Directory of Power Plants in Arizona
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Banner Solar Ironwood | Banner Solar Ironwood LLC | Queen Creek, AZ | Arizona Public Service Company (AZPS) | 3.8 GWh | Nov 2021 | Dec 2024 | Solar |
| Queen Creek Solar Farm | Siete Solar LLC | Queen Creek, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 40.7 GWh | Sep 2012 | Dec 2024 | Solar |
| Saguaro | Arizona Public Service Co | Red Rock, AZ | Arizona Public Service Company (AZPS) | 135.2 GWh | Apr 1972 | Dec 2024 | Natural Gas |
| Red Rock | Arizona Public Service Co | Red Rock, AZ | Arizona Public Service Company (AZPS) | 81.9 GWh | Jan 2017 | Apr 2025 | Solar : 99.5% |
| Roosevelt | Salt River Project | Roosevelt, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 101.8 GWh | Feb 1973 | Dec 2024 | Water |
| Avalon Solar II | Avalon Solar Partners II, LLC | Sahuarita, AZ | Tucson Electric Power (TEPC) | 43.8 GWh | Feb 2016 | Dec 2024 | Solar |
| OE_AZ1 | Onward Energy | Salome, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 86.8 GWh | Nov 2019 | Apr 2025 | Solar |
| Jewish Community Center PV | AES Distributed Energy | Scottsdale, AZ | Arizona Public Service Company (AZPS) | 1.8 GWh | Aug 2012 | Dec 2024 | Solar |
| Fort Huachuca Solar PV Project | Tucson Electric Power Co | Sierra Vista, AZ | Tucson Electric Power (TEPC) | 40.1 GWh | Nov 2014 | Dec 2024 | Solar |
| Novo BioPower Plant | Novo Biopower LLC | Snowflake, AZ | Arizona Public Service Company (AZPS) | 175.6 GWh | May 2008 | Dec 2023 | Wood/Wood Waste Solids : 99.9% |
| Springerville | Tucson Electric Power Co | Springerville, AZ | Tucson Electric Power (TEPC) | 5.3 TWh | May 1985 | Apr 2025 | Subbituminous Coal : 99.2% |
| Coronado | Salt River Project | St Johns, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.6 TWh | Nov 1979 | Apr 2025 | Subbituminous Coal : 99.7% |
| Northwest Regional | WM Renewable Energy LLC | Surprise, AZ | Arizona Public Service Company (AZPS) | 16.6 GWh | Jul 2012 | Dec 2024 | Landfill Gas |
| Arizona State University CHP | Energy Center Phoenix LLC | Tempe, AZ | Arizona Public Service Company (AZPS) | 42.3 GWh | Mar 2006 | Apr 2025 | Natural Gas |
| Ocotillo | Arizona Public Service Co | Tempe, AZ | Arizona Public Service Company (AZPS) | 474.5 GWh | Feb 1960 | Apr 2025 | Natural Gas |
| AZ State University - Tempe Campus Solar | Arizona State University FDM | Tempe, AZ | Arizona Public Service Company (AZPS) | 1.1 GWh | Nov 2003 | Dec 2024 | Solar |
| Kyrene | Salt River Project | Tempe, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 845.5 GWh | Jun 1952 | Apr 2025 | Natural Gas |
| Harquahala Generating Project | New Harquahala Generating Co, LLC | Tonopah, AZ | New Harquahala Generating Company, LLC (HGMA) | 3.7 TWh | May 2004 | Apr 2025 | Natural Gas |
| Saddle Mountain Solar I | SunE AZ2, LLC | Tonopah, AZ | Arizona Public Service Company (AZPS) | 34.5 GWh | Nov 2012 | Dec 2024 | Solar |
| Mesquite Solar 5, LLC | Consolidated Edison Development Inc. | Tonopah, AZ | Arizona Public Service Company (AZPS) | 127.2 GWh | Jun 2023 | Apr 2025 | Solar |
| Badger 1 | Desert Sky Solar LLC | Tonopah, AZ | Arizona Public Service Company (AZPS) | 33.2 GWh | Oct 2013 | Dec 2024 | Solar |
| Mesquite Solar 4, LLC | Consolidated Edison Development Inc. | Tonopah, AZ | California Independent System Operator (CISO) | 149.5 GWh | Dec 2023 | Apr 2025 | Solar : 99.9% |
