Directory of Power Plants in Arizona
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Douglas | Arizona Public Service Co | Douglas, AZ | Arizona Public Service Company (AZPS) | 90.0 MWh | Apr 1972 | Dec 2023 | Distillate Fuel Oil |
| Northwest Regional | WM Renewable Energy LLC | Surprise, AZ | Arizona Public Service Company (AZPS) | 17.6 GWh | Jul 2012 | Dec 2023 | Landfill 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 |
| Arizona State University CHP | Energy Center Phoenix LLC | Tempe, AZ | Arizona Public Service Company (AZPS) | 43.1 GWh | Mar 2006 | Aug 2024 | Natural Gas |
| Santan | Salt River Project | Gilbert, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 6.0 TWh | Sep 1974 | 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 |
| 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 |
| 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 |
| Arlington Valley Energy Facility | Arlington Valley LLC | Arlington, AZ | Arlington Valley, LLC (DEAA) | 3.6 TWh | May 2002 | 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 |
| Cogeneration 2 | University of Arizona | Tucson, AZ | Tucson Electric Power (TEPC) | 37.1 GWh | Oct 2002 | Aug 2024 | Natural Gas |
| 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 |
| 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 |
| 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 |
| Cogeneration 1 | University of Arizona | Tucson, AZ | Tucson Electric Power (TEPC) | 55.5 GWh | Oct 2002 | Aug 2024 | 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 |
| 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 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 |
| Coolidge Generation Station | Salt River Project | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 281.8 GWh | Apr 2011 | Aug 2024 | Natural Gas |
| Ocotillo | Arizona Public Service Co | Tempe, AZ | Arizona Public Service Company (AZPS) | 583.7 GWh | Feb 1960 | Aug 2024 | Natural Gas |
| 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 |
| 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 | 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 |
| Gila River Power Block 3 | Salt River Project | Gila Bend, AZ | Tucson Electric Power (TEPC) | 2.6 TWh | May 2003 | Aug 2024 | 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 | 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 |
| 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% |
| 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% |
| 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% |
| 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% |
| 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% |
| 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 |
| Mohave Electric at Fort Mohave | Mohave Electric Cooperative, Inc. | Fort Mohave, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 8.2 GWh | Mar 2015 | Dec 2023 | Solar |
| Avalon Solar II | Avalon Solar Partners II, LLC | Sahuarita, AZ | Tucson Electric Power (TEPC) | 43.9 GWh | Feb 2016 | Dec 2023 | Solar |
| Davis Monthan AFB (AZ) West Airfield | MN8 Energy LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 31.5 GWh | Dec 2013 | Dec 2023 | Solar |
| Sandstone Solar | AES Distributed Energy | Florence, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 111.1 GWh | Nov 2015 | Dec 2023 | Solar |
| Valencia Solar | RWE Renewables Americas, LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 26.2 GWh | May 2013 | Dec 2023 | Solar |
| Desert Star Hybrid | Arizona Public Service Co | Buckeye, AZ | Arizona Public Service Company (AZPS) | 30.0 GWh | Aug 2015 | Dec 2023 | Solar |
| Tech Park Solar | RWE Renewables Americas, LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 13.7 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 |
