Directory of Power Plants in Arizona
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Mormon Flat | Salt River Project | Apache Junction, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 45.7 GWh | Apr 1926 | Dec 2025 | Water |
| Glen Canyon Dam | U S Bureau of Reclamation | Page, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 2.8 TWh | Aug 1964 | Dec 2025 | Water |
| Apache Station | Arizona Electric Pwr Coop Inc | Cochise, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 2.2 TWh | Jan 1963 | Dec 2025 | Natural Gas : 81.3% Subbituminous Coal : 18.7% |
| Palo Verde | Arizona Public Service Co | Wintersburg, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 31.3 TWh | Dec 1985 | Dec 2025 | Nuclear |
| Coronado | Salt River Project | St Johns, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.9 TWh | Nov 1979 | Dec 2025 | Subbituminous Coal : 99.7% |
| Santan | Salt River Project | Gilbert, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 4.6 TWh | Sep 1974 | Dec 2025 | Natural Gas |
| Springerville | Tucson Electric Power Co | Springerville, AZ | Tucson Electric Power (TEPC) | 5.5 TWh | May 1985 | Dec 2025 | Subbituminous Coal : 99.1% Distillate Fuel Oil : 0.5% |
| Hoover Dam (AZ) | U S Bureau of Reclamation | Boulder City, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 927.1 GWh | Aug 1936 | Dec 2025 | Water |
| Griffith Energy LLC | Griffith Energy LLC | Golden Valley, AZ | Griffith Energy, LLC (GRIF) | 3.8 TWh | Dec 2001 | Dec 2025 | Natural Gas |
| Desert Basin | Salt River Project | Casa Grande, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.1 TWh | Sep 2001 | Dec 2025 | Natural Gas |
| South Point Energy Center | South Point Energy Center LLC | Mohave Valley, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 2.0 TWh | Feb 2001 | Dec 2025 | Natural Gas |
| Arlington Valley Energy Facility | Arlington Valley LLC | Arlington, AZ | Arlington Valley, LLC (DEAA) | 3.3 TWh | May 2002 | Dec 2025 | Natural Gas |
| Gila River Power Block 4 | Salt River Project | Gila Bend, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.7 TWh | Apr 2003 | Dec 2025 | Natural Gas |
| Harquahala Generating Project | New Harquahala Generating Co, LLC | Tonopah, AZ | New Harquahala Generating Company, LLC (HGMA) | 2.9 TWh | May 2004 | Dec 2025 | Natural Gas |
| Red Hawk | Arizona Public Service Co | Arlington, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 4.8 TWh | Jun 2002 | Dec 2025 | Natural Gas |
| Mesquite Generating Station Block 2 | Mesquite Power LLC | Arlington, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 4.0 TWh | Nov 2003 | Dec 2025 | Natural Gas |
| Sundance | Arizona Public Service Co | Casa Grande, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 313.1 GWh | Apr 2002 | Dec 2025 | Natural Gas |
| Cogeneration 1 | University of Arizona | Tucson, AZ | Tucson Electric Power (TEPC) | 48.3 GWh | Oct 2002 | Dec 2025 | Natural Gas |
| Solana Generating Station | Arizona Solar One LLC | Gila Bend, AZ | Arizona Public Service Company (AZPS) | 845.9 GWh | Sep 2013 | Dec 2025 | Solar |
| Coolidge Generation Station | Salt River Project | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 58.8 GWh | Apr 2011 | Dec 2025 | Natural Gas |
| Dry Lake Wind LLC | Avangrid Power LLC | Heber, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 107.9 GWh | Jul 2009 | Dec 2025 | Wind |
| Agua Caliente Solar Project | Agua Caliente Solar | Dateland, AZ | California Independent System Operator (CISO) | 546.9 GWh | Apr 2012 | Dec 2025 | Solar |
| Poseidon Wind, LLC | Axium Arizona Renewables, LLC | Herber, AZ | Arizona Public Service Company (AZPS) | 103.9 GWh | Nov 2010 | Dec 2025 | Wind |
| Kingman 1 | Brookfield Renewable Trading and Marketing LP | Kingman, AZ | Arizona Public Service Company (AZPS) | 19.7 GWh | Aug 2011 | Dec 2025 | Wind : 96.3% Solar : 3.7% |
