Directory of Power Plants in Arizona
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| White Wing Solar | Leeward Asset Management, LLC | Yuma, AZ | California Independent System Operator (CISO) | 117.9 GWh | - | Jan 2025 | Solar |
| Mesquite Solar 4, LLC | Consolidated Edison Development Inc. | Tonopah, AZ | California Independent System Operator (CISO) | 148.5 GWh | - | Jan 2025 | Solar : 99.9% |
| Babbitt Ranch Energy Center | Babbitt Ranch Energy Center, LLC | Flagstaff, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 266.8 GWh | - | Jan 2025 | Wind |
| Eleven Mile Solar Center | Eleven Mile Solar Center, LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 426.0 GWh | - | Jan 2025 | Solar |
| McFarland B Solar and Storage | AES Clean Energy | Dateland, AZ | California Independent System Operator (CISO) | 27.5 GWh | - | Jan 2025 | Solar |
| Chevelon Butte Phase 2 | AES Clean Energy | Winslow, AZ | Arizona Public Service Company (AZPS) | 338.0 GWh | - | Jan 2025 | Wind |
| Sun Streams 3 | Sun Streams PVS, LLC | Arlington, AZ | Arizona Public Service Company (AZPS) | 578.2 GWh | - | Jan 2025 | Solar : 71.6% Electricity used for energy storage : 28.4% |
| Brittlebush Solar | Randolph Solar Park LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 103.4 GWh | - | Jan 2025 | Solar |
| Agave | Arizona Public Service Co | Maricopa County, AZ | 117.9 GWh | - | Jan 2025 | Solar | |
| Mormon Flat | Salt River Project | Apache Junction, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 55.3 GWh | Apr 1926 | Jan 2025 | Water |
| Horse Mesa | Salt River Project | Apache Junction, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 101.3 GWh | Mar 1927 | Jan 2025 | 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 |
| Hoover Dam (AZ) | U S Bureau of Reclamation | Boulder City, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 1.4 TWh | Aug 1936 | Jan 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 |
| Kyrene | Salt River Project | Tempe, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 1.1 TWh | Jun 1952 | Jan 2025 | Natural Gas |
| Agua Fria | Salt River Project | Glendale, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 235.4 GWh | Mar 1957 | Jan 2025 | Natural Gas |
| H Wilson Sundt Generating Station | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 1.8 TWh | Nov 1958 | Jan 2025 | Natural Gas |
| Yucca | Arizona Public Service Co | Yuma, AZ | Arizona Public Service Company (AZPS) | 308.0 GWh | Mar 1959 | Jan 2025 | Natural Gas : 98.4% Distillate Fuel Oil : 1.6% |
| Ocotillo | Arizona Public Service Co | Tempe, AZ | Arizona Public Service Company (AZPS) | 515.7 GWh | Feb 1960 | Jan 2025 | Natural Gas |
| Cholla | Arizona Public Service Co | Joseph City, AZ | Arizona Public Service Company (AZPS) | 1.3 TWh | Apr 1962 | Jan 2025 | Subbituminous Coal : 99.9% |
| Apache Station | Arizona Electric Pwr Coop Inc | Cochise, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 2.3 TWh | Jan 1963 | Jan 2025 | Natural Gas : 88.6% Subbituminous Coal : 11.4% |
| Glen Canyon Dam | U S Bureau of Reclamation | Page, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 2.7 TWh | Aug 1964 | Jan 2025 | Water |
| 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) | 3.5 TWh | Apr 1972 | Jan 2025 | Natural Gas |
| Saguaro | Arizona Public Service Co | Red Rock, AZ | Arizona Public Service Company (AZPS) | 175.6 GWh | Apr 1972 | Dec 2023 | Natural Gas |
| 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% |
