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% |
Map of California Independent System Operator
Register Now for Comprehensive Access
Subscribe now to access all power plant data, utility information, FERC EQR data, and more for California Independent System Operator.
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 |
|---|---|---|---|---|---|---|
| Horn | CD US Solar MT 2 LLC | Lancaster, CA | 4 GWh | Sep 2013 | Dec 2025 | Solar |
| Ma | CD US Solar MT 2 LLC | Lancaster, CA | 2 GWh | Sep 2013 | Dec 2025 | Solar |
| AV Solar Ranch One | AV Solar Ranch 1 LLC | Lancaster, CA | 555 GWh | Jul 2014 | Jul 2026 | Solar |
| Division 1 | Tesla Inc. | Lancaster, CA | 2 GWh | May 2014 | Dec 2025 | Solar |
| Division 2 | Tesla Inc. | Lancaster, CA | 2 GWh | May 2014 | Dec 2025 | Solar |
| Division 3 | Tesla Inc. | Lancaster, CA | 1 GWh | May 2014 | Dec 2025 | Solar |
| Summer Solar A2 | AES Distributed Energy | Lancaster, CA | 3 GWh | May 2014 | Dec 2025 | Solar |
| Western Antelope Blue Sky Ranch A | AES Distributed Energy | Lancaster, CA | 43 GWh | Oct 2014 | Dec 2025 | Solar |
| Lancaster Baptist Church | Tesla Inc. | Lancaster, CA | 1 GWh | Nov 2011 | Dec 2025 | Solar |
| Summer North Solar | AES Distributed Energy | Lancaster, CA | 13 GWh | Nov 2014 | Dec 2025 | Solar |
| Lancaster Solar 2 | Boralex US Operations LLC | Lancaster, CA | 2 GWh | Oct 2014 | Dec 2025 | Solar |
| Vinam | CD US Solar MT 2 LLC | Lancaster, CA | 3 GWh | Jun 2013 | Dec 2025 | Solar |
| Western Antelope Dry Ranch | AES Distributed Energy | Lancaster, CA | 26 GWh | Nov 2016 | Dec 2025 | Solar |
| Kettering Solar 1 | Tesla Inc. | Lancaster, CA | 2 GWh | May 2014 | Nov 2025 | Solar |
| Summer Solar D2 | AES Distributed Energy | Lancaster, CA | 2 GWh | Jun 2014 | Dec 2025 | Solar |
| Rodeo Solar D2 | AES Distributed Energy | Lancaster, CA | 3 GWh | Apr 2014 | Dec 2025 | Solar |
| Summer Solar B2 | AES Distributed Energy | Lancaster, CA | 3 GWh | May 2014 | Dec 2025 | Solar |
| Summer Solar C2 | AES Distributed Energy | Lancaster, CA | 3 GWh | May 2014 | 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 C | AES Distributed Energy | Lancaster, CA | 39 GWh | Apr 2016 | Dec 2025 | Solar |
| Portal Ridge Solar C, LLC | Portal Ridge Solar, LLC | Lancaster, CA | 29 GWh | Jan 2017 | Dec 2025 | Solar |
| Western Antelope Blue Sky B | AES Distributed Energy | Lancaster, CA | 52 GWh | Nov 2016 | Dec 2025 | Solar |
| Antelope Expansion 2 | AES Distributed Energy | Lancaster, CA | 214 GWh | Nov 2018 | Jul 2026 | Solar |
| Antelope DSR 2 | AES Distributed Energy | Lancaster, CA | 14 GWh | Nov 2016 | Dec 2025 | Solar |
| Lancaster | Clean Focus Yield, LLC | Lancaster, CA | 8 GWh | Oct 2018 | Dec 2025 | Solar |
| Antelope DSR 3 | AES Distributed Energy | Lancaster, CA | 55 GWh | Aug 2019 | Dec 2025 | Solar |
| North Lancaster Ranch | AES Distributed Energy | Lancaster, CA | 39 GWh | Nov 2016 | Dec 2025 | Solar |
| Antelope DSR 1 | AES Distributed Energy | Lancaster, CA | 116 GWh | Nov 2016 | Jul 2026 | Solar |
| Green Beanworks B PV | AES Distributed Energy | Lancaster, CA | 6 GWh | Nov 2018 | Dec 2025 | Solar |
| Elevation Solar C | AES Distributed Energy | Lancaster, CA | 105 GWh | Nov 2016 | Jul 2026 | Solar |
| CSP Los Angeles | Ecoplexus, Inc | Lancaster, CA | 6 GWh | Sep 2022 | Dec 2025 | Solar |
| US-TOPCO (Soccer Center) | Tesla Inc. | Lancaster, CA | 4 GWh | Nov 2016 | Dec 2025 | Solar |
| Central Antelope Dry Ranch B LLC | Central Antelope Dry Ranch B, LLC | Lancaster, CA | 6 GWh | Aug 2017 | Dec 2025 | Solar |
