2014 | Dec 2024 | Solar |
| Combustion Turbine Project No 2 | Northern California Power Agny | Lodi, CA | 10 GWh | Mar 1996 | Oct 2024 | Natural Gas |
| Lodi | Northern California Power Agny | Lodi, CA | 3 GWh | Jan 1986 | Dec 2024 | Natural Gas |
| Kettleman Solar Project | Ecos Energy LLC | Lodi, CA | 3 GWh | Mar 2014 | Dec 2024 | Solar |
| Lodi Energy Center | Northern California Power Agny | Lodi, CA | 673 GWh | Oct 2012 | Sep 2025 | Natural Gas |
| West Tambo Clean Power II | West Tambo Clean Power II | Livingston, CA | 877 MWh | Oct 2024 | Dec 2024 | Solar |
| Summit Winds | Greenbacker Renewable Energy Corporation | Livermore, CA | 199 GWh | Jun 2021 | Sep 2025 | Wind |
| Whitethorn Solar LLC | Whitethorn Solar LLC | Livermore, CA | 4 GWh | Jan 2016 | Dec 2024 | Solar |
| CA- US Foods- Livermore | EDPRNA DG CA Livermore LLC | Livermore, CA | 636 MWh | Jul 2024 | Dec 2024 | Solar |
| Golden Hills North Wind Energy Center | Golden Hills Interconnection Wind, LLC | Livermore, CA | 149 GWh | Oct 2017 | Sep 2025 | Wind |
| Golden Hills Wind | Golden Hills Wind, LLC | Livermore, CA | 247 GWh | Nov 2015 | Dec 2024 | Wind |
| Vasco Winds | Vasco Winds, LLC | Livermore, CA | 223 GWh | Nov 2011 | Dec 2024 | Wind |
| Ameresco Vasco Road | Ameresco Vasco Road, LLC | Livermore, CA | 32 GWh | Feb 2013 | Dec 2024 | Landfill Gas |
| Diablo Winds LLC | Sequitur Renewables, LLC | Livermore, CA | 20 GWh | Nov 2004 | Dec 2024 | Wind |
| Altamont Gas Recovery | WM Renewable Energy LLC | Livermore, CA | 39 GWh | Feb 1969 | Dec 2024 | Landfill Gas |
| 2127 Harris Solar Project | Solarenewal LLC | Live Oak, CA | 1 GWh | Mar 2014 | Dec 2024 | Solar |
| Lindsay Solar | Altus Power America Management, LLC | Lindsay, CA | 6 GWh | Dec 2013 | Dec 2024 | Solar |
| Ameresco San Joaquin | Ameresco San Joaquin, LLC | Linden, CA | 31 GWh | Mar 2014 | Dec 2024 | Landfill Gas |
| Sierra Pacific Lincoln Facility | Sierra Pacific Industries | Lincoln, CA | 94 GWh | Feb 2004 | Dec 2024 | Wood/Wood Waste Solids |
| Lincoln Landfill | Energy 2001 Inc | Lincoln, CA | 29 GWh | Oct 2004 | Dec 2024 | Landfill Gas |
| Rio Bravo Rocklin | Rio Bravo Rocklin | Lincoln, CA | 155 GWh | May 1989 | Dec 2024 | Wood/Wood Waste Solids : 99.1% Natural Gas : 0.9% |
| Lincoln WWTF Hybrid | Lincoln Solar Star, LLC | Lincoln, CA | 6 GWh | Jul 2021 | Dec 2024 | Solar |
| Lemoore West | Leprino Foods | Lemoore, CA | 14 GWh | Nov 2022 | Dec 2024 | Solar |
| Mustang Two | RE Mustang Two LLC | Lemoore, CA | 407 GWh | Oct 2020 | Sep 2025 | Solar |
| American Kings Solar, LLC | MN8 Energy LLC | Lemoore, CA | 334 GWh | Nov 2020 | Sep 2025 | Solar |
| Almond | Westlands Almond LLC | Lemoore, CA | 39 GWh | Aug 2023 | Dec 2024 | Solar |
| Aquamarine | Aquamarine Westside LLC | Lemoore, CA | 679 GWh | Aug 2021 | Sep 2025 | Solar |
| Java Solar, LLC | Java Solar, LLC | Lemoore, CA | 27 GWh | Oct 2022 | Dec 2024 | Solar |
