Directory of Power Plants in Arizona
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Apache Station | Arizona Electric Pwr Coop Inc | Cochise, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 2.4 TWh | Jan 1963 | Sep 2025 | Natural Gas : 80.0% Subbituminous Coal : 20.0% |
| Palo Verde | Arizona Public Service Co | Wintersburg, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 32.0 TWh | Dec 1985 | Sep 2025 | Nuclear |
| Coronado | Salt River Project | St Johns, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.6 TWh | Nov 1979 | Sep 2025 | Subbituminous Coal : 99.7% |
| Santan | Salt River Project | Gilbert, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 5.8 TWh | Sep 1974 | Sep 2025 | Natural Gas |
| Springerville | Tucson Electric Power Co | Springerville, AZ | Tucson Electric Power (TEPC) | 5.2 TWh | May 1985 | Sep 2025 | Subbituminous Coal : 99.0% Distillate Fuel Oil : 0.5% |
| Hoover Dam (AZ) | U S Bureau of Reclamation | Boulder City, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 898.4 GWh | Aug 1936 | Sep 2025 | Water |
| Yuma Cogeneration Associates | Falcon Power Operating Company | Yuma, AZ | Arizona Public Service Company (AZPS) | 23.8 GWh | Feb 1994 | Sep 2025 | Natural Gas |
| Griffith Energy LLC | Griffith Energy LLC | Golden Valley, AZ | Griffith Energy, LLC (GRIF) | 3.7 TWh | Dec 2001 | Sep 2025 | Natural Gas |
| Desert Basin | Salt River Project | Casa Grande, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.0 TWh | Sep 2001 | Sep 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 | Sep 2025 | Natural Gas |
| Arlington Valley Energy Facility | Arlington Valley LLC | Arlington, AZ | Arlington Valley, LLC (DEAA) | 3.4 TWh | May 2002 | Sep 2025 | Natural Gas |
| Gila River Power Block 4 | Salt River Project | Gila Bend, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.9 TWh | Apr 2003 | Sep 2025 | Natural Gas |
| Harquahala Generating Project | New Harquahala Generating Co, LLC | Tonopah, AZ | New Harquahala Generating Company, LLC (HGMA) | 3.5 TWh | May 2004 | Sep 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 | Sep 2025 | Natural Gas |
| Mesquite Generating Station Block 2 | Mesquite Power LLC | Arlington, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 4.1 TWh | Nov 2003 | Sep 2025 | Natural Gas |
| Sundance | Arizona Public Service Co | Casa Grande, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 354.8 GWh | Apr 2002 | Sep 2025 | Natural Gas |
| Cogeneration 1 | University of Arizona | Tucson, AZ | Tucson Electric Power (TEPC) | 47.8 GWh | Oct 2002 | Sep 2025 | Natural Gas |
| Solana Generating Station | Arizona Solar One LLC | Gila Bend, AZ | Arizona Public Service Company (AZPS) | 859.3 GWh | Sep 2013 | Sep 2025 | Solar |
| Coolidge Generation Station | Salt River Project | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 54.5 GWh | Apr 2011 | Sep 2025 | Natural Gas |
| Dry Lake Wind LLC | Avangrid Power LLC | Heber, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 110.3 GWh | Jul 2009 | Sep 2025 | Wind |
| Agua Caliente Solar Project | Agua Caliente Solar | Dateland, AZ | California Independent System Operator (CISO) | 548.2 GWh | Apr 2012 | Sep 2025 | Solar |
| Poseidon Wind, LLC | Axium Arizona Renewables, LLC | Herber, AZ | Arizona Public Service Company (AZPS) | 106.8 GWh | Nov 2010 | Sep 2025 | Wind |
| Kingman 1 | Brookfield Renewable Trading and Marketing LP | Kingman, AZ | Arizona Public Service Company (AZPS) | 20.8 GWh | Aug 2011 | Sep 2025 | Wind : 96.5% Solar : 3.5% |
| Perrin Ranch Wind LLC | Perrin Ranch Wind LLC | Williams, AZ | Arizona Public Service Company (AZPS) | 178.8 GWh | Dec 2011 | Sep 2025 | Wind |
