Directory of Power Plants in Arizona
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Actus Lend Lease DMAFB | Tesla Inc. | Tucson, AZ | Tucson Electric Power (TEPC) | 3.0 GWh | Nov 2009 | Dec 2023 | Solar |
| Dry Lake Wind LLC | Avangrid Renewables LLC | Heber, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 104.7 GWh | Jul 2009 | Aug 2024 | Wind |
| 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% |
| Black Mountain Generating Station | UNS Electric, Inc | Golden Valley, AZ | Tucson Electric Power (TEPC) | 94.9 GWh | Apr 2008 | Dec 2023 | Natural Gas |
| Arizona State University CHP | Energy Center Phoenix LLC | Tempe, AZ | Arizona Public Service Company (AZPS) | 43.1 GWh | Mar 2006 | Aug 2024 | Natural Gas |
| Harquahala Generating Project | New Harquahala Generating Co, LLC | Tonopah, AZ | New Harquahala Generating Company, LLC (HGMA) | 2.7 TWh | May 2004 | Aug 2024 | Natural Gas |
| Mesquite Generating Station Block 2 | Mesquite Power LLC | Arlington, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 3.5 TWh | Nov 2003 | Aug 2024 | Natural Gas |
| AZ State University - Tempe Campus Solar | Arizona State University FDM | Tempe, AZ | Arizona Public Service Company (AZPS) | 2.6 GWh | Nov 2003 | Dec 2023 | Solar |
| Mesquite Generating Station Block 1 | Salt River Project | Arlington, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 3.6 TWh | May 2003 | Aug 2024 | Natural Gas |
| Gila River Power Block 3 | Salt River Project | Gila Bend, AZ | Tucson Electric Power (TEPC) | 2.6 TWh | May 2003 | Aug 2024 | Natural Gas |
| Gila River Power Block 2 | Salt River Project | Gila Bend, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 3.4 TWh | May 2003 | Aug 2024 | Natural Gas |
| Gila River Power Block 4 | Salt River Project | Gila Bend, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.1 TWh | Apr 2003 | Aug 2024 | Natural Gas |
| Gila River Power Block 1 | Salt River Project | Gila Bend, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.8 TWh | Apr 2003 | Aug 2024 | Natural Gas |
| Cogeneration 1 | University of Arizona | Tucson, AZ | Tucson Electric Power (TEPC) | 55.5 GWh | Oct 2002 | Aug 2024 | Natural Gas |
| Cogeneration 2 | University of Arizona | Tucson, AZ | Tucson Electric Power (TEPC) | 37.1 GWh | Oct 2002 | Aug 2024 | Natural Gas |
| Prescott Airport | Arizona Public Service Co | Prescott, AZ | Arizona Public Service Company (AZPS) | 2.6 GWh | Sep 2002 | Dec 2023 | Solar |
| Red Hawk | Arizona Public Service Co | Arlington, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 3.8 TWh | Jun 2002 | Aug 2024 | Natural Gas |
| Arlington Valley Energy Facility | Arlington Valley LLC | Arlington, AZ | Arlington Valley, LLC (DEAA) | 3.6 TWh | May 2002 | Aug 2024 | Natural Gas |
| Sundance | Arizona Public Service Co | Casa Grande, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 480.4 GWh | Apr 2002 | Aug 2024 | Natural Gas |
| Griffith Energy LLC | Griffith Energy LLC | Golden Valley, AZ | Griffith Energy, LLC (GRIF) | 3.6 TWh | Dec 2001 | Aug 2024 | Natural Gas |
| Desert Basin | Salt River Project | Casa Grande, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 3.2 TWh | Sep 2001 | Aug 2024 | Natural Gas |
| Demoss Petrie | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 1.3 GWh | May 2001 | Dec 2023 | Natural Gas |
| South Point Energy Center | South Point Energy Center LLC | Mohave Valley, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 2.8 TWh | Feb 2001 | Aug 2024 | Natural Gas |
| Yuma Cogeneration Associates | Falcon Power Operating Company | Yuma, AZ | Arizona Public Service Company (AZPS) | 66.6 GWh | Feb 1994 | Aug 2024 | Natural Gas |
| Headgate Rock | Colorado River Indian Irr Proj | Parker, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 32.3 GWh | Feb 1993 | Dec 2023 | Water |
| 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% |
| 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% |
| Palo Verde | Arizona Public Service Co | Wintersburg, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 32.4 TWh | Dec 1985 | Aug 2024 | Nuclear |
| Springerville | Tucson Electric Power Co | Springerville, AZ | Tucson Electric Power (TEPC) | 6.4 TWh | May 1985 | Aug 2024 | Subbituminous Coal : 99.4% |
| South Consolidated | Salt River Project | Phoenix, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 29.0 MWh | Aug 1981 | Dec 2022 | Water |
