Directory of Power Plants in Arizona
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Northwest Regional | WM Renewable Energy LLC | Surprise, AZ | Arizona Public Service Company (AZPS) | 19.1 GWh | Jul 2012 | Dec 2023 | Landfill Gas |
| Wilmot Energy Center LLC | Wilmot Energy Center LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 268.9 GWh | Mar 2021 | Jun 2024 | Solar : 99.9% |
| West Line Solar, LLC | West Line Solar, LLC | City of Eloy, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 298.3 GWh | Nov 2022 | Jun 2024 | Solar |
| Rio Rico Solar | UNS Electric, Inc | Rio Rico, AZ | Tucson Electric Power (TEPC) | 5.1 GWh | Feb 2014 | Nov 2023 | Solar |
| Jacobson 5 MW Solar | UNS Electric, Inc | Kingman, AZ | Tucson Electric Power (TEPC) | 8.8 GWh | Feb 2017 | Dec 2023 | Solar |
| La Senita | UNS Electric, Inc | Kingman, AZ | Tucson Electric Power (TEPC) | 1.0 GWh | Oct 2011 | Dec 2023 | Solar |
| Black Mountain Generating Station | UNS Electric, Inc | Golden Valley, AZ | Tucson Electric Power (TEPC) | 113.5 GWh | Apr 2008 | Dec 2023 | Natural Gas |
| 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% |
| 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% |
| 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 |
| 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 |
| 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 |
| 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 |
| UASTP I | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 418.1 MWh | Nov 2010 | Dec 2023 | Solar |
| Springerville | Tucson Electric Power Co | Springerville, AZ | Tucson Electric Power (TEPC) | 7.3 TWh | May 1985 | Jun 2024 | Subbituminous Coal : 99.3% |
| Prairie Fire | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 7.9 GWh | Nov 2012 | Dec 2023 | Solar |
| North Loop | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 5.4 GWh | Nov 1972 | Dec 2023 | Natural Gas : 99.6% |
| Raptor Ridge | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 35.0 GWh | May 2022 | Dec 2023 | Solar |
| Fort Huachuca Solar PV Project | Tucson Electric Power Co | Sierra Vista, AZ | Tucson Electric Power (TEPC) | 39.1 GWh | Nov 2014 | Dec 2023 | Solar |
| Demoss Petrie | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 1.3 GWh | May 2001 | Dec 2023 | Natural Gas |
| H Wilson Sundt Generating Station | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 1.5 TWh | Nov 1958 | Jun 2024 | Natural Gas |
| Pima Community College | Tesla Inc. | Tucson, AZ | Tucson Electric Power (TEPC) | 1.6 GWh | Jul 2019 | Dec 2022 | Solar |
| Intel - Ocotillo Campus Solar | Tesla Inc. | Chandler, AZ | Arizona Public Service Company (AZPS) | 11.1 GWh | Nov 2017 | Dec 2023 | Solar |
| Actus Lend Lease DMAFB | Tesla Inc. | Tucson, AZ | Tucson Electric Power (TEPC) | 3.2 GWh | Nov 2009 | Dec 2023 | Solar |
| Walmart Casa Grande | Tesla Inc. | Casa Grande, AZ | Arizona Public Service Company (AZPS) | 1.9 GWh | May 2011 | Dec 2023 | Solar |
| Estrella Mountain PV | Tesla Inc. | Avondale, AZ | Arizona Public Service Company (AZPS) | 4.3 GWh | May 2019 | Dec 2023 | Solar |
| Pima Community College - East Campus | Tesla Inc. | Tucson, AZ | Tucson Electric Power (TEPC) | 1.7 GWh | Jul 2017 | Dec 2023 | Solar |
| Cogenra - TEP | Terraform Arcadia | Tucson, AZ | Tucson Electric Power (TEPC) | 2.2 GWh | Jun 2014 | Dec 2023 | Solar |
| Roger Road WWTP | SunE M5C Holdings LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 1.2 GWh | Jul 2010 | Dec 2023 | Solar |
| Saddle Mountain Solar I | SunE AZ2, LLC | Tonopah, AZ | Arizona Public Service Company (AZPS) | 32.5 GWh | Nov 2012 | Dec 2023 | Solar |
| Prescott Solar Plant | SunE AZ1, LLC | Prescott, AZ | Arizona Public Service Company (AZPS) | 24.0 GWh | Nov 2011 | Dec 2023 | Solar |
| 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% |
| Sun Streams 2 | Sun Streams 2, LLC | Hassayampa, AZ | California Independent System Operator (CISO) | 349.9 GWh | May 2021 | Jun 2024 | Solar |
| Storey Solar and Storage | Storey Energy Center, LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 155.7 GWh | Aug 2023 | Jun 2024 | Solar : 99.9% |
