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) | 3.2 GWh | Nov 2009 | Dec 2023 | Solar |
| Dry Lake Wind LLC | Avangrid Renewables LLC | Heber, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 114.7 GWh | Jul 2009 | Jun 2024 | Wind |
| Novo BioPower Plant | Novo Biopower LLC | Snowflake, AZ | Arizona Public Service Company (AZPS) | 203.0 GWh | May 2008 | Dec 2022 | Wood/Wood Waste Solids |
| Black Mountain Generating Station | UNS Electric, Inc | Golden Valley, AZ | Tucson Electric Power (TEPC) | 113.5 GWh | Apr 2008 | Dec 2023 | Natural Gas |
| Arizona State University CHP | Energy Center Phoenix LLC | Tempe, AZ | Arizona Public Service Company (AZPS) | 46.2 GWh | Mar 2006 | Jun 2024 | Natural Gas |
| Harquahala Generating Project | New Harquahala Generating Co, LLC | Tonopah, AZ | New Harquahala Generating Company, LLC (HGMA) | 2.9 TWh | May 2004 | Jun 2024 | Natural Gas |
| Mesquite Generating Station Block 2 | Mesquite Power LLC | Arlington, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 3.8 TWh | Nov 2003 | Jun 2024 | Natural Gas |
| AZ State University - Tempe Campus Solar | Arizona State University FDM | Tempe, AZ | Arizona Public Service Company (AZPS) | 2.8 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) | 3.9 TWh | May 2003 | Jun 2024 | Natural Gas |
| Gila River Power Block 3 | Salt River Project | Gila Bend, AZ | Tucson Electric Power (TEPC) | 2.8 TWh | May 2003 | Jun 2024 | Natural Gas |
| Gila River Power Block 2 | Salt River Project | Gila Bend, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 3.6 TWh | May 2003 | Jun 2024 | Natural Gas |
| Gila River Power Block 4 | Salt River Project | Gila Bend, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.2 TWh | Apr 2003 | Jun 2024 | Natural Gas |
| Gila River Power Block 1 | Salt River Project | Gila Bend, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 3.0 TWh | Apr 2003 | Jun 2024 | Natural Gas |
| Cogeneration 1 | University of Arizona | Tucson, AZ | Tucson Electric Power (TEPC) | 60.1 GWh | Oct 2002 | Jun 2024 | Natural Gas |
| Cogeneration 2 | University of Arizona | Tucson, AZ | Tucson Electric Power (TEPC) | 40.9 GWh | Oct 2002 | Jun 2024 | Natural Gas |
| Prescott Airport | Arizona Public Service Co | Prescott, AZ | Arizona Public Service Company (AZPS) | 2.8 GWh | Sep 2002 | Dec 2023 | Solar |
| Red Hawk | Arizona Public Service Co | Arlington, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 4.0 TWh | Jun 2002 | Jun 2024 | Natural Gas |
| Arlington Valley Energy Facility | Arlington Valley LLC | Arlington, AZ | Arlington Valley, LLC (DEAA) | 3.9 TWh | May 2002 | Jun 2024 | Natural Gas |
| Sundance | Arizona Public Service Co | Casa Grande, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 526.7 GWh | Apr 2002 | Jun 2024 | Natural Gas |
| Griffith Energy LLC | Griffith Energy LLC | Golden Valley, AZ | Griffith Energy, LLC (GRIF) | 3.9 TWh | Dec 2001 | Jun 2024 | Natural Gas |
| Desert Basin | Salt River Project | Casa Grande, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 3.4 TWh | Sep 2001 | Jun 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) | 3.0 TWh | Feb 2001 | Jun 2024 | Natural Gas |
| Yuma Cogeneration Associates | Falcon Power Operating Company | Yuma, AZ | Arizona Public Service Company (AZPS) | 129.3 GWh | Feb 1994 | Mar 2024 | Natural Gas |
| Headgate Rock | Colorado River Indian Irr Proj | Parker, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 35.7 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) | 122.6 MWh | Oct 1990 | Dec 2023 | Natural Gas : 70.5% Distillate Fuel Oil : 29.5% |
| Valencia | UNS Electric, Inc | Nogales, AZ | Tucson Electric Power (TEPC) | 5.9 GWh | Jul 1989 | Dec 2023 | Natural Gas : 94.6% Distillate Fuel Oil : 5.4% |
| Palo Verde | Arizona Public Service Co | Wintersburg, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 35.0 TWh | Dec 1985 | Jun 2024 | Nuclear |