| Arizona State University CHP | Energy Center Phoenix LLC | Tempe, AZ | Arizona Public Service Company (AZPS) | 40.2 GWh | Mar 2006 | Sep 2025 | Natural Gas |
| Mesquite Generating Station Block 1 | Salt River Project | Arlington, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 3.6 TWh | May 2003 | Sep 2025 | Natural Gas |
| Red Horse 2 | Red Horse 2 | Willcox, AZ | Tucson Electric Power (TEPC) | 147.6 GWh | Jul 2015 | Sep 2025 | Solar : 68.9% Wind : 31.1% |
| Cogeneration 2 | University of Arizona | Tucson, AZ | Tucson Electric Power (TEPC) | 40.9 GWh | Oct 2002 | Sep 2025 | Natural Gas |
| Gila River Power Block 1 | Salt River Project | Gila Bend, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 1.8 TWh | Apr 2003 | Sep 2025 | Natural Gas |
| Gila River Power Block 3 | Salt River Project | Gila Bend, AZ | Tucson Electric Power (TEPC) | 3.1 TWh | May 2003 | Sep 2025 | Natural Gas |
| Mesquite Solar 2, LLC | Consolidated Edison Development Inc. | Tonopah, AZ | California Independent System Operator (CISO) | 288.9 GWh | Nov 2016 | Sep 2025 | Solar |
| Mesquite Solar 3, LLC | Consolidated Edison Development Inc. | Tonopah, AZ | California Independent System Operator (CISO) | 448.5 GWh | Nov 2016 | Sep 2025 | Solar |
| Red Rock | Arizona Public Service Co | Red Rock, AZ | Arizona Public Service Company (AZPS) | 82.7 GWh | Jan 2017 | Sep 2025 | Solar |
| White Wing Solar | Leeward Asset Management, LLC | Yuma, AZ | California Independent System Operator (CISO) | 467.0 GWh | Sep 2024 | Sep 2025 | Solar |
| Gila River Power Block 2 | Salt River Project | Gila Bend, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 3.0 TWh | May 2003 | Sep 2025 | Natural Gas |
| Sun Streams, LLC | EDP Renewables North America LLC | Arlington, AZ | California Independent System Operator (CISO) | 405.6 GWh | Dec 2019 | Sep 2025 | Solar |
| Kayenta Solar Project | NGI-Kayenta Solar Lessor I, LLC | Kayenta, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 117.2 GWh | Apr 2017 | Sep 2025 | Solar |
| Gray Hawk Solar | Gray Hawk Solar, LLC | Kingman, AZ | Tucson Electric Power (TEPC) | 137.6 GWh | May 2018 | Sep 2025 | Solar |
| Pinal Central Energy Center Hybrid | Pinal Central Energy Center, LLC | Casa Grande, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 55.4 GWh | Mar 2018 | Sep 2025 | Solar |
| East Line Solar | AES Distributed Energy | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 252.9 GWh | Nov 2020 | Sep 2025 | Solar |
| Mohave County Wind Farm | Mohave County Wind Farm | Willow Beach, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 996.0 GWh | Nov 2020 | Sep 2025 | Wind |
| OE_AZ1 | Onward Energy | Salome, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 83.2 GWh | Nov 2019 | Sep 2025 | Solar |
| Sun Streams 2 | Sun Streams 2, LLC | Hassayampa, AZ | California Independent System Operator (CISO) | 327.6 GWh | May 2021 | Sep 2025 | Solar |
| Saint Solar | Saint Solar LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 286.9 GWh | Dec 2020 | Sep 2025 | Solar |
| Wilmot Energy Center LLC | Wilmot Energy Center LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 272.4 GWh | Mar 2021 | Sep 2025 | Solar |
| Central Line Solar, LLC | AES Distributed Energy | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 271.0 GWh | Mar 2022 | Sep 2025 | Solar |
| Storey Solar and Storage | Storey Energy Center, LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 298.7 GWh | Aug 2023 | Sep 2025 | Solar |