| SR McNeal | SR McNeal, LLC | McNeal, AZ | Tucson Electric Power (TEPC) | 29.4 GWh | Nov 2023 | Jun 2024 | Solar |
| 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 |
| Sonoran Solar Energy | Sonoran Solar Energy, LLC | Buckeye, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 652.6 GWh | Jun 2023 | Jun 2024 | Solar |
| Phoenix Airport Rental Car Center | Solar Star Arizona II LLC | Phoenix, AZ | Arizona Public Service Company (AZPS) | 2.9 GWh | Nov 2012 | Dec 2023 | Solar |
| Phoenix Airport East Economy Lot | Solar Star Arizona II LLC | Phoenix, AZ | Arizona Public Service Company (AZPS) | 904.9 MWh | Nov 2012 | Dec 2023 | Solar |
| T0588 Phoenix - AZ | SoCore Energy LLC | Phoenix, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.7 GWh | Apr 2017 | Dec 2022 | Solar |
| Amazon TUS2 | SkyHigh 2 Solar | Tucson, AZ | Tucson Electric Power (TEPC) | 3.3 GWh | May 2022 | Dec 2022 | Solar |
| Queen Creek Solar Farm | Siete Solar LLC | Queen Creek, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 48.5 GWh | Sep 2012 | Dec 2023 | Solar |
| 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 |
| Gila River Power Block 3 | Salt River Project | Gila Bend, AZ | Tucson Electric Power (TEPC) | 2.8 TWh | May 2003 | Jun 2024 | Natural Gas |
| 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 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 |
| Stewart Mountain | Salt River Project | Phoenix, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 36.9 GWh | Feb 1930 | Dec 2023 | 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 |
| 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 |
| 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 |
| Kyrene | Salt River Project | Tempe, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 1.2 TWh | Jun 1952 | 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 |
| 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 |
| 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% |
| South Consolidated | Salt River Project | Phoenix, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 29.0 MWh | Aug 1981 | Dec 2022 | Water |
| Coolidge Generation Station | Salt River Project | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 391.5 GWh | Apr 2011 | Jun 2024 | Natural Gas |
| Saint Solar | Saint Solar LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 287.0 GWh | Dec 2020 | Jun 2024 | Solar |
| Valencia Solar | RWE Renewables Americas, LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 27.4 GWh | May 2013 | Dec 2023 | Solar |
| Tech Park Solar | RWE Renewables Americas, LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 14.4 GWh | Nov 2012 | Dec 2023 | Solar |
| Iron Horse Battery Storage Hybrid | RWE Renewables Americas, LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 4.6 GWh | Mar 2017 | Dec 2023 | Solar |
| Red Horse III | Red Horse III | Wilcox, AZ | Tucson Electric Power (TEPC) | 51.5 GWh | Jun 2016 | Dec 2023 | Solar |
| Red Horse 2 | Red Horse 2 | Willcox, AZ | Tucson Electric Power (TEPC) | 221.6 GWh | Jul 2015 | Jun 2024 | Solar : 68.6% Wind : 31.4% |
| Pinal Central Energy Center Hybrid | Pinal Central Energy Center, LLC | Casa Grande, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 56.6 GWh | Mar 2018 | Jun 2024 | Solar |
| Perrin Ranch Wind LLC | Perrin Ranch Wind LLC | Williams, AZ | Arizona Public Service Company (AZPS) | 209.2 GWh | Dec 2011 | Jun 2024 | Wind |
| Pima Community College NW | Onyx Asset Services Group | Tucson, AZ | Tucson Electric Power (TEPC) | 3.2 GWh | Mar 2019 | Dec 2022 | Solar |
| OE_AZ1 | Onward Energy | Salome, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 95.3 GWh | Nov 2019 | Jun 2024 | Solar |
| Novo BioPower Plant | Novo Biopower LLC | Snowflake, AZ | Arizona Public Service Company (AZPS) | 203.0 GWh | May 2008 | Dec 2022 | Wood/Wood Waste Solids |
| Kayenta Solar Project | NGI-Kayenta Solar Lessor I, LLC | Kayenta, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 104.5 GWh | Apr 2017 | Jun 2024 | Solar |