| Estrella Mountain PV | Tesla Inc. | Avondale, AZ | Arizona Public Service Company (AZPS) | 4.2 GWh | May 2019 | Dec 2023 | Solar |
| Avalon Solar | Arevon Energy, Inc. | Pima, AZ | Tucson Electric Power (TEPC) | 70.9 GWh | Nov 2014 | Dec 2023 | Solar |
| Rio Rico Solar | UNS Electric, Inc | Rio Rico, AZ | Tucson Electric Power (TEPC) | 4.7 GWh | Feb 2014 | Nov 2023 | Solar |
| Gila Bend Hybrid | Arizona Public Service Co | Gila Bend, AZ | Arizona Public Service Company (AZPS) | 80.0 GWh | Sep 2014 | Dec 2023 | Solar |
| Fort Huachuca Solar PV Project | Tucson Electric Power Co | Sierra Vista, AZ | Tucson Electric Power (TEPC) | 37.2 GWh | Nov 2014 | 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 |
| Cogenra - TEP | Terraform Arcadia | Tucson, AZ | Tucson Electric Power (TEPC) | 2.1 GWh | Jun 2014 | 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 |
| Actus Lend Lease DMAFB | Tesla Inc. | Tucson, AZ | Tucson Electric Power (TEPC) | 3.0 GWh | Nov 2009 | Dec 2023 | Solar |
| 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 |
| Lake Pleasant WTP | MN8 Energy LLC | Peoria, AZ | Arizona Public Service Company (AZPS) | 14.4 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 |
| Walmart Casa Grande | Tesla Inc. | Casa Grande, AZ | Arizona Public Service Company (AZPS) | 1.8 GWh | May 2011 | Dec 2023 | Solar |
| Saint Solar | Saint Solar LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 256.6 GWh | Dec 2020 | Aug 2024 | Solar |
| Sun Streams 2 | Sun Streams 2, LLC | Hassayampa, AZ | California Independent System Operator (CISO) | 309.0 GWh | May 2021 | Aug 2024 | Solar |
| OE_AZ1 | Onward Energy | Salome, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 86.4 GWh | Nov 2019 | Aug 2024 | Solar |
| Pima Community College NW | Onyx Asset Services Group | Tucson, AZ | Tucson Electric Power (TEPC) | 3.1 GWh | Mar 2019 | Dec 2023 | Solar |
| East Line Solar | AES Distributed Energy | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 236.2 GWh | Nov 2020 | Aug 2024 | Solar |
| 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 |
| Pima Community College | Tesla Inc. | Tucson, AZ | Tucson Electric Power (TEPC) | 2.4 GWh | Jul 2019 | Dec 2023 | Solar |
| Pinal Central Energy Center Hybrid | Pinal Central Energy Center, LLC | Casa Grande, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 50.6 GWh | Mar 2018 | Aug 2024 | Solar |
| Gray Hawk Solar | Gray Hawk Solar, LLC | Kingman, AZ | Tucson Electric Power (TEPC) | 138.8 GWh | May 2018 | Aug 2024 | Solar |
| Kayenta Solar Project | NGI-Kayenta Solar Lessor I, LLC | Kayenta, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 87.6 GWh | Apr 2017 | Aug 2024 | 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 |
| Pima Community College - East Campus | Tesla Inc. | Tucson, AZ | Tucson Electric Power (TEPC) | 1.6 GWh | Jul 2017 | Dec 2023 | Solar |
| Red Horse III | Red Horse III | Wilcox, AZ | Tucson Electric Power (TEPC) | 48.1 GWh | Jun 2016 | Dec 2023 | Solar |
| Apache Solar 1 | Arizona Electric Pwr Coop Inc | Cochise, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 55.3 GWh | Sep 2017 | Dec 2023 | Solar |
| Sun Streams, LLC | EDP Renewables North America LLC | Arlington, AZ | California Independent System Operator (CISO) | 413.4 GWh | Dec 2019 | Aug 2024 | Solar |
| Intel - Ocotillo Campus Solar | Tesla Inc. | Chandler, AZ | Arizona Public Service Company (AZPS) | 10.7 GWh | Nov 2017 | Dec 2023 | Solar |
| Canyon Del Oro High School Solar | Luminace Solar Arizona 2, LLC | Oro Valley, AZ | Tucson Electric Power (TEPC) | 2.7 GWh | Oct 2016 | Dec 2023 | Solar |
| Amphitheater High School Solar | Luminace Solar Arizona 2, LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 2.0 GWh | Nov 2016 | Dec 2023 | Solar |
| Jacobson 5 MW Solar | UNS Electric, Inc | Kingman, AZ | Tucson Electric Power (TEPC) | 8.3 GWh | Feb 2017 | Dec 2023 | Solar |