| Perrin Ranch Wind LLC | Perrin Ranch Wind LLC | Williams, AZ | Arizona Public Service Company (AZPS) | 177.9 GWh | Dec 2011 | Dec 2025 | Wind |
| Arizona State University CHP | Energy Center Phoenix LLC | Tempe, AZ | Arizona Public Service Company (AZPS) | 40.0 GWh | Mar 2006 | Dec 2025 | Natural Gas |
| Mesquite Generating Station Block 1 | Salt River Project | Arlington, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 3.5 TWh | May 2003 | Dec 2025 | Natural Gas |
| Red Horse 2 | Red Horse 2 | Willcox, AZ | Tucson Electric Power (TEPC) | 144.2 GWh | Jul 2015 | Dec 2025 | Solar : 70.7% Wind : 29.3% |
| Cogeneration 2 | University of Arizona | Tucson, AZ | Tucson Electric Power (TEPC) | 39.9 GWh | Oct 2002 | Dec 2025 | Natural Gas |
| Gila River Power Block 1 | Salt River Project | Gila Bend, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.6 TWh | Apr 2003 | Dec 2025 | Natural Gas |
| Gila River Power Block 3 | Salt River Project | Gila Bend, AZ | Tucson Electric Power (TEPC) | 2.9 TWh | May 2003 | Dec 2025 | Natural Gas |
| Mesquite Solar 2, LLC | Consolidated Edison Development Inc. | Tonopah, AZ | California Independent System Operator (CISO) | 285.5 GWh | Nov 2016 | Dec 2025 | Solar |
| Mesquite Solar 3, LLC | Consolidated Edison Development Inc. | Tonopah, AZ | California Independent System Operator (CISO) | 443.4 GWh | Nov 2016 | Dec 2025 | Solar |
| Red Rock | Arizona Public Service Co | Red Rock, AZ | Arizona Public Service Company (AZPS) | 85.9 GWh | Jan 2017 | Dec 2025 | Solar |
| White Wing Solar | Leeward Asset Management, LLC | Yuma, AZ | California Independent System Operator (CISO) | 454.0 GWh | Sep 2024 | Dec 2025 | Solar |
| Gila River Power Block 2 | Salt River Project | Gila Bend, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.9 TWh | May 2003 | Dec 2025 | Natural Gas |
| Sun Streams, LLC | EDP Renewables North America LLC | Arlington, AZ | California Independent System Operator (CISO) | 411.7 GWh | Dec 2019 | Dec 2025 | Solar |
| Kayenta Solar Project | NGI-Kayenta Solar Lessor I, LLC | Kayenta, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 121.0 GWh | Apr 2017 | Dec 2025 | Solar |
| Gray Hawk Solar | Gray Hawk Solar, LLC | Kingman, AZ | Tucson Electric Power (TEPC) | 136.8 GWh | May 2018 | Dec 2025 | Solar |
| Pinal Central Energy Center Hybrid | Pinal Central Energy Center, LLC | Casa Grande, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 55.9 GWh | Mar 2018 | Dec 2025 | Solar |
| East Line Solar | AES Distributed Energy | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 254.6 GWh | Nov 2020 | Dec 2025 | Solar |
| Mohave County Wind Farm | Mohave County Wind Farm | Willow Beach, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 997.2 GWh | Nov 2020 | Dec 2025 | Wind |
| OE_AZ1 | Onward Energy | Salome, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 80.5 GWh | Nov 2019 | Dec 2025 | Solar |
| Sun Streams 2 | Sun Streams 2, LLC | Hassayampa, AZ | California Independent System Operator (CISO) | 328.2 GWh | May 2021 | Dec 2025 | Solar |
| Saint Solar | Saint Solar LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 284.1 GWh | Dec 2020 | Dec 2025 | Solar |
| Wilmot Energy Center LLC | Wilmot Energy Center LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 268.6 GWh | Mar 2021 | Dec 2025 | Solar |
| Central Line Solar, LLC | AES Distributed Energy | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 269.4 GWh | Mar 2022 | Dec 2025 | Solar |
| Storey Solar and Storage | Storey Energy Center, LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 300.8 GWh | Aug 2023 | Dec 2025 | Solar |