| Gaskell West 1 Solar Facility | Southern Power Co | Lancaster, CA | 56 GWh | Feb 2018 | Dec 2025 | Solar |
| Summer Solar LLC | AES Distributed Energy | Lancaster, CA | 56 GWh | Jun 2016 | Dec 2025 | Solar |
| AVS Lancaster 1 | Tesla Inc. | Lancaster, CA | 6 GWh | Nov 2016 | Dec 2025 | Solar |
| Antelope Big Sky Ranch | AES Distributed Energy | Lancaster, CA | 50 GWh | Jul 2016 | Dec 2025 | Solar |
| Solverde 1 | AES Distributed Energy | Lancaster, CA | 197 GWh | Nov 2016 | Jul 2026 | Solar |
| Antelope Expansion 3B | AES Distributed Energy | Lancaster, CA | 13 GWh | May 2021 | Dec 2025 | Solar |
| San Pablo Raceway | AES Distributed Energy | Lancaster, CA | 197 GWh | Jul 2019 | Jul 2026 | Solar |
| Antelope Expansion 3A | AES Distributed Energy | Lancaster, CA | 40 GWh | May 2021 | Dec 2025 | Solar |
| Antelope Expansion 1B | AES Distributed Energy | Lancaster, CA | 47 GWh | Oct 2022 | Dec 2025 | Solar |
| Bayshore Solar B, LLC | AES Distributed Energy | Lancaster, CA | 42 GWh | Nov 2017 | Dec 2025 | Solar |
| SEPV Sierra | SEPV Sierra, LLC | Lancaster, CA | 5 GWh | Mar 2020 | Dec 2025 | Solar |
| Foundation CDCR LAC | Foundation CA Fund VIII Manager, LLC | Lancaster, CA | 4 GWh | Nov 2017 | Dec 2025 | Wind |
| Raceway Solar & Storage | AES Clean Energy | Lancaster, CA | 352 GWh | Apr 2024 | Jul 2026 | Solar |
| TA-Acacia, LLC | Onward Energy | Lancaster, CA | 48 GWh | Oct 2014 | Dec 2025 | Solar |
| Lancaster WAD B | AES Distributed Energy | Lancaster, CA | 7 GWh | Mar 2017 | 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 |
| Estrella Solar & Storage | AES Clean Energy | Lancaster, CA | 155 GWh | Nov 2023 | Jul 2026 | Solar |
| Morgan Lancaster 1 | Terraform Arcadia | Lancaster, CA | 818 MWh | Aug 2015 | Dec 2025 | Solar |
| Bayshore Solar C, LLC | AES Distributed Energy | Lancaster, CA | 41 GWh | Nov 2017 | Dec 2025 | Solar |
| Portal | Southern California Edison Co | Lakeshore, CA | 26 GWh | Nov 1956 | Dec 2025 | Water |
| MM Lopez Energy | MM Lopez Energy LLC | Lake View Terrace, CA | 26 GWh | Nov 1998 | Dec 2025 | Landfill Gas |
| Isabella Hydro Project | Isabella Partners | Lake Isabella, CA | 32 GWh | Nov 1990 | Dec 2025 | Water |
| Lake Elsinore Canopies - Lakeside HS | Standard Solar | Lake Elsinore, CA | 2 GWh | Feb 2022 | Dec 2025 | Solar |
| Gilead Sciences La Verne Rooftop Solar | Gilead Sciences, Inc. - La Verne | La Verne, CA | 2 GWh | Jun 2021 | Dec 2025 | Solar |
| Weymouth Solar Plant | Metropolitan Water District of S CA | La Verne, CA | 3 GWh | May 2016 | Dec 2025 | Solar |
| Staples La Mirada, CA | SunE WF3-ST Holdings, LLC | La Mirada, CA | 1 GWh | Feb 2009 | Dec 2025 | Solar |
| Biola University Hybrid | Biola University | La Mirada, CA | 13 GWh | Mar 1990 | Jul 2026 | Natural Gas |
| Grossmont Hospital | Sharp Grossmont Hospital | La Mesa, CA | 29 GWh | Jul 1983 | Dec 2025 | Natural Gas |
| PFMG Solar Grossmont Helix LLC | Altus Power America Management, LLC | La Mesa, CA | 2 GWh | Apr 2018 | Dec 2025 | Solar |
| University of California San Diego Hybri | University of California San Diego | La Jolla, CA | 227 GWh | Jun 2001 | Jul 2026 | Natural Gas |
| Univ of California San Diego Solar | University of California San Diego | La Jolla, CA | 4 GWh | Nov 2008 | Dec 2025 | Solar |
| Kroger La Habra | Ralph's Grocery Company | La Habra, CA | 2 GWh | Mar 2020 | Dec 2024 | Solar |
| Kingsburg Cogen | KES Kingsburg LP | Kingsburg, CA | 8 GWh | Nov 1990 | Sep 2025 | Natural Gas |
