Directory of Power Plants in Arizona
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Gila River Power Block 2 | Salt River Project | Gila Bend, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 3.2 TWh | May 2003 | Mar 2025 | Natural Gas |
| Kyrene | Salt River Project | Tempe, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 939.3 GWh | Jun 1952 | Mar 2025 | Natural Gas |
| Horse Mesa | Salt River Project | Apache Junction, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 113.1 GWh | Mar 1927 | Mar 2025 | Water |
| Mormon Flat | Salt River Project | Apache Junction, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 57.3 GWh | Apr 1926 | Mar 2025 | Water |
| Agua Fria | Salt River Project | Glendale, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 239.3 GWh | Mar 1957 | Mar 2025 | Natural Gas |
| Gila River Power Block 1 | Salt River Project | Gila Bend, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 1.9 TWh | Apr 2003 | Mar 2025 | Natural Gas |
| Gila River Power Block 3 | Salt River Project | Gila Bend, AZ | Tucson Electric Power (TEPC) | 2.8 TWh | May 2003 | Mar 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 | Mar 2025 | Natural Gas |
| Coolidge Generation Station | Salt River Project | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 126.8 GWh | Apr 2011 | Mar 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 | Mar 2025 | Natural Gas |
| Santan | Salt River Project | Gilbert, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 5.7 TWh | Sep 1974 | Mar 2025 | Natural Gas |
| Coronado | Salt River Project | St Johns, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.8 TWh | Nov 1979 | Mar 2025 | Subbituminous Coal : 99.7% |
| Mesquite Generating Station Block 1 | Salt River Project | Arlington, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 3.5 TWh | May 2003 | Mar 2025 | Natural Gas |
| Stewart Mountain | Salt River Project | Phoenix, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 35.0 GWh | Feb 1930 | Dec 2023 | Water |
| Roosevelt | Salt River Project | Roosevelt, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 98.8 GWh | Feb 1973 | Dec 2023 | Water |
| Queen Creek Solar Farm | Siete Solar LLC | Queen Creek, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 46.4 GWh | Sep 2012 | Dec 2023 | Solar |
| Amazon TUS2 | SkyHigh 2 Solar | Tucson, AZ | Tucson Electric Power (TEPC) | 5.3 GWh | May 2022 | Dec 2023 | Solar |
| T0588 Phoenix - AZ | SoCore Energy LLC | Phoenix, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 618.0 MWh | Apr 2017 | Dec 2023 | Solar |
| Phoenix Airport Rental Car Center | Solar Star Arizona II LLC | Phoenix, AZ | Arizona Public Service Company (AZPS) | 2.7 GWh | Nov 2012 | Dec 2023 | Solar |
| Phoenix Airport East Economy Lot | Solar Star Arizona II LLC | Phoenix, AZ | Arizona Public Service Company (AZPS) | 848.0 MWh | Nov 2012 | Dec 2023 | Solar |
| Sonoran Solar Energy | Sonoran Solar Energy, LLC | Buckeye, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 1.1 TWh | Jun 2023 | Mar 2025 | Solar |
| South Point Energy Center | South Point Energy Center LLC | Mohave Valley, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 2.6 TWh | Feb 2001 | Feb 2025 | Natural Gas |
| SR McNeal | SR McNeal, LLC | McNeal, AZ | Tucson Electric Power (TEPC) | 55.0 GWh | Nov 2023 | Mar 2025 | Solar |
| Storey Solar and Storage | Storey Energy Center, LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 297.3 GWh | Aug 2023 | Mar 2025 | Solar |
| Sun Streams 2 | Sun Streams 2, LLC | Hassayampa, AZ | California Independent System Operator (CISO) | 311.0 GWh | May 2021 | Mar 2025 | Solar |
| Sun Streams 4 | Sun Streams Expansion, LLC | Tonopah, AZ | Arizona Public Service Company (AZPS) | 61.0 GWh | - | Mar 2025 | Solar |
| Sun Streams 3 | Sun Streams PVS, LLC | Arlington, AZ | Arizona Public Service Company (AZPS) | 643.1 GWh | - | Mar 2025 | Solar : 74.7% Electricity used for energy storage : 25.3% |
| Prescott Solar Plant | SunE AZ1, LLC | Prescott, AZ | Arizona Public Service Company (AZPS) | 22.9 GWh | Nov 2011 | Dec 2023 | Solar |
| Saddle Mountain Solar I | SunE AZ2, LLC | Tonopah, AZ | Arizona Public Service Company (AZPS) | 30.9 GWh | Nov 2012 | Dec 2023 | Solar |
| Roger Road WWTP | SunE M5C Holdings LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 1.1 GWh | Jul 2010 | Dec 2023 | Solar |
| Cogenra - TEP | Terraform Arcadia | Tucson, AZ | Tucson Electric Power (TEPC) | 2.1 GWh | Jun 2014 | Dec 2023 | Solar |
| Pima Community College | Tesla Inc. | Tucson, AZ | Tucson Electric Power (TEPC) | 2.4 GWh | Jul 2019 | Dec 2023 | Solar |
