Directory of Power Plants in Arizona
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Intel - Ocotillo Campus Solar | Tesla Inc. | Chandler, AZ | Arizona Public Service Company (AZPS) | 3.1 GWh | Nov 2017 | Dec 2025 | Solar |
| Hyder Solar Hybrid | Arizona Public Service Co | Hyder, AZ | Arizona Public Service Company (AZPS) | 31.2 GWh | Oct 2011 | Dec 2025 | Solar |
| Hyder II Hybrid | Arizona Public Service Co | Hyder, AZ | Arizona Public Service Company (AZPS) | 25.3 GWh | Nov 2013 | Dec 2025 | Solar |
| Horse Mesa | Salt River Project | Apache Junction, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 93.2 GWh | Mar 1927 | Jun 2026 | Water |
| Hoover Dam (AZ) | U S Bureau of Reclamation | Boulder City, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 1.3 TWh | Aug 1936 | Jun 2026 | Water |
| Headgate Rock | Colorado River Indian Irr Proj | Parker, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 40.9 GWh | Feb 1993 | Dec 2025 | Water |
| Harquahala Sun Solar Project | Copia Power | Tonopah, AZ | Arizona Public Service Company (AZPS) | 464.4 GWh | Mar 2025 | Jun 2026 | Solar |
| Harquahala Generating Project | New Harquahala Generating Co, LLC | Tonopah, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 3.1 TWh | May 2004 | Jun 2026 | Natural Gas |
| Harquahala 2 | Copia Power | Tonopah, AZ | Arizona Public Service Company (AZPS) | 845.1 GWh | Mar 2025 | Jun 2026 | Solar |
| H Wilson Sundt Generating Station | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 1.9 TWh | Nov 1958 | Jun 2026 | Natural Gas |
| Griffith Energy LLC | Griffith Energy LLC | Golden Valley, AZ | Griffith Energy, LLC (GRIF) | 3.8 TWh | Dec 2001 | Jun 2026 | Natural Gas |
| Gray Hawk Solar | Gray Hawk Solar, LLC | Kingman, AZ | Tucson Electric Power (TEPC) | 139.9 GWh | May 2018 | Jun 2026 | Solar |
| Glen Canyon Dam | U S Bureau of Reclamation | Page, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 2.3 TWh | Aug 1964 | Jun 2026 | Water |
| Gilbert Solar Facility I, LLC | Gilbert Solar Facility I, LLC | Gilbert, AZ | Arizona Public Service Company (AZPS) | 4.0 GWh | Sep 2011 | Dec 2025 | Solar |
| Gila River Power Block 4 | Salt River Project | Gila Bend, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.2 TWh | Apr 2003 | Jun 2026 | Natural Gas |
| Gila River Power Block 3 | Salt River Project | Gila Bend, AZ | Tucson Electric Power (TEPC) | 3.1 TWh | May 2003 | Jun 2026 | Natural Gas |
| Gila River Power Block 2 | Salt River Project | Gila Bend, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.4 TWh | May 2003 | Jun 2026 | Natural Gas |
| Gila River Power Block 1 | Salt River Project | Gila Bend, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.9 TWh | Apr 2003 | Jun 2026 | Natural Gas |
| Gila Bend Hybrid | Arizona Public Service Co | Gila Bend, AZ | Arizona Public Service Company (AZPS) | 72.1 GWh | Sep 2014 | Dec 2025 | Solar |
| Gato Montes Solar, LLC | Deriva Energy | Tucson, AZ | Tucson Electric Power (TEPC) | 7.4 GWh | Nov 2012 | Dec 2025 | Solar |
| Fort Huachuca Solar PV Project | Tucson Electric Power Co | Sierra Vista, AZ | Tucson Electric Power (TEPC) | 34.8 GWh | Nov 2014 | Dec 2025 | Solar |
| Foothills Solar Plant Hybrid | Arizona Public Service Co | Yuma, AZ | Arizona Public Service Company (AZPS) | 80.2 GWh | Feb 2013 | Dec 2025 | Solar |
| Estrella Mountain PV | Tesla Inc. | Avondale, AZ | Arizona Public Service Company (AZPS) | 3.1 GWh | May 2019 | Dec 2025 | Solar |
| Eleven Mile Solar Center | Eleven Mile Solar Center, LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 777.5 GWh | May 2024 | Jun 2026 | Solar |
| East Line Solar | AES Distributed Energy | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 232.9 GWh | Nov 2020 | Jun 2026 | Solar |
| Dry Lake Wind LLC | Avangrid Power LLC | Heber, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 98.7 GWh | Jul 2009 | Jun 2026 | Wind |
| Douglas | Arizona Public Service Co | Douglas, AZ | Arizona Public Service Company (AZPS) | 218.0 MWh | Apr 1972 | Dec 2025 | Distillate Fuel Oil |
