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 |
|---|---|---|---|---|---|---|
| Antelope Expansion 3A | AES Distributed Energy | Lancaster, CA | 40 GWh | May 2021 | Dec 2025 | Solar |
| Raceway Solar & Storage | AES Clean Energy | Lancaster, CA | 352 GWh | Apr 2024 | Jul 2026 | Solar |
| Portal Ridge Solar C, LLC | Portal Ridge Solar, LLC | Lancaster, CA | 29 GWh | Jan 2017 | Dec 2025 | Solar |
| Portal Ridge Solar B, LLC | Portal Ridge Solar, LLC | Lancaster, CA | 53 GWh | Jan 2017 | Dec 2025 | Solar |
| Central Antelope Dry Ranch B LLC | Central Antelope Dry Ranch B, LLC | Lancaster, CA | 6 GWh | Aug 2017 | Dec 2025 | Solar |
| Summer Solar LLC | AES Distributed Energy | Lancaster, CA | 56 GWh | Jun 2016 | Dec 2025 | Solar |
| Antelope Big Sky Ranch | AES Distributed Energy | Lancaster, CA | 50 GWh | Jul 2016 | 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 |
| Solverde 1 | AES Distributed Energy | Lancaster, CA | 197 GWh | Nov 2016 | Jul 2026 | Solar |
| US-TOPCO (Soccer Center) | Tesla Inc. | Lancaster, CA | 4 GWh | Nov 2016 | Dec 2025 | Solar |
| AVS Lancaster 1 | Tesla Inc. | Lancaster, CA | 6 GWh | Nov 2016 | Dec 2025 | Solar |
| Elevation Solar C | AES Distributed Energy | Lancaster, CA | 105 GWh | Nov 2016 | Jul 2026 | Solar |
| Central Antelope Dry Ranch C | AES Distributed Energy | Lancaster, CA | 39 GWh | Apr 2016 | Dec 2025 | Solar |
| North Lancaster Ranch | AES Distributed Energy | Lancaster, CA | 39 GWh | Nov 2016 | Dec 2025 | Solar |
| Western Antelope Blue Sky B | AES Distributed Energy | Lancaster, CA | 52 GWh | Nov 2016 | Dec 2025 | Solar |
| Morgan Lancaster 1 | Terraform Arcadia | Lancaster, CA | 818 MWh | Aug 2015 | Dec 2025 | Solar |
| Lancaster WAD B | AES Distributed Energy | Lancaster, CA | 7 GWh | Mar 2017 | Dec 2025 | Solar |
| TA-Acacia, LLC | Onward Energy | Lancaster, CA | 48 GWh | Oct 2014 | Dec 2025 | Solar |
| Sierra Solar Greenworks | AES Distributed Energy | Lancaster, CA | 41 GWh | Oct 2015 | Dec 2025 | Solar |
| Bayshore Solar A, LLC | AES Distributed Energy | Lancaster, CA | 44 GWh | Nov 2017 | Dec 2025 | Solar |
| Antelope Expansion 3B | AES Distributed Energy | Lancaster, CA | 13 GWh | May 2021 | Dec 2025 | Solar |
| CSP Los Angeles | Ecoplexus, Inc | Lancaster, CA | 6 GWh | Sep 2022 | Dec 2025 | Solar |
| Antelope Expansion 1B | AES Distributed Energy | Lancaster, CA | 47 GWh | Oct 2022 | Dec 2025 | Solar |
| Lancaster | Clean Focus Yield, LLC | Lancaster, CA | 8 GWh | Oct 2018 | Dec 2025 | Solar |
| SEPV Sierra | SEPV Sierra, LLC | Lancaster, CA | 5 GWh | Mar 2020 | Dec 2025 | Solar |
| San Pablo Raceway | AES Distributed Energy | Lancaster, CA | 197 GWh | Jul 2019 | Jul 2026 | Solar |
| Gaskell West 1 Solar Facility | Southern Power Co | Lancaster, CA | 56 GWh | Feb 2018 | Dec 2025 | Solar |
| Green Beanworks B PV | AES Distributed Energy | Lancaster, CA | 6 GWh | Nov 2018 | Dec 2025 | Solar |
| Antelope DSR 3 | AES Distributed Energy | Lancaster, CA | 55 GWh | Aug 2019 | Dec 2025 | Solar |
| Bayshore Solar C, LLC | AES Distributed Energy | Lancaster, CA | 41 GWh | Nov 2017 | Dec 2025 | Solar |
| Antelope Expansion 2 | AES Distributed Energy | Lancaster, CA | 214 GWh | Nov 2018 | Jul 2026 | Solar |
| Foundation CDCR LAC | Foundation CA Fund VIII Manager, LLC | Lancaster, CA | 4 GWh | Nov 2017 | Dec 2025 | Wind |
| Estrella Solar & Storage | AES Clean Energy | Lancaster, CA | 155 GWh | Nov 2023 | Jul 2026 | Solar |
