Directory of Power Plants in California
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| IGS KSBD | Altus Power America Management, LLC | Highland, CA | California Independent System Operator (CISO) | 9.1 GWh | Feb 2022 | Dec 2025 | Solar |
| IGS OXR1 | Greenbacker Renewable Energy Corporation | Oxnard, CA | California Independent System Operator (CISO) | 9.3 GWh | Jul 2024 | Dec 2025 | Solar |
| IGS SBD1 | Altus Power America Management, LLC | Bloomington, CA | Los Angeles Department of Water and Power (LDWP) | 4.9 GWh | Jan 2023 | Dec 2025 | Solar |
| IGS SBD2 | Altus Power America Management, LLC | San Bernardino, CA | Los Angeles Department of Water and Power (LDWP) | 4.9 GWh | Jan 2023 | Dec 2025 | Solar |
| Illumina Way SD | Bloom Energy | San Diego, CA | California Independent System Operator (CISO) | 27.5 GWh | Aug 2019 | Dec 2025 | Natural Gas |
| Imperial Solar Energy Center South | CSOLAR IV South LLC | Calexico, CA | California Independent System Operator (CISO) | 251.1 GWh | Oct 2013 | Dec 2025 | Solar |
| Imperial Solar Energy Center West | CSOLAR IV West LLC | Seeley, CA | California Independent System Operator (CISO) | 357.0 GWh | Mar 2016 | Dec 2025 | Solar |
| Imperial Valley Solar Co (IVSC) 2, LLC | Onward Energy | Niland, CA | Imperial Irrigation District (IID) | 43.9 GWh | May 2015 | Dec 2025 | Solar |
| Imperial Valley Solar Company 1 LLC | Imperial Irrigation District | Niland, CA | Imperial Irrigation District (IID) | 33.1 GWh | May 2012 | Dec 2025 | Solar |
| Imperial Valley Solar, LLC | Imperial Valley Solar, LLC | Calexico, CA | California Independent System Operator (CISO) | 441.7 GWh | Oct 2013 | Dec 2025 | Solar |
| Improvement Dst No. 4 | Kern County Water Agency - (CA) | Bakersfield, CA | California Independent System Operator (CISO) | 12.0 MWh | Dec 2008 | Dec 2024 | Solar |
| Indian Valley Dam Hydro Project | Yolo County Flood Control WCD | Clearlake Oaks, CA | California Independent System Operator (CISO) | 11.2 GWh | Sep 1983 | Aug 2025 | Water |
| Indigo Energy Facility | Diamond Generating Corporation | North Palm Springs, CA | California Independent System Operator (CISO) | 6.2 GWh | Jun 2001 | Dec 2025 | Natural Gas |
| Industry MetroLink PV 1 | City of Industry - (CA) | Industry, CA | California Independent System Operator (CISO) | 1.4 GWh | Mar 2012 | Dec 2025 | Solar |
| Industry Solar Power Generation Station | AES Distributed Energy | Adelanto, CA | California Independent System Operator (CISO) | 4.3 GWh | Nov 2013 | Dec 2025 | Solar |
| Intel Folsom | Tesla Inc. | Folsom, CA | Balancing Authority of Northern California (BANC) | 1.3 GWh | Jun 2010 | Dec 2025 | Solar |
| Intel Folsom Phase 2 | Tesla Inc. | Folsom, CA | Balancing Authority of Northern California (BANC) | 1.5 GWh | Sep 2012 | Dec 2025 | Solar |
| Intel Folsom Phase 3 | Tesla Inc. | Folsom, CA | Balancing Authority of Northern California (BANC) | 9.1 GWh | Mar 2016 | Dec 2025 | Solar |
| Intel Santa Clara | Bloom Energy | Santa Clara, CA | California Independent System Operator (CISO) | 6.9 GWh | Dec 2014 | Dec 2025 | Natural Gas |
| IOS II-LAX9 | Madison Energy Holdings LLC | Fontana, CA | California Independent System Operator (CISO) | 3.5 GWh | Jan 2020 | Dec 2025 | Solar |
| IPC 25 Solar | Prologis Logistics Services Incorporated | Tracy, CA | California Independent System Operator (CISO) | 4.9 GWh | Jun 2024 | Dec 2025 | Solar |
| Ironwood Solar LLC | Altus Power America Management, LLC | Blythe, CA | California Independent System Operator (CISO) | 7.3 GWh | Mar 2012 | Dec 2025 | Solar |
| Irwindale Brew Yard, LLC | Irwindale Brew Yard, LLC | Irwindale, CA | California Independent System Operator (CISO) | 517.0 MWh | Jan 2002 | Apr 2025 | Solar : 99.8% |
| Isabella Hydro Project | Isabella Partners | Lake Isabella, CA | California Independent System Operator (CISO) | 32.1 GWh | Nov 1990 | Dec 2025 | Water |