| Desert Star Hybrid | Arizona Public Service Co | Buckeye, AZ | Arizona Public Service Company (AZPS) | 24.2 GWh | Aug 2015 | Dec 2025 | Solar |
| Desert Basin | Salt River Project | Casa Grande, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.4 TWh | Sep 2001 | Jun 2026 | Natural Gas |
| Demoss Petrie | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 2.1 GWh | May 2001 | Dec 2025 | Natural Gas |
| Davis Monthan AFB (AZ) West Airfield | MN8 Energy LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 29.5 GWh | Dec 2013 | Dec 2025 | Solar |
| Davis Dam | U S Bureau of Reclamation | Kingman, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 906.0 GWh | Dec 1950 | Dec 2025 | Water |
| Cotton Center Solar Hybrid | Arizona Public Service Co | Gila Bend, AZ | Arizona Public Service Company (AZPS) | 29.4 GWh | Oct 2011 | Dec 2025 | Solar |
| Coronado | Salt River Project | St Johns, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.6 TWh | Nov 1979 | Jun 2026 | Subbituminous Coal : 99.6% |
| Copper Crossing Energy and Research Cent | Salt River Project | Florence, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 4.3 GWh | Apr 2024 | Dec 2025 | Natural Gas |
| Coolidge Generation Station | Salt River Project | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 59.6 GWh | Apr 2011 | Jun 2026 | Natural Gas |
| Cogenra - TEP | Terraform Arcadia | Tucson, AZ | Tucson Electric Power (TEPC) | 1.9 GWh | Jun 2014 | Dec 2025 | Solar |
| Cogeneration 2 | University of Arizona | Tucson, AZ | Tucson Electric Power (TEPC) | 39.4 GWh | Oct 2002 | Jun 2026 | Natural Gas |
| Cogeneration 1 | University of Arizona | Tucson, AZ | Tucson Electric Power (TEPC) | 54.0 GWh | Oct 2002 | Jun 2026 | Natural Gas |
| Cholla | Arizona Public Service Co | Joseph City, AZ | Arizona Public Service Company (AZPS) | 1.3 TWh | Apr 1962 | Mar 2025 | Subbituminous Coal : 99.9% |
| Chino Valley Solar | Arizona Public Service Co | Chino Valley, AZ | Arizona Public Service Company (AZPS) | 33.1 GWh | Nov 2012 | Dec 2025 | Solar |
| Chevelon Butte Wind Farm | AES Clean Energy | Winslow, AZ | Arizona Public Service Company (AZPS) | 599.1 GWh | Apr 2023 | Jun 2026 | Wind |
| Chevelon Butte Phase 2 | AES Clean Energy | Winslow, AZ | Arizona Public Service Company (AZPS) | 503.2 GWh | Mar 2024 | Jun 2026 | Wind |
| Central Line Solar, LLC | AES Distributed Energy | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 247.7 GWh | Mar 2022 | Jun 2026 | Solar |
| Centennial Flats | Copia Power | Salome, AZ | Arizona Public Service Company (AZPS) | 18.1 GWh | - | Jun 2026 | Solar |
| Catclaw Solar | 311SV 8me, LLC | Buckeye, AZ | Arizona Public Service Company (AZPS) | 43.1 GWh | - | Jun 2026 | Solar |
| Canyon Del Oro High School Solar | Luminace Solar Arizona 2, LLC | Oro Valley, AZ | Tucson Electric Power (TEPC) | 2.2 GWh | Oct 2016 | Dec 2025 | Solar |
| Buckeye Union HS District 201 | Luminace Solar Arizona, LLC | Buckeye, AZ | Arizona Public Service Company (AZPS) | 6.8 GWh | Nov 2011 | Dec 2025 | Solar |
| Broadway 3 - Tucson Phase I | MN8 Energy LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 1.1 GWh | Feb 2011 | Dec 2025 | Solar |
| Broadway 2 - Tucson Phase II | MN8 Energy LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 4.8 GWh | Nov 2013 | Nov 2025 | Solar |
| Brittlebush Solar | Randolph Solar Park LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 524.2 GWh | Oct 2024 | Jun 2026 | Solar |
| Box Canyon (AZ) | BOCA bn, LLC | Florence, AZ | Arizona Public Service Company (AZPS) | 869.9 GWh | May 2025 | Jun 2026 | Solar |
| Bonnybrooke PV | Salt River Project | Florence, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 90.8 GWh | Oct 2016 | Dec 2025 | Solar |
| Black Mountain Solar LLC | Deriva Energy | Golden Valley, AZ | Arizona Public Service Company (AZPS) | 19.2 GWh | Nov 2012 | Dec 2025 | Solar |
| Black Mountain Generating Station | UNS Electric, Inc | Golden Valley, AZ | Tucson Electric Power (TEPC) | 55.2 GWh | Apr 2008 | Dec 2025 | Natural Gas |
