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 | Jun 2025 |
| Annual Generation | 190.4 TWh |
| Power Plants | 1,943 |
| Utilities | 893 |
| 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 | 44% Solar | 24.9% Water | 11.3% Wind | 10.6% Nuclear | 9.7% |
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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 DSR 3 | AES Distributed Energy | Lancaster, CA | 36 GWh | Aug 2019 | Dec 2023 | Solar |
| USPS PV | Altus Power America Management, LLC | Los Angeles, CA | 11 GWh | Jun 2017 | Dec 2023 | Solar |
| Redlands Community Hospital | Bloom Energy | Redlands, CA | 9 GWh | May 2021 | Dec 2023 | Natural Gas |
| Green Beanworks D PV | AES Distributed Energy | Palmdale, CA | 6 GWh | Jul 2018 | Dec 2023 | Solar |
| Green Beanworks C PV | AES Distributed Energy | Palmdale, CA | 7 GWh | Jul 2018 | Dec 2023 | Solar |
| Taylor Farms - Schilling Place | Bloom Energy | Salinas, CA | 6 GWh | Jun 2019 | Dec 2023 | Natural Gas |
| AT&T Anaheim | Bloom Energy | Anaheim, CA | 8 GWh | Aug 2016 | Dec 2023 | Natural Gas |
| AT&T Holger | Bloom Energy | San Jose, CA | 7 GWh | May 2016 | Dec 2023 | Natural Gas |
| Bakersfield Industrial PV 1 | AES Distributed Energy | Bakersfield, CA | 2 GWh | Nov 2017 | Dec 2023 | Solar |
| Bakersfield PV 1 | AES Distributed Energy | Bakersfield, CA | 7 GWh | Nov 2017 | Dec 2023 | Solar |
| Delano Land 1 | AES Distributed Energy | Delano, CA | 990 MWh | Nov 2017 | Dec 2023 | Solar |
| Manteca Land PV | AES Distributed Energy | Manteca, CA | 444 MWh | Nov 2017 | Dec 2023 | Solar |
| Foundation Scheid Vineyards | Foundation CA Fund VIII Manager, LLC | Greenfield, CA | 4 GWh | Aug 2017 | Dec 2023 | Wind |
| Foundation CDCR LAC | Foundation CA Fund VIII Manager, LLC | Lancaster, CA | 4 GWh | Nov 2017 | Dec 2023 | Wind |
| Marin Clean Energy Solar One | AES Distributed Energy | Richmond, CA | 20 GWh | Nov 2017 | Dec 2023 | Solar |
| SCDA Solar 1 | SCDA Solar 1, LLC | Sacramento, CA | 12 GWh | Sep 2017 | Dec 2023 | Solar |
| Clovis High School | Tesla Inc. | Clovis, CA | 1 GWh | Mar 2018 | Dec 2023 | Solar |
| Ramona Solar Energy | San Diego Gas & Electric Co | Ramona, CA | 3 GWh | Mar 2017 | Dec 2023 | Solar |
| Lindberg Field Solar 2 | Lindberg Field Solar 2, LLC | San Diego, CA | 3 GWh | Jan 2017 | Dec 2023 | Solar |
| NextEra Westside PV | Westside Solar, LLC | Five Points, CA | 48 GWh | Feb 2017 | Dec 2023 | Solar |
| CSUF Nutwood Solar | MN8 Energy LLC | Fullerton, CA | 3 GWh | Nov 2016 | Dec 2023 | Solar |
| CSUF State College | MN8 Energy LLC | Fullerton, CA | 2 GWh | Nov 2016 | Dec 2023 | Solar |
| Clovis East High School | Tesla Inc. | Clovis, CA | 1 GWh | Mar 2018 | Dec 2023 | Solar |
| Whitney Point Solar | Whitney Point Solar, LLC | Five Points, CA | 50 GWh | Feb 2017 | Dec 2023 | Solar |
| Jacumba Solar Farm | Invenergy Services LLC | Jacumba, CA | 43 GWh | Jun 2017 | Dec 2023 | Solar |
| Verwey-Hanford Dairy Digester #1 | AlsoEnergy | Hanford, CA | 360 MWh | Sep 2016 | Dec 2023 | Other Biomass Gas |