| Mesquite Solar 1 | Consolidated Edison Development Inc. | Tonopah, AZ | California Independent System Operator (CISO) | 401.4 GWh | Oct 2011 | Dec 2024 | Solar |
| Sun Streams 4 | Sun Streams Expansion, LLC | Tonopah, AZ | Arizona Public Service Company (AZPS) | 138.2 GWh | - | Apr 2025 | Solar |
| Harquahala 2 | Copia Power | Tonopah, AZ | Arizona Public Service Company (AZPS) | 65.4 GWh | - | Apr 2025 | Solar |
| Mesquite Solar 3, LLC | Consolidated Edison Development Inc. | Tonopah, AZ | California Independent System Operator (CISO) | 457.6 GWh | Nov 2016 | Apr 2025 | Solar |
| Mesquite Solar 2, LLC | Consolidated Edison Development Inc. | Tonopah, AZ | California Independent System Operator (CISO) | 292.3 GWh | Nov 2016 | Apr 2025 | Solar |
| H Wilson Sundt Generating Station | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 1.9 TWh | Nov 1958 | Apr 2025 | Natural Gas |
| Broadway 3 - Tucson Phase I | MN8 Energy LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 1.6 GWh | Feb 2011 | Dec 2024 | Solar |
| Broadway 2 - Tucson Phase II | MN8 Energy LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 2.0 GWh | Nov 2013 | Dec 2024 | Solar |
| Pima Community College NW | Onyx Asset Services Group | Tucson, AZ | Tucson Electric Power (TEPC) | 3.1 GWh | Mar 2019 | Dec 2023 | Solar |
| Raptor Ridge | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 33.8 GWh | May 2022 | Dec 2024 | Solar |
| FRB Solar Farm | FRB Solar LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 4.1 GWh | Mar 2011 | Dec 2023 | Solar |
| Demoss Petrie | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 2.5 GWh | May 2001 | Dec 2024 | Natural Gas |
| UASTP I | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 1.6 GWh | Nov 2010 | Dec 2024 | Solar |
| Cogeneration 1 | University of Arizona | Tucson, AZ | Tucson Electric Power (TEPC) | 48.2 GWh | Oct 2002 | Apr 2025 | Natural Gas |
| Roger Road WWTP | SunE M5C Holdings LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 1.1 GWh | Jul 2010 | Oct 2024 | Solar |
| TJX Tucson | SoCore Energy LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 2.2 GWh | Jan 2018 | Dec 2024 | Solar |
| Iron Horse Battery Storage Hybrid | Big Sky Wind, LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 3.7 GWh | Mar 2017 | Dec 2024 | Solar |
| Gato Montes Solar, LLC | Duke Energy Renewables Services | Tucson, AZ | Tucson Electric Power (TEPC) | 7.4 GWh | Nov 2012 | Dec 2024 | Solar |
| Amphitheater High School Solar | Luminace Solar Arizona 2, LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 1.8 GWh | Nov 2016 | Dec 2024 | Solar |
| Cogenra - TEP | Terraform Arcadia | Tucson, AZ | Tucson Electric Power (TEPC) | 1.9 GWh | Jun 2014 | Dec 2024 | Solar |
| Actus Lend Lease DMAFB | Tesla Inc. | Tucson, AZ | Tucson Electric Power (TEPC) | 2.5 GWh | Nov 2009 | Dec 2024 | Solar |
| North Loop | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 2.5 GWh | Nov 1972 | Dec 2024 | Natural Gas |
| Wilmot Energy Center LLC | Wilmot Energy Center LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 262.5 GWh | Mar 2021 | Apr 2025 | Solar |
| Cogeneration 2 | University of Arizona | Tucson, AZ | Tucson Electric Power (TEPC) | 40.7 GWh | Oct 2002 | Apr 2025 | Natural Gas |