| 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 |
| Mohave Energy - Hybrid | Mohave Energy | Fort Mohave, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 18.0 GWh | Aug 2023 | Jun 2024 | Solar |
| Mohave Electric Cooperative at Joy Lane | Mohave Electric Cooperative, Inc. | Fort Mohave, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 10.9 GWh | Sep 2016 | Dec 2022 | Solar |
| Mohave Electric at Fort Mohave | Mohave Electric Cooperative, Inc. | Fort Mohave, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 8.6 GWh | Mar 2015 | Dec 2023 | Solar |
| Mohave County Wind Farm | Mohave County Wind Farm | Willow Beach, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 1.1 TWh | Nov 2020 | Jun 2024 | Wind |
| Lake Pleasant WTP | MN8 Energy LLC | Peoria, AZ | Arizona Public Service Company (AZPS) | 15.1 GWh | Nov 2012 | Dec 2023 | Solar |
| RE Gillespie 1 LLC | MN8 Energy LLC | Gila Bend, AZ | Arizona Public Service Company (AZPS) | 40.2 GWh | Nov 2013 | Dec 2023 | Solar |
| Sulphur Springs | MN8 Energy LLC | Cochise, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 55.8 GWh | Nov 2016 | Dec 2023 | Solar |
| Picture Rocks Solar, LLC | MN8 Energy LLC | Marana, AZ | Tucson Electric Power (TEPC) | 51.5 GWh | Nov 2012 | Dec 2023 | Solar |
| Broadway 3 - Tucson Phase I | MN8 Energy LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 1.8 GWh | Feb 2011 | Dec 2023 | Solar |
| Broadway 2 - Tucson Phase II | MN8 Energy LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 6.5 GWh | Nov 2013 | Dec 2023 | Solar |
| Davis Monthan AFB (AZ) West Airfield | MN8 Energy LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 32.8 GWh | Dec 2013 | Dec 2023 | Solar |
| 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 |
| Macys Goodyear | Macys Corporate Services, Inc | Goodyear, AZ | Arizona Public Service Company (AZPS) | 3.7 GWh | Nov 2010 | Dec 2022 | Solar |
| Union HS at Casa Grande | Luminace Solar Holding, LLC | Casa Grande, AZ | Arizona Public Service Company (AZPS) | 2.7 GWh | Nov 2012 | Dec 2023 | Solar |
| Vista Grande HS at Casa Grande | Luminace Solar Holding, LLC | Casa Grande, AZ | Arizona Public Service Company (AZPS) | 2.9 GWh | Nov 2012 | Dec 2023 | Solar |
| Buckeye Union HS District 201 | Luminace Solar Arizona, LLC | Buckeye, AZ | Arizona Public Service Company (AZPS) | 6.6 GWh | Nov 2011 | Dec 2023 | Solar |
| Amphitheater High School Solar | Luminace Solar Arizona 2, LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 2.1 GWh | Nov 2016 | Dec 2023 | Solar |
| Canyon Del Oro High School Solar | Luminace Solar Arizona 2, LLC | Oro Valley, AZ | Tucson Electric Power (TEPC) | 2.8 GWh | Oct 2016 | Dec 2023 | Solar |
| Griffith Energy LLC | Griffith Energy LLC | Golden Valley, AZ | Griffith Energy, LLC (GRIF) | 3.9 TWh | Dec 2001 | Jun 2024 | Natural Gas |
| Gray Hawk Solar | Gray Hawk Solar, LLC | Kingman, AZ | Tucson Electric Power (TEPC) | 155.0 GWh | May 2018 | Jun 2024 | Solar |
| Gilbert Solar Facility I, LLC | Gilbert Solar Facility I, LLC | Gilbert, AZ | Arizona Public Service Company (AZPS) | 3.7 GWh | Sep 2011 | Dec 2023 | Solar |
| FRB Solar Farm | FRB Solar LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 4.2 GWh | Mar 2011 | Dec 2023 | Solar |
| Yuma Cogeneration Associates | Falcon Power Operating Company | Yuma, AZ | Arizona Public Service Company (AZPS) | 129.3 GWh | Feb 1994 | Mar 2024 | 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 |
| 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 |
| Sun Streams, LLC | EDP Renewables North America LLC | Arlington, AZ | California Independent System Operator (CISO) | 438.9 GWh | Dec 2019 | Jun 2024 | Solar |
| Gato Montes Solar, LLC | Duke Energy Renewables Services | Tucson, AZ | Tucson Electric Power (TEPC) | 6.6 GWh | Nov 2012 | Dec 2023 | Solar |
| Black Mountain Solar LLC | Duke Energy Renewables Services | Golden Valley, AZ | Arizona Public Service Company (AZPS) | 21.3 GWh | Nov 2012 | Dec 2023 | Solar |
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 |