| Solar Star California, XLIV, LLC | MN8 Energy LLC | Pearblossom, CA | 24 GWh | Nov 2016 | Dec 2023 | Solar |
| Genentech Vacaville Meter #1 | Tesla Inc. | Vacaville, CA | 12 GWh | Apr 2017 | Dec 2023 | Solar |
| Clovis North High School | Tesla Inc. | Fresno, CA | 1 GWh | Nov 2017 | Dec 2023 | Solar |
| San Manuel Central Plant Cogens | San Manuel Mission Band of Indians | Highland, CA | 27 GWh | May 2021 | Dec 2023 | Natural Gas |
| Cloverdale Solar Center | Adapture Renewables, Inc. | Cloverdale, CA | 2 GWh | Apr 2019 | Dec 2023 | Solar |
| SunAnza | Arizona Electric Pwr Coop Inc | Anza, CA | 8 GWh | Aug 2017 | Dec 2023 | Solar |
| PVN Milliken, LLC | PVN Milliken, LLC | Ontario, CA | 5 GWh | May 2017 | Dec 2023 | Solar |
| Henry Miller RD | Henry Miller Reclamation District | Dos Palos, CA | 3 GWh | Sep 2018 | Dec 2023 | Solar |
| BCE Los Alamitos 2 | Bright Canyon Energy | Los Alamitos, CA | 3 GWh | Jul 2023 | Dec 2023 | Solar |
| San Joaquin Solar | GASNA 6P, LLC | Helm, CA | 37 GWh | Sep 2018 | Dec 2023 | Solar |
| BCE Los Alamitos 1 | Bright Canyon Energy | Los Alamitos, CA | 4 GWh | Jul 2023 | Dec 2023 | Solar |
| 9150 Hermosa Solar GM | Valta Energy | Rancho Cucamonga, CA | 3 GWh | Nov 2022 | Dec 2023 | Solar |
| Solar Blythe 2 | NRG Solar Blythe II LLC | Blythe, CA | 41 GWh | Mar 2017 | Dec 2023 | Solar |
| NLP Granger | Heelstone Energy Holdings, LLC | Valley Center, CA | 6 GWh | Aug 2016 | Dec 2023 | Solar |
| Valley Center | Heelstone Energy Holdings, LLC | Valley Center, CA | 4 GWh | Nov 2016 | Dec 2023 | Solar |
| Redwood 4 Solar Farm | 54 KR 8me LLC | Edison, CA | 42 GWh | Nov 2017 | Dec 2023 | Solar |
| Longboat Solar, LLC | Duke Energy Renewables Services | Barstow, CA | 25 GWh | Nov 2016 | Dec 2023 | Solar |
| Bayshore Solar A, LLC | AES Distributed Energy | Lancaster, CA | 47 GWh | Nov 2017 | Dec 2023 | Solar |
| Bayshore Solar C, LLC | AES Distributed Energy | Lancaster, CA | 46 GWh | Nov 2017 | Dec 2023 | Solar |
| Bayshore Solar B, LLC | AES Distributed Energy | Lancaster, CA | 45 GWh | Nov 2017 | Dec 2023 | Solar |
| Corcoran | Terraform Arcadia | Corcoran, CA | 2 GWh | Dec 2013 | Dec 2023 | Solar |
| E&B Resources | Terraform Arcadia | Bakersfield, CA | 2 GWh | Nov 2013 | Dec 2023 | Solar |
| CA Dept of Public Health at Richmond | California PV Energy LLC | Richmond, CA | 4 GWh | Dec 2016 | Dec 2023 | Solar |
| RCWD PV Project | MN8 Energy LLC | Murrieta, CA | 8 GWh | May 2016 | Dec 2023 | Solar |
| Munro Valley Solar | Ecos Energy LLC | Olancha, CA | 8 GWh | Sep 2016 | Dec 2023 | Solar |
| RE Garland A | Southern Power Co | Rosamond, CA | 48 GWh | Aug 2016 | Dec 2023 | Solar |
| Santa Rita Jail Fuel Cell | SRJFC, LLC | Dublin, CA | 11 GWh | Nov 2016 | Dec 2023 | Natural Gas |
| Portal Ridge Solar C, LLC | Portal Ridge Solar, LLC | Lancaster, CA | 17 GWh | Jan 2017 | Dec 2023 | Solar |
| Portal Ridge Solar B, LLC | Portal Ridge Solar, LLC | Lancaster, CA | 39 GWh | Jan 2017 | Dec 2023 | Solar |
| City of Rosamond (CA) | Standard Solar | Rosamond, CA | 1 GWh | Apr 2023 | Dec 2023 | Solar |