| Roosevelt | Salt River Project | Roosevelt, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 98.8 GWh | Feb 1973 | Dec 2023 | Water |
| Santan | Salt River Project | Gilbert, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 5.8 TWh | Sep 1974 | Jan 2025 | Natural Gas |
| Coronado | Salt River Project | St Johns, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.6 TWh | Nov 1979 | Jan 2025 | Subbituminous Coal : 99.8% |
| South Consolidated | Salt River Project | Phoenix, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 29.0 MWh | Aug 1981 | Dec 2022 | Water |
| Springerville | Tucson Electric Power Co | Springerville, AZ | Tucson Electric Power (TEPC) | 5.3 TWh | May 1985 | Jan 2025 | Subbituminous Coal : 99.2% |
| Palo Verde | Arizona Public Service Co | Wintersburg, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 32.4 TWh | Dec 1985 | Jan 2025 | Nuclear |
| 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% |
| 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% |
| 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 |
| Yuma Cogeneration Associates | Falcon Power Operating Company | Yuma, AZ | Arizona Public Service Company (AZPS) | 36.3 GWh | Feb 1994 | Jan 2025 | Natural Gas |
| South Point Energy Center | South Point Energy Center LLC | Mohave Valley, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 2.7 TWh | Feb 2001 | Jan 2025 | Natural Gas |
| Demoss Petrie | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 1.3 GWh | May 2001 | Dec 2023 | Natural Gas |
| Desert Basin | Salt River Project | Casa Grande, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.4 TWh | Sep 2001 | Jan 2025 | Natural Gas |
| Griffith Energy LLC | Griffith Energy LLC | Golden Valley, AZ | Griffith Energy, LLC (GRIF) | 3.8 TWh | Dec 2001 | Jan 2025 | Natural Gas |
| Sundance | Arizona Public Service Co | Casa Grande, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 395.8 GWh | Apr 2002 | Jan 2025 | Natural Gas |
| Arlington Valley Energy Facility | Arlington Valley LLC | Arlington, AZ | Arlington Valley, LLC (DEAA) | 3.5 TWh | May 2002 | Jan 2025 | Natural Gas |
| Red Hawk | Arizona Public Service Co | Arlington, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 4.4 TWh | Jun 2002 | Jan 2025 | Natural Gas |
| Prescott Airport | Arizona Public Service Co | Prescott, AZ | Arizona Public Service Company (AZPS) | 2.6 GWh | Sep 2002 | Dec 2023 | Solar |
| Cogeneration 1 | University of Arizona | Tucson, AZ | Tucson Electric Power (TEPC) | 55.2 GWh | Oct 2002 | Jan 2025 | Natural Gas |
| Cogeneration 2 | University of Arizona | Tucson, AZ | Tucson Electric Power (TEPC) | 37.1 GWh | Oct 2002 | Jan 2025 | Natural Gas |
| Gila River Power Block 4 | Salt River Project | Gila Bend, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 3.0 TWh | Apr 2003 | Jan 2025 | Natural Gas |
| Gila River Power Block 1 | Salt River Project | Gila Bend, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.0 TWh | Apr 2003 | Jan 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 | Jan 2025 | Natural Gas |
| Gila River Power Block 3 | Salt River Project | Gila Bend, AZ | Tucson Electric Power (TEPC) | 3.2 TWh | May 2003 | Jan 2025 | Natural Gas |
| 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 | Jan 2025 | 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 | Jan 2025 | 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 |
| Harquahala Generating Project | New Harquahala Generating Co, LLC | Tonopah, AZ | New Harquahala Generating Company, LLC (HGMA) | 3.6 TWh | May 2004 | Jan 2025 | Natural Gas |