| Westside Solar Power PV1 | Westside Assets LLC | Lemoore, CA | 5 GWh | Apr 2016 | Dec 2024 | Solar |
| Lemoore 1 | AES Distributed Energy | Lemoore, CA | 1 GWh | Jan 2016 | Dec 2024 | Solar |
| Electrolyte BESS | Henrietta BESS LLC | Lemoore, CA | 6 GWh | - | Sep 2025 | Electricity used for energy storage |
| Chestnut | Castanea Project LLC | Lemoore, CA | 391 GWh | Nov 2023 | Sep 2025 | Solar |
| Solar Blue | Westlands Solar Blue (OZ) Owner, LLC | Lemoore, CA | 658 GWh | Nov 2023 | Sep 2025 | Solar |
| RE Kansas Solar, LLC | Onward Energy | Lemoore, CA | 36 GWh | Nov 2014 | Dec 2024 | Solar |
| RE Kent South, LLC | Onward Energy | Lemoore, CA | 44 GWh | Nov 2014 | Dec 2024 | Solar |
| Henrietta Peaker | MRP San Joaquin Energy LLC. | Lemoore, CA | 9 GWh | May 2002 | Sep 2025 | Natural Gas |
| RE Mustang LLC | MN8 Energy LLC | Lemoore, CA | 221 GWh | Jul 2016 | Dec 2024 | Solar |
| RE Kansas South LLC | RE Kansas South LLC | Lemoore, CA | 49 GWh | May 2013 | Dec 2024 | Solar |
| Henrietta Solar Project | Southern Power Co | Lemoore, CA | 218 GWh | Jul 2016 | Dec 2024 | Solar |
| Terminus Hydroelectric Project | Eagle Creek Renewable Energy, LLC | Lemon Cove, CA | 42 GWh | Feb 1990 | Jun 2024 | Water |
| Poole | Southern California Edison Co | Lee Vining, CA | 23 GWh | Apr 1924 | Dec 2024 | Water |
| Lundy | Southern California Edison Co | Lee Vining, CA | 7 GWh | Nov 1911 | Dec 2024 | Water |
| Pastoria Energy Facility, LLC | Calpine Corp - Pastoria Energy Center | Lebec, CA | 4 TWh | Apr 2005 | Sep 2025 | Natural Gas |
| IKEA Tejon 345 | IKEA Property Inc | Lebec, CA | 929 MWh | Mar 2011 | Oct 2024 | Solar |
| Zonneveld Oak Grove | Renewable Solar, Inc | Laton, CA | 3 GWh | May 2024 | Dec 2024 | Solar |
| J.R. Simplot Company | J.R. Simplot Company | Lathrop, CA | 9 GWh | Sep 1993 | Dec 2023 | Waste Heat |
| Lancaster Little Rock | AES Distributed Energy | Landers, CA | 3 GWh | Nov 2014 | Dec 2024 | Solar |
| Sierra Solar Greenworks | AES Distributed Energy | Lancaster, CA | 39 GWh | Oct 2015 | Dec 2024 | Solar |
| AV Solar Ranch One | AV Solar Ranch 1 LLC | Lancaster, CA | 570 GWh | Jul 2014 | Sep 2025 | Solar |
| Lancaster Baptist Church | Tesla Inc. | Lancaster, CA | 1 GWh | Nov 2011 | Dec 2024 | Solar |
| Alpine Solar | Alpine BESS LLC | Lancaster, CA | 119 GWh | Jan 2013 | Dec 2024 | Solar |
| Ma | CD US Solar MT 2 LLC | Lancaster, CA | 2 GWh | Sep 2013 | Dec 2024 | Solar |
| Division 1 | Tesla Inc. | Lancaster, CA | 3 GWh | May 2014 | Dec 2024 | Solar |
| Radiance Solar 4 | Greenbacker Renewable Energy Corporation | Lancaster, CA | 3 GWh | Jun 2013 | 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 |
| Radiance Solar 5 | Greenbacker Renewable Energy Corporation | Lancaster, CA | 3 GWh | Jun 2013 | 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 |