| Lancaster Little Rock | AES Distributed Energy | Landers, CA | 3 GWh | Nov 2014 | Dec 2025 | Solar |
| Zonneveld Oak Grove | Renewable Solar, Inc | Laton, CA | 388 MWh | May 2024 | Dec 2025 | Solar |
| Pastoria Solar | Pastoria Solar Energy Company, LLC | Lebec, CA | 32 GWh | - | Jul 2026 | Solar |
| Pastoria Energy Facility, LLC | Calpine Corp - Pastoria Energy Center | Lebec, CA | 3 TWh | Apr 2005 | Jul 2026 | Natural Gas |
| Poole | Southern California Edison Co | Lee Vining, CA | 22 GWh | Apr 1924 | Dec 2025 | Water |
| Lundy | Southern California Edison Co | Lee Vining, CA | 7 GWh | Nov 1911 | Dec 2025 | Water |
| Terminus Hydroelectric Project | Eagle Creek Renewable Energy, LLC | Lemon Cove, CA | 33 GWh | Feb 1990 | Dec 2025 | Water |
| RE Kent South, LLC | Onward Energy | Lemoore, CA | 36 GWh | Nov 2014 | Dec 2025 | Solar |
| Henrietta Solar Project | Southern Power Co | Lemoore, CA | 170 GWh | Jul 2016 | Dec 2025 | Solar |
| RE Kansas South LLC | RE Kansas South LLC | Lemoore, CA | 51 GWh | May 2013 | Dec 2025 | Solar |
| Henrietta Peaker | MRP San Joaquin Energy LLC. | Lemoore, CA | 4 GWh | May 2002 | Jul 2026 | Natural Gas |
| RE Kansas Solar, LLC | Onward Energy | Lemoore, CA | 24 GWh | Nov 2014 | Dec 2025 | Solar |
| RE Mustang LLC | MN8 Energy LLC | Lemoore, CA | 221 GWh | Jul 2016 | Dec 2025 | Solar |
| Java Solar, LLC | Java Solar, LLC | Lemoore, CA | 22 GWh | Oct 2022 | Dec 2025 | Solar |
| Solar Blue | Westlands Solar Blue | Lemoore, CA | 645 GWh | Nov 2023 | Jul 2026 | Solar |
| Chestnut | Chestnut Westside LLC | Lemoore, CA | 360 GWh | Nov 2023 | Jul 2026 | Solar |
| Aquamarine | Aqua | Lemoore, CA | 645 GWh | Aug 2021 | Jul 2026 | Solar |
| Lemoore West | Leprino Foods | Lemoore, CA | 17 GWh | Nov 2022 | Dec 2025 | Solar |
| Almond | Westlands Almond LLC | Lemoore, CA | 49 GWh | Aug 2023 | Dec 2025 | Solar |
| Kings CSG 3 LLC Community Solar | Dimension Energy LLC | Lemoore, CA | 7 GWh | Nov 2024 | Dec 2025 | Solar |
| American Kings Solar, LLC | MN8 Energy LLC | Lemoore, CA | 271 GWh | Nov 2020 | Jul 2026 | Solar |
| Mustang Two | RE Mustang Two LLC | Lemoore, CA | 373 GWh | Oct 2020 | Apr 2026 | Solar |
| Lemoore 1 | AES Distributed Energy | Lemoore, CA | 1 GWh | Jan 2016 | Sep 2025 | Solar |
| Westside Solar Power PV1 | Westside Assets LLC | Lemoore, CA | 5 GWh | Apr 2016 | Dec 2024 | Solar |
| Lincoln WWTF Hybrid | Lincoln Solar Star, LLC | Lincoln, CA | 6 GWh | Jul 2021 | Dec 2025 | Solar |
| San Francisco Bay Coffee | JBR, Inc. | Lincoln, CA | 1 GWh | May 2014 | Dec 2025 | Solar |
| Rio Bravo Rocklin | Rio Bravo Rocklin | Lincoln, CA | 147 GWh | May 1989 | Dec 2025 | Wood/Wood Waste Solids : 99.0% Natural Gas : 1.0% |
| Sierra Pacific Lincoln Facility | Sierra Pacific Industries | Lincoln, CA | 80 GWh | Feb 2004 | Dec 2025 | Wood/Wood Waste Solids |
| Lincoln Landfill | Energy 2001 Inc | Lincoln, CA | 29 GWh | Oct 2004 | Dec 2025 | Landfill Gas |
| Ameresco San Joaquin | Ameresco San Joaquin, LLC | Linden, CA | 25 GWh | Mar 2014 | Dec 2025 | Landfill Gas |
| Lindsay Solar | Altus Power America Management, LLC | Lindsay, CA | 7 GWh | Dec 2013 | Dec 2025 | Solar |
| 2127 Harris Solar Project | Solarenewal LLC | Live Oak, CA | 885 MWh | Mar 2014 | Dec 2025 | Solar |
| Diablo Winds LLC | Sequitur Renewables, LLC | Livermore, CA | 31 GWh | Nov 2004 | Dec 2025 | Wind |
| Ameresco Vasco Road | Ameresco Vasco Road, LLC | Livermore, CA | 33 GWh | Feb 2013 | Dec 2025 | Landfill Gas |