| Springerville | Tucson Electric Power Co | Springerville, AZ | Tucson Electric Power (TEPC) | 7.3 TWh | May 1985 | Jun 2024 | Subbituminous Coal : 99.3% |
| 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) | 3.4 TWh | Nov 1979 | Jun 2024 | Subbituminous Coal : 99.8% |
| Santan | Salt River Project | Gilbert, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 6.4 TWh | Sep 1974 | Jun 2024 | Natural Gas |
| Roosevelt | Salt River Project | Roosevelt, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 103.3 GWh | Feb 1973 | Dec 2023 | Water |
| North Loop | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 5.4 GWh | Nov 1972 | Dec 2023 | Natural Gas : 99.6% |
| Douglas | Arizona Public Service Co | Douglas, AZ | Arizona Public Service Company (AZPS) | 94.8 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 | Jun 2024 | Natural Gas |
| Saguaro | Arizona Public Service Co | Red Rock, AZ | Arizona Public Service Company (AZPS) | 182.2 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) | 3.7 TWh | Aug 1964 | Jun 2024 | Water |
| Apache Station | Arizona Electric Pwr Coop Inc | Cochise, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 2.3 TWh | Jan 1963 | Jun 2024 | Natural Gas : 83.2% Subbituminous Coal : 16.8% |
| Cholla | Arizona Public Service Co | Joseph City, AZ | Arizona Public Service Company (AZPS) | 2.0 TWh | Apr 1962 | Feb 2024 | Subbituminous Coal : 99.9% |
| Ocotillo | Arizona Public Service Co | Tempe, AZ | Arizona Public Service Company (AZPS) | 759.8 GWh | Feb 1960 | Jun 2024 | Natural Gas |
| Yucca | Arizona Public Service Co | Yuma, AZ | Arizona Public Service Company (AZPS) | 276.9 GWh | Mar 1959 | Jun 2024 | Natural Gas : 99.5% |
| H Wilson Sundt Generating Station | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 1.5 TWh | Nov 1958 | Jun 2024 | Natural Gas |
| Agua Fria | Salt River Project | Glendale, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 134.9 GWh | Mar 1957 | Jun 2024 | Natural Gas : 99.9% |
| Kyrene | Salt River Project | Tempe, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 1.2 TWh | Jun 1952 | Jun 2024 | Natural Gas |
| Davis Dam | U S Bureau of Reclamation | Kingman, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 973.1 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) | 1.6 TWh | Aug 1936 | Jun 2024 | Water |
| Stewart Mountain | Salt River Project | Phoenix, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 36.9 GWh | Feb 1930 | Dec 2023 | Water |
| Horse Mesa | Salt River Project | Apache Junction, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 75.2 GWh | Mar 1927 | Jun 2024 | Water |
| Mormon Flat | Salt River Project | Apache Junction, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 47.3 GWh | Apr 1926 | Jun 2024 | Water |
| Mesquite Solar 4, LLC | Consolidated Edison Development Inc. | Tonopah, AZ | California Independent System Operator (CISO) | 73.3 GWh | - | Jun 2024 | Solar |
| Eleven Mile Solar Center | Eleven Mile Solar Center, LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 72.9 GWh | - | Jun 2024 | Solar |
| Chevelon Butte Phase 2 | AES Clean Energy | Winslow, AZ | Arizona Public Service Company (AZPS) | 107.1 GWh | - | Jun 2024 | Wind |
| Sun Streams 3 | Sun Streams PVS, LLC | Arlington, AZ | Arizona Public Service Company (AZPS) | 75.9 GWh | - | Jun 2024 | Solar : 78.8% Electricity used for energy storage : 21.2% |
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 | 11.1 GWh |
| Gila County, AZ | # 12 | 2 | 53.8 GWh |
| Yavapai County, AZ | # 11 | 7 | 88.4 GWh |
| La Paz County, AZ | # 10 | 5 | 131.1 GWh |
| Yuma County, AZ | # 9 | 13 | 1.5 TWh |
| Pima County, AZ | # 8 | 37 | 2.3 TWh |
| Navajo County, AZ | # 7 | 7 | 2.5 TWh |
| County | State Rank | Active Plants | Dec 2023 Generation |
|---|---|---|---|
| Cochise County, AZ | # 6 | 9 | 2.8 TWh |
| Coconino County, AZ | # 5 | 8 | 4.6 TWh |
| Pinal County, AZ | # 4 | 19 | 6.1 TWh |
| Apache County, AZ | # 3 | 4 | 10.7 TWh |
| Mohave County, AZ | # 2 | 15 | 10.9 TWh |
| Maricopa County, AZ | # 1 | 80 | 82.1 TWh |