| Vinam | CD US Solar MT 2 LLC | Lancaster, CA | 3 GWh | Jun 2013 | Dec 2024 | Solar |
| Summer North Solar | AES Distributed Energy | Lancaster, CA | 10 GWh | Nov 2014 | 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 |
| Horn | CD US Solar MT 2 LLC | Lancaster, CA | 3 GWh | Sep 2013 | Dec 2024 | Solar |
| Summer Solar D2 | AES Distributed Energy | Lancaster, CA | 2 GWh | Jun 2014 | Dec 2024 | Solar |
| Summer Solar C2 | AES Distributed Energy | Lancaster, CA | 3 GWh | May 2014 | Dec 2024 | Solar |
| Summer Solar B2 | AES Distributed Energy | Lancaster, CA | 3 GWh | May 2014 | Dec 2024 | Solar |
| Summer Solar A2 | AES Distributed Energy | Lancaster, CA | 3 GWh | May 2014 | Dec 2024 | Solar |
| Rodeo Solar D2 | AES Distributed Energy | Lancaster, CA | 3 GWh | Apr 2014 | Dec 2024 | Solar |
| Rodeo Solar C2 | AES Distributed Energy | Lancaster, CA | 3 GWh | Apr 2014 | Dec 2024 | Solar |
| Lancaster Dry Farm Ranch B | AES Distributed Energy | Lancaster, CA | 8 GWh | Oct 2014 | Dec 2024 | Solar |
| Western Antelope Blue Sky Ranch A | AES Distributed Energy | Lancaster, CA | 45 GWh | Oct 2014 | Dec 2024 | Solar |
| Western Antelope Dry Ranch | AES Distributed Energy | Lancaster, CA | 22 GWh | Nov 2016 | Dec 2024 | Solar |
| TA-High Desert LLC | TA-High Desert LLC | Lancaster, CA | 57 GWh | Feb 2013 | Dec 2024 | Solar |
| Estrella Solar & Storage | AES Clean Energy | Lancaster, CA | 153 GWh | Nov 2023 | Sep 2025 | Solar |
| CSP Los Angeles | Ecoplexus, Inc | Lancaster, CA | 6 GWh | Sep 2022 | Dec 2024 | Solar |
| Raceway Solar & Storage | AES Clean Energy | Lancaster, CA | 370 GWh | Apr 2024 | Sep 2025 | Solar |
Surrounding Balancing Authorities
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #26 | Arizona Public Service Company | 23.9 TWh | 92 |
| #54 | Arlington Valley, LLC | 3.4 TWh | 1 |
| #36 | Balancing Authority of Northern California | 14.7 TWh | 87 |
| #47 | Imperial Irrigation District | 6.3 TWh | 66 |
| #29 | Los Angeles Department of Water and Power | 18.9 TWh | 124 |
| #22 | Nevada Power Company | 37.2 TWh | 139 |
| #60 | New Harquahala Generating Company, LLC | 764.0 GWh | 1 |
| #19 | Salt River Project Agricultural Improvement and Power District | 60.0 TWh | 48 |
| #56 | Turlock Irrigation District | 2.1 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 |
|---|---|---|---|
| #4 | Electric Reliability Council of Texas, Inc. | 485.0 TWh | 1,313 |
| #5 | Southwest Power Pool | 299.9 TWh | 835 |
| #6 | Southern Company Services, Inc. - Trans | 250.9 TWh | 417 |
| #7 | California Independent System Operator | 188.0 TWh | 2,075 |
| #9 | Tennessee Valley Authority | 161.6 TWh | 204 |
| #10 | Florida Power & Light Co. | 148.9 TWh | 187 |
| #12 | New York Independent System Operator | 131.6 TWh | 1,211 |
| #13 | Duke Energy Carolinas | 112.5 TWh | 565 |
| #15 | ISO New England | 105.5 TWh | 1,577 |
| #16 | Bonneville Power Administration | 80.5 TWh | 163 |