| Red Rock | Arizona Public Service Co | Red Rock, AZ | Arizona Public Service Company (AZPS) | 84.7 GWh | Jan 2017 | Aug 2024 | Solar |
| Bonnybrooke PV | Apple, Inc | Florence, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 118.7 GWh | Oct 2016 | Dec 2023 | Solar |
| Sulphur Springs | MN8 Energy LLC | Cochise, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 53.3 GWh | Nov 2016 | Dec 2023 | Solar |
| Mesquite Solar 3, LLC | Consolidated Edison Development Inc. | Tonopah, AZ | California Independent System Operator (CISO) | 462.5 GWh | Nov 2016 | Aug 2024 | Solar |
| Mesquite Solar 2, LLC | Consolidated Edison Development Inc. | Tonopah, AZ | California Independent System Operator (CISO) | 281.1 GWh | Nov 2016 | Aug 2024 | Solar |
| Broadway 2 - Tucson Phase II | MN8 Energy LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 6.3 GWh | Nov 2013 | 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 |
| Cotton Center Solar Hybrid | Arizona Public Service Co | Gila Bend, AZ | Arizona Public Service Company (AZPS) | 41.2 GWh | Oct 2011 | 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 |
| La Senita | UNS Electric, Inc | Kingman, AZ | Tucson Electric Power (TEPC) | 931.0 MWh | Oct 2011 | Dec 2023 | Solar |
| Roger Road WWTP | SunE M5C Holdings LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 1.1 GWh | Jul 2010 | Dec 2023 | Solar |
| UASTP I | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 403.0 MWh | Nov 2010 | Dec 2023 | Solar |
| Mesa Carport PV | Apple, Inc | Mesa, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 8.1 GWh | Feb 2020 | Dec 2023 | Solar |
| Agua Caliente Solar Project | Agua Caliente Solar | Dateland, AZ | California Independent System Operator (CISO) | 674.0 GWh | Apr 2012 | Aug 2024 | Solar |
| Luke Solar | Arizona Public Service Co | Glendale, AZ | Arizona Public Service Company (AZPS) | 32.8 GWh | May 2015 | 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 |
| Central Line Solar, LLC | AES Distributed Energy | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 256.3 GWh | Mar 2022 | Aug 2024 | Solar |
| Solana Generating Station | Arizona Solar One LLC | Gila Bend, AZ | Arizona Public Service Company (AZPS) | 805.4 GWh | Sep 2013 | Aug 2024 | Solar |
| Hyder Solar Hybrid | Arizona Public Service Co | Hyder, AZ | Arizona Public Service Company (AZPS) | 40.2 GWh | Oct 2011 | Dec 2023 | Solar |
| Prescott Airport | Arizona Public Service Co | Prescott, AZ | Arizona Public Service Company (AZPS) | 2.6 GWh | Sep 2002 | Dec 2023 | Solar |
| Broadway 3 - Tucson Phase I | MN8 Energy LLC | Tucson, AZ | Tucson Electric Power (TEPC) | 1.7 GWh | Feb 2011 | Dec 2023 | Solar |
| Storey Solar and Storage | Storey Energy Center, LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 242.7 GWh | Aug 2023 | Aug 2024 | Solar |
| Mesquite Solar 4, LLC | Consolidated Edison Development Inc. | Tonopah, AZ | California Independent System Operator (CISO) | 103.6 GWh | - | Aug 2024 | Solar |
| Mesquite Solar 5, LLC | Consolidated Edison Development Inc. | Tonopah, AZ | Arizona Public Service Company (AZPS) | 110.1 GWh | Jun 2023 | Aug 2024 | Solar |
Browse Power Plants By Arizona Counties
Figures are based on August 2024 generation numbers.| County | State Rank | Active Plants | Aug 2024 Generation |
|---|---|---|---|
| Maricopa County, AZ | # 1 | 82 | 77.1 TWh |
| Mohave County, AZ | # 2 | 15 | 10.2 TWh |
| Apache County, AZ | # 3 | 4 | 9.4 TWh |
| Pinal County, AZ | # 4 | 20 | 5.9 TWh |
| Coconino County, AZ | # 5 | 8 | 3.8 TWh |
| Cochise County, AZ | # 6 | 11 | 2.6 TWh |
| Pima County, AZ | # 7 | 38 | 2.3 TWh |
| County | State Rank | Active Plants | Aug 2024 Generation |
|---|---|---|---|
| Navajo County, AZ | # 8 | 7 | 2.0 TWh |
| Yuma County, AZ | # 9 | 13 | 1.5 TWh |
| La Paz County, AZ | # 10 | 5 | 118.7 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 |