| Walmart Casa Grande | Tesla Inc. | Casa Grande, AZ | Arizona Public Service Company (AZPS) | 1.8 GWh | May 2011 | Dec 2023 | Solar |
| Actus Lend Lease DMAFB | Tesla Inc. | Tucson, AZ | Tucson Electric Power (TEPC) | 3.0 GWh | Nov 2009 | Dec 2023 | Solar |
| Pima Community College - East Campus | Tesla Inc. | Tucson, AZ | Tucson Electric Power (TEPC) | 1.6 GWh | Jul 2017 | Dec 2023 | Solar |
| Intel - Ocotillo Campus Solar | Tesla Inc. | Chandler, AZ | Arizona Public Service Company (AZPS) | 10.7 GWh | Nov 2017 | Dec 2023 | Solar |
| Estrella Mountain PV | Tesla Inc. | Avondale, AZ | Arizona Public Service Company (AZPS) | 4.2 GWh | May 2019 | Dec 2023 | Solar |
| Prairie Fire | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 7.5 GWh | Nov 2012 | Dec 2023 | Solar |
| North Loop | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 3.6 GWh | Nov 1972 | Dec 2023 | Natural Gas : 99.4% Distillate Fuel Oil : 0.6% |
| H Wilson Sundt Generating Station | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 1.9 TWh | Nov 1958 | Mar 2025 | Natural Gas |
| Demoss Petrie | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 1.3 GWh | May 2001 | Dec 2023 | Natural Gas |
| Springerville | Tucson Electric Power Co | Springerville, AZ | Tucson Electric Power (TEPC) | 5.4 TWh | May 1985 | Mar 2025 | Subbituminous Coal : 99.2% |
| Fort Huachuca Solar PV Project | Tucson Electric Power Co | Sierra Vista, AZ | Tucson Electric Power (TEPC) | 37.2 GWh | Nov 2014 | Dec 2023 | Solar |
| UASTP I | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 403.0 MWh | Nov 2010 | Dec 2023 | Solar |
| Raptor Ridge | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 33.5 GWh | May 2022 | Dec 2023 | Solar |
| Glen Canyon Dam | U S Bureau of Reclamation | Page, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 2.7 TWh | Aug 1964 | Mar 2025 | Water |
| Hoover Dam (AZ) | U S Bureau of Reclamation | Boulder City, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 1.2 TWh | Aug 1936 | Mar 2025 | Water |
| Davis Dam | U S Bureau of Reclamation | Kingman, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 908.9 GWh | Dec 1950 | Dec 2023 | Water |
| Cogeneration 2 | University of Arizona | Tucson, AZ | Tucson Electric Power (TEPC) | 40.4 GWh | Oct 2002 | Mar 2025 | Natural Gas |
| Cogeneration 1 | University of Arizona | Tucson, AZ | Tucson Electric Power (TEPC) | 52.6 GWh | Oct 2002 | Mar 2025 | Natural Gas |
| University of Arizona - Biosphere 2 | University of Arizona - Biosphere 2 | Oracle, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 118.0 MWh | Oct 1990 | Dec 2023 | Natural Gas : 71.2% Distillate Fuel Oil : 28.8% |
| La Senita | UNS Electric, Inc | Kingman, AZ | Tucson Electric Power (TEPC) | 931.0 MWh | Oct 2011 | Dec 2023 | Solar |
| Black Mountain Generating Station | UNS Electric, Inc | Golden Valley, AZ | Tucson Electric Power (TEPC) | 94.9 GWh | Apr 2008 | Dec 2023 | Natural Gas |
| Valencia | UNS Electric, Inc | Nogales, AZ | Tucson Electric Power (TEPC) | 5.7 GWh | Jul 1989 | Dec 2023 | Natural Gas : 94.4% Distillate Fuel Oil : 5.6% |
| Jacobson 5 MW Solar | UNS Electric, Inc | Kingman, AZ | Tucson Electric Power (TEPC) | 8.3 GWh | Feb 2017 | Dec 2023 | Solar |
| Rio Rico Solar | UNS Electric, Inc | Rio Rico, AZ | Tucson Electric Power (TEPC) | 4.7 GWh | Feb 2014 | Nov 2023 | Solar |
| West Line Solar, LLC | West Line Solar, LLC | City of Eloy, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 279.6 GWh | Nov 2022 | Mar 2025 | Solar |
| Wilmot Energy Center LLC | Wilmot Energy Center LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 252.5 GWh | Mar 2021 | Mar 2025 | Solar |
| Northwest Regional | WM Renewable Energy LLC | Surprise, AZ | Arizona Public Service Company (AZPS) | 17.6 GWh | Jul 2012 | Dec 2023 | Landfill Gas |
Browse Power Plants By Arizona Counties
Figures are based on March 2025 generation numbers.| County | State Rank | Active Plants | Mar 2025 Generation |
|---|---|---|---|
| Maricopa County, AZ | # 1 | 83 | 79.4 TWh |
| Mohave County, AZ | # 2 | 15 | 9.9 TWh |
| Apache County, AZ | # 3 | 4 | 8.2 TWh |
| Pinal County, AZ | # 4 | 20 | 5.1 TWh |
| Coconino County, AZ | # 5 | 8 | 4.3 TWh |
| Cochise County, AZ | # 6 | 11 | 2.7 TWh |
| Pima County, AZ | # 7 | 38 | 2.7 TWh |
| County | State Rank | Active Plants | Mar 2025 Generation |
|---|---|---|---|
| Yuma County, AZ | # 8 | 13 | 1.8 TWh |
| Navajo County, AZ | # 9 | 7 | 1.8 TWh |
| La Paz County, AZ | # 10 | 5 | 119.8 GWh |
| Yavapai County, AZ | # 11 | 7 | 83.5 GWh |
| Gila County, AZ | # 12 | 2 | 51.4 GWh |
| Santa Cruz County, AZ | # 13 | 2 | 10.3 GWh |