| Kingsburg Solar | Altus Power America Management, LLC | Kingsburg, CA | 6 GWh | Nov 2013 | Dec 2025 | Solar |
| King City Peaking | Calpine Corp-King City | King City, CA | 5 GWh | Mar 2002 | Dec 2025 | Natural Gas |
| King City Power Plant | Calpine King City Cogen LLC | King City, CA | 28 GWh | Jan 1989 | Jul 2026 | Natural Gas |
| Blackjack Solar | South County Packing | King City, CA | 9 GWh | Nov 2020 | Dec 2025 | Solar |
| Community Solar Utica 1, LLC | AETS OpCo Holdings LLC | Kettleman, CA | 2 GWh | Feb 2025 | Dec 2025 | Solar |
| Kettleman Solar -Centaurus | Boralex US Operations LLC | Kettleman City, CA | 43 GWh | Jun 2015 | Dec 2025 | Solar |
| Kern River 3 | Southern California Edison Co | Kernville, CA | 143 GWh | Feb 1921 | Dec 2025 | Water |
| Dulles | Golden Springs Development Company LLC | Jurupa Valley, CA | 2 GWh | Aug 2016 | Dec 2025 | 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 |
| Rush Creek | Southern California Edison Co | June lake, CA | 30 GWh | Sep 1916 | Dec 2025 | Water |
| Cascade Solar | Cascade Solar LLC | Joshua Tree, CA | 51 GWh | Dec 2013 | Dec 2025 | Solar |
| Pacific-Ultrapower Chinese Station | IHI Power Services Corp | Jamestown, CA | 101 GWh | Sep 1986 | Jul 2026 | Wood/Wood Waste Solids : 98.0% Gaseous Propane : 2.0% |
| Tulloch | Oakdale&South San Joaquin Irrigation D. | Jamestown, CA | 103 GWh | May 1958 | Dec 2025 | Water |
| Sonora 1 | CleanCapital Holdings | Jamestown, CA | 858 MWh | Nov 2013 | Dec 2025 | Solar |
| Jacumba Solar Farm | Invenergy Services LLC | Jacumba, CA | 46 GWh | Jun 2017 | Dec 2025 | Solar |
| Electra | Pacific Gas & Electric Co. | Jackson, CA | 257 GWh | May 1948 | Jul 2026 | Water |
| Irwindale Brew Yard, LLC | Irwindale Brew Yard, LLC | Irwindale, CA | 517 MWh | Jan 2002 | Apr 2025 | Solar : 99.8% |
| B Braun Medical | B Braun Medical Inc | Irvine, CA | 29 GWh | Oct 1982 | Mar 2025 | Natural Gas |
| UCI Facilities Management Central Plant | University of California Irvine | Irvine, CA | 114 GWh | Jun 2007 | Jul 2026 | Natural Gas |
| Bowerman Power LFG, LLC | Bowerman Power LFG, LLC | Irvine, CA | 151 GWh | Mar 2016 | Dec 2025 | Landfill Gas |
| ATT Kelvin | Bloom Energy | Irvine, CA | 8 GWh | Mar 2017 | Dec 2025 | Natural Gas |
| Oaks HOA | Onyx Asset Services Group | Ione, CA | 2 GWh | Mar 2025 | Dec 2025 | Solar |
| Coso Power Developers | Coso Operating Co LLC | Inyokern, CA | 316 GWh | Oct 1989 | Jul 2026 | Geothermal |
| Coso Energy Developers | Coso Operating Co LLC | Inyokern, CA | 235 GWh | Nov 1988 | Dec 2025 | Geothermal |
| Coso Finance Partners | Coso Operating Co LLC | Inyokern, CA | 357 GWh | Jun 1987 | Jul 2026 | Geothermal |
| Industry MetroLink PV 1 | City of Industry - (CA) | Industry, CA | 1 GWh | Mar 2012 | Dec 2025 | Solar |
| Walnut Creek Energy Park | Walnut Creek LLC | Industry, CA | 48 GWh | Mar 2013 | Jul 2026 | Natural Gas |
| Big Creek Water Works | Big Creek Water Works Ltd | Hyampom, CA | 6 GWh | Dec 1986 | May 2026 | Water |
| Gates Solar Station | Pacific Gas & Electric Co. | Huron, CA | 31 GWh | May 2013 | Dec 2025 | Solar |
| Westlands Solar PV Farm | Boralex US Operations LLC | Huron, CA | 39 GWh | Jan 2014 | Dec 2025 | Solar |
| West Gates Solar Station | Pacific Gas & Electric Co. | Huron, CA | 14 GWh | Apr 2013 | Dec 2025 | Solar |
| Huron Solar Station | Pacific Gas & Electric Co. | Huron, CA | 28 GWh | May 2012 | Dec 2025 | Solar |
| Fifth Standard Solar PV, LLC (Hybrid) | RWE Clean Energy | Huron, CA | 338 GWh | Aug 2023 | Jul 2026 | 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 |