| Mesquite Solar 4, LLC | Consolidated Edison Development Inc. | Tonopah, AZ | California Independent System Operator (CISO) | 144.4 GWh | Dec 2023 | Dec 2025 | Solar |
| Mesquite Solar 5, LLC | Consolidated Edison Development Inc. | Tonopah, AZ | Arizona Public Service Company (AZPS) | 134.4 GWh | Jun 2023 | Dec 2025 | Solar |
| Chevelon Butte Wind Farm | AES Clean Energy | Winslow, AZ | Arizona Public Service Company (AZPS) | 624.2 GWh | Apr 2023 | Dec 2025 | Wind |
| Babbitt Ranch Energy Center | Babbitt Ranch Energy Center, LLC | Flagstaff, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 552.2 GWh | Jun 2024 | Dec 2025 | Wind |
| West Line Solar, LLC | West Line Solar, LLC | City of Eloy, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 258.6 GWh | Nov 2022 | Dec 2025 | Solar |
| Eleven Mile Solar Center | Eleven Mile Solar Center, LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 792.6 GWh | May 2024 | Dec 2025 | Solar |
| Sonoran Solar Energy | Sonoran Solar Energy, LLC | Buckeye, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 1.1 TWh | Jun 2023 | Dec 2025 | Solar |
| McFarland A Solar and Storage | AES Clean Energy | Dateland, AZ | California Independent System Operator (CISO) | 542.3 GWh | Nov 2023 | Dec 2025 | Solar |
| McFarland B Solar and Storage | AES Clean Energy | Dateland, AZ | California Independent System Operator (CISO) | 600.5 GWh | Nov 2024 | Dec 2025 | Solar |
| Harquahala Sun Solar Project | Copia Power | Tonopah, AZ | Arizona Public Service Company (AZPS) | 316.8 GWh | - | Dec 2025 | Solar |
| SR McNeal | SR McNeal, LLC | McNeal, AZ | Tucson Electric Power (TEPC) | 52.8 GWh | Nov 2023 | Dec 2025 | Solar |
| Chevelon Butte Phase 2 | AES Clean Energy | Winslow, AZ | Arizona Public Service Company (AZPS) | 525.5 GWh | Mar 2024 | Dec 2025 | Wind |
| Mohave Energy - Hybrid | Mohave Energy | Fort Mohave, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 45.7 GWh | Aug 2023 | Dec 2025 | Solar |
| Sun Streams 3 | Sun Streams PVS, LLC | Arlington, AZ | Arizona Public Service Company (AZPS) | 493.5 GWh | May 2024 | Dec 2025 | Solar |
| Sun Streams 4 | Sun Streams Expansion, LLC | Tonopah, AZ | Arizona Public Service Company (AZPS) | 647.2 GWh | - | Dec 2025 | Solar |
| Yuma Solar + Storage | Invenergy Services LLC | Fortuna Foothills, AZ | Arizona Public Service Company (AZPS) | 162.4 GWh | - | Dec 2025 | Solar |
| Harquahala 2 | Copia Power | Tonopah, AZ | Arizona Public Service Company (AZPS) | 647.6 GWh | - | Dec 2025 | Solar |
| Serrano | Serrano Solar, LLC | Marana, AZ | Arizona Public Service Company (AZPS) | 324.7 GWh | - | Dec 2025 | Solar |
| Brittlebush Solar | Randolph Solar Park LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 562.1 GWh | Oct 2024 | Dec 2025 | Solar |
| Roadrunner Solar and BESS | Clenera LLC | Cochise, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 32.9 GWh | - | Dec 2025 | Solar |
| Box Canyon (AZ) | BOCA bn, LLC | Florence, AZ | Arizona Public Service Company (AZPS) | 506.9 GWh | - | Dec 2025 | Solar |
Browse Power Plants By Arizona Counties
Figures are based on December 2025 generation numbers.| County | State Rank | Active Plants | Dec 2025 Generation |
|---|---|---|---|
| Maricopa County, AZ | # 1 | 88 | 79.1 TWh |
| Mohave County, AZ | # 2 | 16 | 9.0 TWh |
| Apache County, AZ | # 3 | 4 | 8.5 TWh |
| Pinal County, AZ | # 4 | 26 | 6.1 TWh |
| Coconino County, AZ | # 5 | 12 | 4.6 TWh |
| Pima County, AZ | # 6 | 39 | 3.0 TWh |
| Yuma County, AZ | # 7 | 17 | 2.7 TWh |
| County | State Rank | Active Plants | Dec 2025 Generation |
|---|---|---|---|
| Cochise County, AZ | # 8 | 11 | 2.6 TWh |
| Navajo County, AZ | # 9 | 8 | 1.8 TWh |
| La Paz County, AZ | # 10 | 13 | 111.4 GWh |
| Yavapai County, AZ | # 11 | 7 | 97.8 GWh |
| Gila County, AZ | # 12 | 2 | 50.2 GWh |
| Santa Cruz County, AZ | # 13 | 2 | 4.8 GWh |