| Arizona State University CHP | Energy Center Phoenix LLC | Tempe, AZ | Arizona Public Service Company (AZPS) | 42.6 GWh | Mar 2006 | Jan 2025 | Natural Gas |
| Black Mountain Generating Station | UNS Electric, Inc | Golden Valley, AZ | Tucson Electric Power (TEPC) | 94.9 GWh | Apr 2008 | Dec 2023 | Natural Gas |
| 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% |
| Dry Lake Wind LLC | Avangrid Renewables LLC | Heber, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 105.4 GWh | Jul 2009 | Jan 2025 | Wind |
| Actus Lend Lease DMAFB | Tesla Inc. | Tucson, AZ | Tucson Electric Power (TEPC) | 3.0 GWh | Nov 2009 | Dec 2023 | Solar |
| Roger Road WWTP | SunE M5C Holdings LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 1.1 GWh | Jul 2010 | Dec 2023 | Solar |
| Poseidon Wind, LLC | Axium Arizona Renewables, LLC | Herber, AZ | Arizona Public Service Company (AZPS) | 114.3 GWh | Nov 2010 | Jan 2025 | Wind |
| UASTP I | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 403.0 MWh | Nov 2010 | Dec 2023 | Solar |
| Macys Goodyear | Macys Corporate Services, Inc | Goodyear, AZ | Arizona Public Service Company (AZPS) | 3.5 GWh | Nov 2010 | Dec 2022 | Solar |
| Broadway 3 - Tucson Phase I | MN8 Energy LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 1.7 GWh | Feb 2011 | Dec 2023 | Solar |
| FRB Solar Farm | FRB Solar LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 4.1 GWh | Mar 2011 | Dec 2023 | Solar |
| Coolidge Generation Station | Salt River Project | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 188.1 GWh | Apr 2011 | Jan 2025 | Natural Gas |
| Walmart Casa Grande | Tesla Inc. | Casa Grande, AZ | Arizona Public Service Company (AZPS) | 1.8 GWh | May 2011 | Dec 2023 | Solar |
| RE Ajo 1 LLC | Duke Energy Renewables Services | Ajo, AZ | Arizona Public Service Company (AZPS) | 9.1 GWh | Jul 2011 | Dec 2023 | Solar |
| Paloma Solar Hybrid | Arizona Public Service Co | Gila Bend, AZ | Arizona Public Service Company (AZPS) | 39.0 GWh | Aug 2011 | Dec 2023 | Solar |
| Kingman 1 | Brookfield Renewable Trading and Marketing LP | Kingman, AZ | Arizona Public Service Company (AZPS) | 18.5 GWh | Aug 2011 | Jan 2025 | Wind : 95.9% Solar : 4.1% |
| Gilbert Solar Facility I, LLC | Gilbert Solar Facility I, LLC | Gilbert, AZ | Arizona Public Service Company (AZPS) | 3.6 GWh | Sep 2011 | Dec 2023 | Solar |
| La Senita | UNS Electric, Inc | Kingman, AZ | Tucson Electric Power (TEPC) | 931.0 MWh | Oct 2011 | Dec 2023 | Solar |
| Cotton Center Solar Hybrid | Arizona Public Service Co | Gila Bend, AZ | Arizona Public Service Company (AZPS) | 41.2 GWh | Oct 2011 | Dec 2023 | Solar |
| Hyder Solar Hybrid | Arizona Public Service Co | Hyder, AZ | Arizona Public Service Company (AZPS) | 40.2 GWh | Oct 2011 | Dec 2023 | Solar |
| Mesquite Solar 1 | Consolidated Edison Development Inc. | Tonopah, AZ | California Independent System Operator (CISO) | 403.9 GWh | Oct 2011 | Dec 2023 | Solar |
| Arizona Western College PV | AES Distributed Energy | Yuma, AZ | Arizona Public Service Company (AZPS) | 5.6 GWh | Oct 2011 | Dec 2023 | Solar |
| Poseidon Solar, LLC | Axium Arizona Renewables, LLC | Globe, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 51.4 GWh | Nov 2011 | Dec 2023 | Solar |
| RE Bagdad Solar I LLC | Duke Energy Renewables Services | Bagdad, AZ | Arizona Public Service Company (AZPS) | 31.7 GWh | Nov 2011 | Dec 2023 | Solar |