| Central Antelope Dry Ranch B LLC | Central Antelope Dry Ranch B, LLC | Lancaster, CA | 7 GWh | Aug 2017 | Dec 2023 | Solar |
| Summer Solar LLC | AES Distributed Energy | Lancaster, CA | 41 GWh | Jun 2016 | Dec 2023 | Solar |
| Antelope Big Sky Ranch | AES Distributed Energy | Lancaster, CA | 46 GWh | Jul 2016 | Dec 2023 | Solar |
| Castor Solar | ZGlobal Inc | Dustin Acres, CA | 917 MWh | Mar 2016 | Dec 2023 | Solar |
| Westside Solar Power PV1 | Westside Assets LLC | Lemoore, CA | 5 GWh | Apr 2016 | Dec 2023 | Solar |
| Weymouth Solar Plant | Metropolitan Water District of S CA | La Verne, CA | 5 GWh | May 2016 | Dec 2023 | Solar |
| Silicon Valley Clean Water | Silicon Valley Clean Water | Redwood City, CA | 5 GWh | Feb 2015 | Dec 2023 | Other Biomass Gas : 95.6% Natural Gas : 4.4% |
| Algonquin SKIC 10 Solar, LLC | Algonquin Power Co | Taft, CA | 18 GWh | Dec 2016 | Dec 2023 | Solar |
| RE Garland | Southern Power Co | Rosamond, CA | 384 GWh | Oct 2016 | Dec 2023 | Solar |
| Genentech-Oceanside Hybrid | Tesla Inc. | Oceanside, CA | 5 GWh | Mar 2016 | Dec 2023 | Solar |
| Intel Santa Clara | Bloom Energy | Santa Clara, CA | 7 GWh | Dec 2014 | Dec 2023 | Natural Gas |
| Equinix San Jose | Bloom Energy | San Jose, CA | 8 GWh | Oct 2015 | Dec 2023 | Natural Gas |
| Zero Waste Energy Development Co LLC | Zero Waste Energy Development Company LLC | San Jose, CA | 2 GWh | Jan 2015 | Dec 2023 | Other Biomass Gas |
| Whitethorn Solar LLC | Whitethorn Solar LLC | Livermore, CA | 6 GWh | Jan 2016 | Dec 2023 | Solar |
| Antelope DSR 2 | AES Distributed Energy | Lancaster, CA | 13 GWh | Nov 2016 | Dec 2023 | Solar |
| Blackwell Solar Park | Consolidated Edison Development Inc. | Lost Hills, CA | 40 GWh | Dec 2018 | Dec 2023 | Solar |
| Atwell Island West Solar | Consolidated Edison Development Inc. | Alpaugh, CA | 47 GWh | Apr 2015 | Dec 2023 | Solar |
| Anaheim Solar Energy Plant | Anaheim Public Utilities | Anaheim, CA | 3 GWh | Jul 2014 | Dec 2023 | Solar |
| SCE-Snowline-White Road (South) | SunEdison LLC | Phelan, CA | 3 GWh | Oct 2014 | Dec 2023 | Solar |
| SCE-Snowline-White Road (North) | SunEdison LLC | Phelan, CA | 3 GWh | Oct 2014 | Dec 2023 | Solar |
| SCE-Snowline-White Rd (Central) | SunEdison LLC | Phelan, CA | 4 GWh | Oct 2014 | Dec 2023 | Solar |
| Baker Creek Hydroelectric | Baker Station Associates, LP | Bridgeville, CA | 3 GWh | Oct 2014 | Dec 2023 | Water |
| Sierra Solar Greenworks | AES Distributed Energy | Lancaster, CA | 34 GWh | Oct 2015 | Dec 2023 | Solar |
| Adelanto Solar II, LLC | Adelanto Solar II, LLC | Adelanto, CA | 17 GWh | Jun 2015 | Dec 2023 | Solar |
| Adelanto Solar, LLC | Adelanto Solar, LLC | Adelanto, CA | 55 GWh | Aug 2015 | Dec 2023 | Solar |
| TA-Acacia, LLC | Onward Energy | Lancaster, CA | 53 GWh | Oct 2014 | Dec 2023 | Solar |
| Bowerman Power LFG, LLC | Bowerman Power LFG, LLC | Irvine, CA | 161 GWh | Mar 2016 | Dec 2023 | Landfill Gas |
| Alamo Solar | Onward Energy | Oro Grande, CA | 44 GWh | Apr 2015 | Dec 2023 | Solar |