| Vasco Winds | Vasco Winds, LLC | Livermore, CA | 234 GWh | Nov 2011 | Oct 2025 | Wind |
| Altamont Gas Recovery | WM Renewable Energy LLC | Livermore, CA | 39 GWh | Feb 1969 | Dec 2025 | Landfill Gas |
| Golden Hills Wind | Golden Hills Wind, LLC | Livermore, CA | 253 GWh | Nov 2015 | Dec 2025 | Wind |
| Whitethorn Solar LLC | Whitethorn Solar LLC | Livermore, CA | 5 GWh | Jan 2016 | Dec 2025 | Solar |
| CA- US Foods- Livermore | EDPRNA DG CA Livermore LLC | Livermore, CA | 2 GWh | Jul 2024 | Dec 2025 | Solar |
| Las Positas College | Chabot Las Positas Community College District | Livermore, CA | 2 GWh | Jul 2018 | Dec 2025 | Solar |
| Summit Winds | Greenbacker Renewable Energy Corporation | Livermore, CA | 176 GWh | Jun 2021 | Jul 2026 | Wind |
| Golden Hills North Wind Energy Center | Golden Hills Interconnection Wind, LLC | Livermore, CA | 125 GWh | Oct 2017 | Jul 2026 | Wind |
| West Tambo Clean Power II | West Tambo Clean Power II | Livingston, CA | 4 GWh | Oct 2024 | Dec 2025 | Solar |
| Sutter Home Winery Westside | REC SHW, LLC | Lodi, CA | 295 MWh | Sep 2025 | Dec 2025 | Solar |
| Enchanted Rock Lodi | Enchanted Rock | Lodi, CA | 5 GWh | Oct 2024 | Dec 2025 | Natural Gas |
| Bear Creek Solar (Lodi) | Ecos Energy LLC | Lodi, CA | 4 GWh | Jan 2014 | Nov 2025 | Solar |
| Lodi Energy Center | Northern California Power Agny | Lodi, CA | 456 GWh | Oct 2012 | Jul 2026 | Natural Gas |
| Kettleman Solar Project | Ecos Energy LLC | Lodi, CA | 3 GWh | Mar 2014 | Dec 2025 | Solar |
| Lodi | Northern California Power Agny | Lodi, CA | 2 GWh | Jan 1986 | Dec 2025 | Natural Gas |
| Loma Linda University Cogen | Loma Linda University | Loma Linda, CA | 61 GWh | Jan 1980 | Jul 2026 | Natural Gas |
| Strauss Wind Farm | Strauss Wind LLC | Lompoc, CA | 192 GWh | Nov 2023 | Jul 2026 | Wind |
| Spring Gap | Pacific Gas & Electric Co. | Long Barn, CA | 12 GWh | Aug 1921 | Dec 2025 | Water |
| Long Beach Generation | Long Beach Generation LLC | Long Beach, CA | 6 GWh | Nov 1976 | Dec 2025 | Natural Gas |
| AES Alamitos LLC | AES Alamitos LLC | Long Beach, CA | 13 GWh | Aug 1956 | Jun 2026 | Natural Gas |
| THUMS | THUMS Long Beach Company | Long Beach, CA | 158 GWh | Dec 2002 | Jul 2026 | Natural Gas |
| Dominguez Plant | Eco Services Corp. | Long Beach, CA | 34 GWh | Jul 1976 | Dec 2025 | Waste Heat |
| AES Alamitos Energy Center | AES Alamitos Energy, LLC | Long Beach, CA | 1 TWh | Jan 2020 | Jul 2026 | Natural Gas |
| CSU Long Beach Lots 7 & 14 | MN8 Energy LLC | Long Beach, CA | 7 GWh | Nov 2017 | Dec 2025 | Solar |
| Toyota Long Beach Trigen | Long Beach Trigen, LLC | Long Beach, CA | 13 GWh | Oct 2023 | Dec 2025 | Other Biomass Gas |
| BCE Los Alamitos 1 | Bright Canyon Energy | Los Alamitos, CA | 19 GWh | Jul 2023 | Dec 2024 | Solar |
| VS BC Pacific Gateway, LLC | TRITEC Americas | Los Angeles, CA | 2 GWh | Feb 2025 | Dec 2025 | Solar |
| USPS PV | Altus Power America Management, LLC | Los Angeles, CA | 11 GWh | Jun 2017 | Dec 2025 | Solar |
| Kaiser - LA | Bloom Energy | Los Angeles, CA | 37 GWh | May 2020 | Dec 2025 | Natural Gas |
| Lafayette 2 - MLK Jr. Hospital (MLK) | MN8 Energy LLC | Los Angeles, CA | 2 GWh | Jul 2020 | Dec 2025 | Solar |
| DirecTV - Los Angeles | Bloom Energy | Los Angeles, CA | 8 GWh | Sep 2016 | Dec 2025 | Natural Gas |
| Lafayette 2 - Internal Services Dept | MN8 Energy LLC | Los Angeles, CA | 2 GWh | Jul 2020 | 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 |