| ISH Solar Hospital Downey | Kaiser Permanente | Downey, CA | California Independent System Operator (CISO) | 1.4 GWh | Aug 2011 | Dec 2025 | Solar |
| ISH Solar Hospital SDMC | Kaiser Permanente | San Diego, CA | California Independent System Operator (CISO) | 1.4 GWh | Nov 2011 | Dec 2025 | Solar |
| Ivanhoe Solar | Altus Power America Management, LLC | Visalia, CA | California Independent System Operator (CISO) | 5.3 GWh | Dec 2013 | Dec 2025 | Solar |
| Ivanpah 1 | NRG Energy Services | Nipton, CA | California Independent System Operator (CISO) | 197.1 GWh | Nov 2013 | May 2026 | Solar : 96.2% Natural Gas : 3.8% |
| Ivanpah 2 | NRG Energy Services | Nipton, CA | California Independent System Operator (CISO) | 236.1 GWh | Nov 2013 | May 2026 | Solar : 96.8% Natural Gas : 3.2% |
| Ivanpah 3 | NRG Energy Services | Nipton, CA | California Independent System Operator (CISO) | 211.3 GWh | Nov 2013 | May 2026 | Solar : 96.5% Natural Gas : 3.5% |
| IVC Solar | Imperial Irrigation District | Imperial, CA | Imperial Irrigation District (IID) | 4.2 GWh | Nov 2016 | Dec 2025 | Solar |
Browse Power Plants By California Counties
Figures are based on May 2026 generation numbers.| County | State Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Alameda County, CA | # 19 | 51 | 2.6 TWh |
| Amador County, CA | # 34 | 8 | 610.5 GWh |
| Butte County, CA | # 15 | 25 | 3.5 TWh |
| Calaveras County, CA | # 36 | 6 | 502.3 GWh |
| Colusa County, CA | # 23 | 4 | 2.2 TWh |
| Contra Costa County, CA | # 5 | 59 | 12.7 TWh |
| El Dorado County, CA | # 27 | 15 | 1.6 TWh |
| Fresno County, CA | # 8 | 127 | 7.3 TWh |
| Glenn County, CA | # 55 | 2 | 12.1 GWh |
| Humboldt County, CA | # 39 | 10 | 442.1 GWh |
| Imperial County, CA | # 7 | 84 | 9.9 TWh |
| Inyo County, CA | # 31 | 23 | 1.1 TWh |
| Kern County, CA | # 1 | 317 | 34.2 TWh |
| Kings County, CA | # 13 | 58 | 4.0 TWh |
| Lake County, CA | # 32 | 10 | 896.8 GWh |
| Lassen County, CA | # 40 | 9 | 337.3 GWh |
| Los Angeles County, CA | # 3 | 319 | 16.8 TWh |
| Madera County, CA | # 30 | 28 | 1.2 TWh |
| Marin County, CA | # 53 | 3 | 28.1 GWh |
| Mariposa County, CA | # 42 | 2 | 272.7 GWh |
| Mendocino County, CA | # 54 | 6 | 12.3 GWh |
| Merced County, CA | # 38 | 33 | 484.8 GWh |
| Mono County, CA | # 35 | 9 | 597.8 GWh |
| Monterey County, CA | # 21 | 29 | 2.3 TWh |
| Napa County, CA | # 51 | 11 | 51.2 GWh |
| Nevada County, CA | # 44 | 12 | 225.0 GWh |
| Orange County, CA | # 20 | 59 | 2.5 TWh |
| Placer County, CA | # 24 | 24 | 1.8 TWh |
| County | State Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Plumas County, CA | # 22 | 13 | 2.2 TWh |
| Riverside County, CA | # 4 | 162 | 14.1 TWh |
| Sacramento County, CA | # 10 | 67 | 5.6 TWh |
| San Benito County, CA | # 43 | 6 | 257.6 GWh |
| San Bernardino County, CA | # 6 | 208 | 12.0 TWh |
| San Diego County, CA | # 12 | 156 | 4.3 TWh |
| San Francisco County, CA | # 47 | 10 | 79.8 GWh |
| San Joaquin County, CA | # 29 | 53 | 1.5 TWh |
| San Luis Obispo County, CA | # 2 | 22 | 20.5 TWh |
| San Mateo County, CA | # 46 | 11 | 131.4 GWh |
| Santa Barbara County, CA | # 41 | 18 | 300.1 GWh |
| Santa Clara County, CA | # 14 | 76 | 3.5 TWh |
| Santa Cruz County, CA | # 49 | 6 | 60.8 GWh |
| Shasta County, CA | # 9 | 46 | 7.2 TWh |
| Sierra County, CA | # 52 | 3 | 29.3 GWh |
| Siskiyou County, CA | # 48 | 8 | 77.3 GWh |
| Solano County, CA | # 16 | 41 | 3.1 TWh |
| Sonoma County, CA | # 11 | 26 | 5.0 TWh |
| Stanislaus County, CA | # 18 | 25 | 2.7 TWh |
| Sutter County, CA | # 25 | 8 | 1.7 TWh |
| Tehama County, CA | # 50 | 7 | 52.9 GWh |
| Trinity County, CA | # 37 | 5 | 488.3 GWh |
| Tulare County, CA | # 26 | 71 | 1.6 TWh |
| Tuolumne County, CA | # 17 | 23 | 2.9 TWh |
| Ventura County, CA | # 33 | 33 | 672.3 GWh |
| Yolo County, CA | # 45 | 15 | 196.2 GWh |
| Yuba County, CA | # 28 | 5 | 1.5 TWh |