| Apple Campus 2 PV | Apple, Inc | Cupertino, CA | 16 GWh | May 2017 | Dec 2023 | Solar |
| Giffen Solar Park | Giffen Solar Park, LLC | Cantua Creek, CA | 22 GWh | May 2017 | Dec 2023 | Solar |
| Five Points Solar Park | Five Points Solar Park, LLC | Five Points, CA | 102 GWh | Aug 2016 | Dec 2023 | Solar |
| Terra Francesco | Altus Power America Management, LLC | Ontario, CA | 2 GWh | Feb 2015 | Dec 2023 | Solar |
| Maricopa West Solar PV, LLC | Onward Energy | Taft, CA | 41 GWh | Nov 2015 | Dec 2023 | Solar |
| Nicolis Solar PV Plant | Arevon Energy, Inc. | Delano, CA | 44 GWh | Aug 2016 | Dec 2023 | Solar |
| Tropico Solar PV Plant | Arevon Energy, Inc. | Delano, CA | 30 GWh | Aug 2016 | Dec 2023 | Solar |
| Colton Solar Two, LLC | Colton Solar Two, LLC | Colton, CA | 1 GWh | Mar 2015 | Dec 2023 | Solar |
| Colton Solar One, LLC | Colton Solar One, LLC | San Bernardino, CA | 2 GWh | May 2015 | Dec 2023 | Solar |
| Apple Campus 2 Fuel Cell | Apple, Inc | Cupertino, CA | 26 GWh | May 2017 | Dec 2023 | Landfill Gas |
| Vega Solar | Vega Solar, LLC | Los Banos, CA | 48 GWh | Feb 2015 | Dec 2023 | Solar |
| Coronus Adelanto West 2 | Clean Focus Yield, LLC | Adelanto, CA | 3 GWh | Dec 2014 | Dec 2023 | Solar |
| Sunny Cow Solar, LLC | Sunny Cow Solar, LLC | Bakersfield, CA | 847 MWh | Sep 2023 | Dec 2023 | Solar |
| Solar Oasis LLC | Solar Oasis, LLC | Palmdale, CA | 51 GWh | Dec 2015 | Dec 2023 | Solar |
| Coronus Adelanto West 1 | Clean Focus Yield, LLC | Adelanto, CA | 3 GWh | Dec 2014 | Dec 2023 | Solar |
| Corcoran Solar 2 | Consolidated Edison Development Inc. | Corcoran, CA | 47 GWh | Apr 2015 | Dec 2023 | Solar |
Surrounding Balancing Authorities
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #26 | Arizona Public Service Company | 23.0 TWh | 75 |
| #55 | Arlington Valley, LLC | 3.4 TWh | 1 |
| #35 | Balancing Authority of Northern California | 15.1 TWh | 83 |
| #48 | Imperial Irrigation District | 5.9 TWh | 65 |
| #33 | Los Angeles Department of Water and Power | 17.7 TWh | 120 |
| #22 | Nevada Power Company | 38.2 TWh | 136 |
| #54 | New Harquahala Generating Company, LLC | 3.5 TWh | 1 |
| #18 | Salt River Project Agricultural Improvement and Power District | 58.7 TWh | 45 |
| #58 | Turlock Irrigation District | 2.1 TWh | 11 |
| #44 | Western Area Power Administration - Desert Southwest Region | 8.1 TWh | 30 |
Balancing Authorities with Similar Net Generation
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #3 | Electric Reliability Council of Texas, Inc. | 476.4 TWh | 1,139 |
| #5 | Southwest Power Pool | 297.0 TWh | 762 |
| #6 | Southern Company Services, Inc. - Trans | 252.0 TWh | 393 |
| #7 | California Independent System Operator | 190.4 TWh | 1,943 |
| #8 | Tennessee Valley Authority | 158.8 TWh | 170 |
| #10 | Florida Power & Light Co. | 148.6 TWh | 159 |
| #12 | New York Independent System Operator | 130.6 TWh | 1,100 |
| #13 | Duke Energy Carolinas | 111.4 TWh | 556 |
| #15 | ISO New England | 103.1 TWh | 1,487 |
| #16 | Bonneville Power Administration | 82.1 TWh | 158 |