| Mesquite Solar 4, LLC | Consolidated Edison Development Inc. | Tonopah, AZ | California Independent System Operator (CISO) | 147.7 GWh | Dec 2023 | Sep 2025 | Solar : 99.9% |
| Mesquite Solar 5, LLC | Consolidated Edison Development Inc. | Tonopah, AZ | Arizona Public Service Company (AZPS) | 134.8 GWh | Jun 2023 | Sep 2025 | Solar |
| Chevelon Butte Wind Farm | AES Clean Energy | Winslow, AZ | Arizona Public Service Company (AZPS) | 633.1 GWh | Apr 2023 | Sep 2025 | Wind |
| Babbitt Ranch Energy Center | Babbitt Ranch Energy Center, LLC | Flagstaff, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 560.1 GWh | Jun 2024 | Sep 2025 | Wind |
| West Line Solar, LLC | West Line Solar, LLC | City of Eloy, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 260.3 GWh | Nov 2022 | Sep 2025 | Solar |
| Eleven Mile Solar Center | Eleven Mile Solar Center, LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 800.0 GWh | May 2024 | Sep 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 | Sep 2025 | Solar |
| McFarland A Solar and Storage | AES Clean Energy | Dateland, AZ | California Independent System Operator (CISO) | 527.6 GWh | Nov 2023 | Sep 2025 | Solar |
| McFarland B Solar and Storage | AES Clean Energy | Dateland, AZ | California Independent System Operator (CISO) | 478.9 GWh | Nov 2024 | Sep 2025 | Solar : 99.8% |
| Harquahala Sun Solar Project | Copia Power | Tonopah, AZ | Arizona Public Service Company (AZPS) | 228.0 GWh | - | Sep 2025 | Solar |
| SR McNeal | SR McNeal, LLC | McNeal, AZ | Tucson Electric Power (TEPC) | 53.7 GWh | Nov 2023 | Sep 2025 | Solar |
| Chevelon Butte Phase 2 | AES Clean Energy | Winslow, AZ | Arizona Public Service Company (AZPS) | 535.8 GWh | Mar 2024 | Sep 2025 | Wind |
| Mohave Energy - Hybrid | Mohave Energy | Fort Mohave, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 44.8 GWh | Aug 2023 | Sep 2025 | Solar |
| Sun Streams 3 | Sun Streams PVS, LLC | Arlington, AZ | Arizona Public Service Company (AZPS) | 469.7 GWh | May 2024 | Sep 2025 | Solar |
| Sun Streams 4 | Sun Streams Expansion, LLC | Tonopah, AZ | Arizona Public Service Company (AZPS) | 513.7 GWh | - | Sep 2025 | Solar |
| Yuma Solar + Storage | Invenergy Services LLC | Fortuna Foothills, AZ | Arizona Public Service Company (AZPS) | 126.1 GWh | - | Sep 2025 | Solar |
| Harquahala 2 | Copia Power | Tonopah, AZ | Arizona Public Service Company (AZPS) | 494.8 GWh | - | Sep 2025 | Solar |
| Serrano | Serrano Solar, LLC | Marana, AZ | Arizona Public Service Company (AZPS) | 250.5 GWh | - | Sep 2025 | Solar |
| Brittlebush Solar | Randolph Solar Park LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 522.6 GWh | Oct 2024 | Sep 2025 | Solar |
| Agave | Arizona Public Service Co | Arlington, AZ | Arizona Public Service Company (AZPS) | 333.8 GWh | Aug 2023 | Sep 2025 | Solar |
| Box Canyon (AZ) | BOCA bn, LLC | Florence, AZ | Arizona Public Service Company (AZPS) | 344.8 GWh | - | Sep 2025 | Solar |
Browse Power Plants By Arizona Counties
Figures are based on September 2025 generation numbers.| County | State Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| Maricopa County, AZ | # 1 | 88 | 81.0 TWh |
| Mohave County, AZ | # 2 | 16 | 9.0 TWh |
| Apache County, AZ | # 3 | 4 | 7.8 TWh |
| Pinal County, AZ | # 4 | 26 | 5.8 TWh |
| Coconino County, AZ | # 5 | 12 | 4.7 TWh |
| Pima County, AZ | # 6 | 39 | 2.8 TWh |
| Cochise County, AZ | # 7 | 11 | 2.8 TWh |
| County | State Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| Yuma County, AZ | # 8 | 17 | 2.5 TWh |
| Navajo County, AZ | # 9 | 8 | 1.8 TWh |
| La Paz County, AZ | # 10 | 13 | 118.9 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 |