| Banner Solar Ironwood | Banner Solar Ironwood LLC | Queen Creek, AZ | Arizona Public Service Company (AZPS) | 4.0 GWh | Nov 2021 | Dec 2025 | Solar |
| Badger 1 | Desert Sky Solar LLC | Tonopah, AZ | Arizona Public Service Company (AZPS) | 29.6 GWh | Oct 2013 | Dec 2025 | Solar |
| Babbitt Ranch Energy Center | Babbitt Ranch Energy Center, LLC | Flagstaff, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 545.7 GWh | Jun 2024 | Jun 2026 | Wind |
| Babacomari Solar | Babacomari Solar, LLC | Huachuca, AZ | Tucson Electric Power (TEPC) | 203.8 GWh | - | Jun 2026 | Solar |
| AZ State University - Tempe Campus Solar | Arizona State University FDM | Tempe, AZ | Arizona Public Service Company (AZPS) | 1.9 GWh | Nov 2003 | Dec 2025 | Solar |
| Avra Valley Solar | Solar Avra Valley LLC | Marana, AZ | Tucson Electric Power (TEPC) | 61.5 GWh | Dec 2012 | Dec 2025 | Solar |
| Avalon Solar II | Avalon Solar Partners II, LLC | Sahuarita, AZ | Tucson Electric Power (TEPC) | 42.9 GWh | Feb 2016 | Dec 2025 | Solar |
| Avalon Solar | Arevon Energy, Inc. | Pima, AZ | Tucson Electric Power (TEPC) | 64.2 GWh | Nov 2014 | Dec 2025 | Solar |
| Arlington Valley Solar Energy II | Arlington Valley Solar Energy II LLC | Arlington, AZ | Arizona Public Service Company (AZPS) | 336.0 GWh | Mar 2013 | Dec 2025 | Solar |
| Arlington Valley Solar Energy I | RWE Clean Energy | Arlington, AZ | Arizona Public Service Company (AZPS) | 106.2 GWh | - | Jun 2026 | Solar |
| Arlington Valley Energy Facility | Arlington Valley LLC | Arlington, AZ | Arlington Valley, LLC (DEAA) | 3.2 TWh | May 2002 | Jun 2026 | Natural Gas |
| Arizona Western College PV | AES Distributed Energy | Yuma, AZ | Arizona Public Service Company (AZPS) | 4.5 GWh | Oct 2011 | Dec 2025 | Solar |
| Arizona State University CHP | Energy Center Phoenix LLC | Tempe, AZ | Arizona Public Service Company (AZPS) | 39.4 GWh | Mar 2006 | Jun 2026 | Natural Gas |
| Apache Station | Arizona Electric Pwr Coop Inc | Cochise, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 2.0 TWh | Jan 1963 | Jun 2026 | Natural Gas : 89.5% Subbituminous Coal : 10.5% |
| Apache Solar I | Arizona Electric Pwr Coop Inc | Cochise, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 55.4 GWh | Sep 2017 | Dec 2025 | Solar |
| Amphitheater High School Solar | Luminace Solar Arizona 2, LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 1.9 GWh | Nov 2016 | Dec 2025 | Solar |
| Amazon TUS2 | SkyHigh 2 Solar | Tucson, AZ | Tucson Electric Power (TEPC) | 5.5 GWh | May 2022 | Dec 2025 | Solar |
| Amazon Goodyear | Westbound Solar 3, LLC | Goodyear, AZ | Arizona Public Service Company (AZPS) | 5.1 GWh | Jun 2023 | Dec 2025 | Solar |
| Agua Fria | Salt River Project | Glendale, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 221.4 GWh | Mar 1957 | Jun 2026 | Natural Gas : 99.9% |
| Agua Caliente Solar Project | Agua Caliente Solar | Dateland, AZ | California Independent System Operator (CISO) | 514.5 GWh | Apr 2012 | Jun 2026 | Solar |
| Agave | Arizona Public Service Co | Arlington, AZ | Arizona Public Service Company (AZPS) | 303.6 GWh | Aug 2023 | Jun 2026 | Solar |
| Actus Lend Lease DMAFB | Tesla Inc. | Tucson, AZ | Tucson Electric Power (TEPC) | 2.5 GWh | Nov 2009 | Dec 2024 | Solar |
Browse Power Plants By Arizona Counties
Figures are based on December 2025 generation numbers.| County | State Rank | Active Plants | Dec 2025 Generation |
|---|---|---|---|
| Santa Cruz County, AZ | # 13 | 2 | 9.8 GWh |
| Gila County, AZ | # 12 | 2 | 48.8 GWh |
| Yavapai County, AZ | # 11 | 7 | 92.2 GWh |
| La Paz County, AZ | # 10 | 17 | 112.4 GWh |
| Navajo County, AZ | # 9 | 11 | 2.1 TWh |
| Yuma County, AZ | # 8 | 17 | 2.8 TWh |
| Cochise County, AZ | # 7 | 13 | 2.9 TWh |
| County | State Rank | Active Plants | Dec 2025 Generation |
|---|---|---|---|
| Pima County, AZ | # 6 | 42 | 3.1 TWh |
| Coconino County, AZ | # 5 | 11 | 4.2 TWh |
| Pinal County, AZ | # 4 | 28 | 6.4 TWh |
| Apache County, AZ | # 3 | 4 | 7.9 TWh |
| Mohave County, AZ | # 2 | 18 | 10.2 TWh |
| Maricopa County, AZ | # 1 | 97 | 78.0 TWh |