| Pima Community College - East Campus | Tesla Inc. | Tucson, AZ | Tucson Electric Power (TEPC) | 2.8 GWh | Jul 2017 | Dec 2024 | Solar |
| Valencia Solar | Big Sky Wind, LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 24.6 GWh | May 2013 | Dec 2024 | Solar |
| Pima Community College | Tesla Inc. | Tucson, AZ | Tucson Electric Power (TEPC) | 2.1 GWh | Jul 2019 | May 2024 | Solar |
| Prairie Fire | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 7.8 GWh | Nov 2012 | Dec 2024 | Solar |
| Davis Monthan AFB (AZ) West Airfield | MN8 Energy LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 30.2 GWh | Dec 2013 | Dec 2024 | Solar |
| Amazon TUS2 | SkyHigh 2 Solar | Tucson, AZ | Tucson Electric Power (TEPC) | 5.5 GWh | May 2022 | Dec 2024 | Solar |
| Tech Park Solar | Big Sky Wind, LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 11.8 GWh | Nov 2012 | Dec 2024 | Solar |
| Red Horse III | Red Horse III | Wilcox, AZ | Tucson Electric Power (TEPC) | 52.2 GWh | Jun 2016 | Dec 2024 | Solar |
| Red Horse 2 | Red Horse 2 | Willcox, AZ | Tucson Electric Power (TEPC) | 194.7 GWh | Jul 2015 | Apr 2025 | Solar : 69.9% Wind : 30.1% |
| Perrin Ranch Wind LLC | Perrin Ranch Wind LLC | Williams, AZ | Arizona Public Service Company (AZPS) | 175.0 GWh | Dec 2011 | Apr 2025 | Wind |
| Mohave County Wind Farm | Mohave County Wind Farm | Willow Beach, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 1.0 TWh | Nov 2020 | Apr 2025 | Wind |
| Chevelon Butte Wind Farm | AES Clean Energy | Winslow, AZ | Arizona Public Service Company (AZPS) | 614.6 GWh | Apr 2023 | Apr 2025 | Wind |
| Chevelon Butte Phase 2 | AES Clean Energy | Winslow, AZ | Arizona Public Service Company (AZPS) | 501.3 GWh | Mar 2024 | Apr 2025 | Wind |
| Palo Verde | Arizona Public Service Co | Wintersburg, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 32.0 TWh | Dec 1985 | Apr 2025 | Nuclear |
| White Wing Solar | Leeward Asset Management, LLC | Yuma, AZ | California Independent System Operator (CISO) | 234.6 GWh | Sep 2024 | Apr 2025 | Solar |
| Arizona Western College PV | AES Distributed Energy | Yuma, AZ | Arizona Public Service Company (AZPS) | 1.5 GWh | Oct 2011 | Dec 2024 | Solar |
| Yucca | Arizona Public Service Co | Yuma, AZ | Arizona Public Service Company (AZPS) | 282.6 GWh | Mar 1959 | Apr 2025 | Natural Gas : 98.3% Distillate Fuel Oil : 1.7% |
| Yuma Cogeneration Associates | Falcon Power Operating Company | Yuma, AZ | Arizona Public Service Company (AZPS) | 36.3 GWh | Feb 1994 | Jan 2025 | Natural Gas |
| Foothills Solar Plant Hybrid | Arizona Public Service Co | Yuma, AZ | Arizona Public Service Company (AZPS) | 97.8 GWh | Feb 2013 | Dec 2024 | Solar |
Browse Power Plants By Arizona Counties
Figures are based on April 2025 generation numbers.| County | State Rank | Active Plants | Apr 2025 Generation |
|---|---|---|---|
| Maricopa County, AZ | # 1 | 88 | 79.6 TWh |
| Mohave County, AZ | # 2 | 16 | 9.8 TWh |
| Apache County, AZ | # 3 | 4 | 7.9 TWh |
| Pinal County, AZ | # 4 | 26 | 5.1 TWh |
| Coconino County, AZ | # 5 | 8 | 4.4 TWh |
| Cochise County, AZ | # 6 | 11 | 2.7 TWh |
| Pima County, AZ | # 7 | 39 | 2.7 TWh |
| County | State Rank | Active Plants | Apr 2025 Generation |
|---|---|---|---|
| Yuma County, AZ | # 8 | 17 | 2.0 TWh |
| Navajo County, AZ | # 9 | 7 | 1.8 TWh |
| La Paz County, AZ | # 10 | 11 | 119.1 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 |