| Coronado | Salt River Project | St Johns, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 3.0 TWh | Nov 1979 | Aug 2024 | Subbituminous Coal : 99.8% |
| Santan | Salt River Project | Gilbert, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 6.0 TWh | Sep 1974 | Aug 2024 | Natural Gas |
| Roosevelt | Salt River Project | Roosevelt, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 98.8 GWh | Feb 1973 | Dec 2023 | Water |
| 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% |
| Douglas | Arizona Public Service Co | Douglas, AZ | Arizona Public Service Company (AZPS) | 90.0 MWh | Apr 1972 | Dec 2023 | Distillate Fuel Oil |
| West Phoenix | Arizona Public Service Co | Phoenix, AZ | Arizona Public Service Company (AZPS) | 3.4 TWh | Apr 1972 | Aug 2024 | Natural Gas |
| Saguaro | Arizona Public Service Co | Red Rock, AZ | Arizona Public Service Company (AZPS) | 175.6 GWh | Apr 1972 | Dec 2023 | Natural Gas |
| Glen Canyon Dam | U S Bureau of Reclamation | Page, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 2.8 TWh | Aug 1964 | Aug 2024 | Water |
| Apache Station | Arizona Electric Pwr Coop Inc | Cochise, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 2.2 TWh | Jan 1963 | Aug 2024 | Natural Gas : 91.1% Subbituminous Coal : 8.9% |
| Cholla | Arizona Public Service Co | Joseph City, AZ | Arizona Public Service Company (AZPS) | 1.5 TWh | Apr 1962 | Aug 2024 | Subbituminous Coal : 99.9% |
| Ocotillo | Arizona Public Service Co | Tempe, AZ | Arizona Public Service Company (AZPS) | 583.7 GWh | Feb 1960 | Aug 2024 | Natural Gas |
| Yucca | Arizona Public Service Co | Yuma, AZ | Arizona Public Service Company (AZPS) | 292.8 GWh | Mar 1959 | Aug 2024 | Natural Gas : 99.4% Distillate Fuel Oil : 0.6% |
| H Wilson Sundt Generating Station | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 1.5 TWh | Nov 1958 | Aug 2024 | Natural Gas |
| Agua Fria | Salt River Project | Glendale, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 197.1 GWh | Mar 1957 | Aug 2024 | Natural Gas |
| Kyrene | Salt River Project | Tempe, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 1.1 TWh | Jun 1952 | Aug 2024 | Natural Gas |
| 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 |
| Hoover Dam (AZ) | U S Bureau of Reclamation | Boulder City, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 1.5 TWh | Aug 1936 | Aug 2024 | Water |
| Stewart Mountain | Salt River Project | Phoenix, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 35.0 GWh | Feb 1930 | Dec 2023 | Water |
| Horse Mesa | Salt River Project | Apache Junction, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 82.7 GWh | Mar 1927 | Aug 2024 | Water |
| Mormon Flat | Salt River Project | Apache Junction, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 52.0 GWh | Apr 1926 | Aug 2024 | Water |
| Mesquite Solar 4, LLC | Consolidated Edison Development Inc. | Tonopah, AZ | California Independent System Operator (CISO) | 103.6 GWh | - | Aug 2024 | Solar |
| Babbitt Ranch Energy Center | Babbitt Ranch Energy Center, LLC | Flagstaff, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 64.1 GWh | - | Aug 2024 | Wind |
| Eleven Mile Solar Center | Eleven Mile Solar Center, LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 237.9 GWh | - | Aug 2024 | Solar |
| Chevelon Butte Phase 2 | AES Clean Energy | Winslow, AZ | Arizona Public Service Company (AZPS) | 169.5 GWh | - | Aug 2024 | Wind |
| Sun Streams 3 | Sun Streams PVS, LLC | Arlington, AZ | Arizona Public Service Company (AZPS) | 251.1 GWh | - | Aug 2024 | Solar : 75.6% Electricity used for energy storage : 24.4% |
Browse Power Plants By Arizona Counties
Figures are based on December 2023 generation numbers.| County | State Rank | Active Plants | Dec 2023 Generation |
|---|---|---|---|
| Santa Cruz County, AZ | # 13 | 2 | 10.3 GWh |
| Gila County, AZ | # 12 | 2 | 51.4 GWh |
| Yavapai County, AZ | # 11 | 7 | 83.5 GWh |
| La Paz County, AZ | # 10 | 5 | 118.7 GWh |
| Yuma County, AZ | # 9 | 13 | 1.5 TWh |
| Navajo County, AZ | # 8 | 7 | 2.0 TWh |
| Pima County, AZ | # 7 | 38 | 2.3 TWh |
| County | State Rank | Active Plants | Dec 2023 Generation |
|---|---|---|---|
| Cochise County, AZ | # 6 | 11 | 2.6 TWh |
| Coconino County, AZ | # 5 | 8 | 3.8 TWh |
| Pinal County, AZ | # 4 | 20 | 5.9 TWh |
| Apache County, AZ | # 3 | 4 | 9.4 TWh |
| Mohave County, AZ | # 2 | 15 | 10.2 TWh |
| Maricopa County, AZ | # 1 | 82 | 77.1 TWh |