| Buckeye Union HS District 201 | Luminace Solar Arizona, LLC | Buckeye, AZ | Arizona Public Service Company (AZPS) | 6.3 GWh | Nov 2011 | Dec 2023 | Solar |
| Prescott Solar Plant | SunE AZ1, LLC | Prescott, AZ | Arizona Public Service Company (AZPS) | 22.9 GWh | Nov 2011 | Dec 2023 | Solar |
| Perrin Ranch Wind LLC | Perrin Ranch Wind LLC | Williams, AZ | Arizona Public Service Company (AZPS) | 186.8 GWh | Dec 2011 | Jan 2025 | Wind |
| Agua Caliente Solar Project | Agua Caliente Solar | Dateland, AZ | California Independent System Operator (CISO) | 655.8 GWh | Apr 2012 | Jan 2025 | Solar |
| Northwest Regional | WM Renewable Energy LLC | Surprise, AZ | Arizona Public Service Company (AZPS) | 17.6 GWh | Jul 2012 | Dec 2023 | Landfill Gas |
| Jewish Community Center PV | AES Distributed Energy | Scottsdale, AZ | Arizona Public Service Company (AZPS) | 2.0 GWh | Aug 2012 | Dec 2023 | Solar |
| 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 |
| Chino Solar Valley | Arizona Public Service Co | Chino Valley, AZ | Arizona Public Service Company (AZPS) | 26.3 GWh | Nov 2012 | Dec 2023 | Solar |
| Black Mountain Solar LLC | Duke Energy Renewables Services | Golden Valley, AZ | Arizona Public Service Company (AZPS) | 20.3 GWh | Nov 2012 | Dec 2023 | Solar |
| Prairie Fire | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 7.5 GWh | Nov 2012 | 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 |
| Picture Rocks Solar, LLC | MN8 Energy LLC | Marana, AZ | Tucson Electric Power (TEPC) | 49.0 GWh | Nov 2012 | Dec 2023 | Solar |
| Union HS at Casa Grande | Luminace Solar Holding, LLC | Casa Grande, AZ | Arizona Public Service Company (AZPS) | 2.6 GWh | Nov 2012 | Dec 2023 | Solar |
| Vista Grande HS at Casa Grande | Luminace Solar Holding, LLC | Casa Grande, AZ | Arizona Public Service Company (AZPS) | 2.7 GWh | Nov 2012 | Dec 2023 | Solar |
| Lake Pleasant WTP | MN8 Energy LLC | Peoria, AZ | Arizona Public Service Company (AZPS) | 14.4 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 |
| 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 |
| Gato Montes Solar, LLC | Duke Energy Renewables Services | Tucson, AZ | Tucson Electric Power (TEPC) | 6.2 GWh | Nov 2012 | Dec 2023 | Solar |
| Tech Park Solar | RWE Renewables Americas, LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 13.7 GWh | Nov 2012 | Dec 2023 | Solar |
| Avra Valley Solar | Avra Valley Solar | Marana, AZ | Tucson Electric Power (TEPC) | 64.8 GWh | Dec 2012 | Dec 2023 | Solar |
| Paradise Valley H.S. PV | AES Distributed Energy | Phoenix, AZ | Arizona Public Service Company (AZPS) | 2.0 GWh | Dec 2012 | Dec 2023 | Solar |
| Foothills Solar Plant Hybrid | Arizona Public Service Co | Yuma, AZ | Arizona Public Service Company (AZPS) | 101.5 GWh | Feb 2013 | Dec 2023 | Solar |
Browse Power Plants By Arizona Counties
Figures are based on January 2025 generation numbers.| County | State Rank | Active Plants | Jan 2025 Generation |
|---|---|---|---|
| Maricopa County, AZ | # 1 | 83 | 79.7 TWh |
| Mohave County, AZ | # 2 | 15 | 10.1 TWh |
| Apache County, AZ | # 3 | 4 | 7.9 TWh |
| Pinal County, AZ | # 4 | 20 | 5.3 TWh |
| Coconino County, AZ | # 5 | 8 | 4.1 TWh |
| Cochise County, AZ | # 6 | 11 | 2.8 TWh |
| Pima County, AZ | # 7 | 38 | 2.6 TWh |
| County | State Rank | Active Plants | Jan 2025 Generation |
|---|---|---|---|
| Yuma County, AZ | # 8 | 13 | 1.8 TWh |
| Navajo County, AZ | # 9 | 7 | 1.8 TWh |
| La Paz County, AZ | # 10 | 5 | 119.6 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 |