Directory of Power Plants in Arizona
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Arlington Valley Solar Energy I | RWE Clean Energy | Arlington, AZ | Arizona Public Service Company (AZPS) | 106.2 GWh | - | Jun 2026 | Solar |
| Sun Streams 3 | Sun Streams PVS, LLC | Arlington, AZ | Arizona Public Service Company (AZPS) | 413.1 GWh | May 2024 | Jun 2026 | Solar |
| Perrin Ranch Wind LLC | Perrin Ranch Wind LLC | Williams, AZ | Arizona Public Service Company (AZPS) | 173.2 GWh | Dec 2011 | Jun 2026 | Wind |
| Prescott Solar Plant | SunE AZ1, LLC | Prescott, AZ | Arizona Public Service Company (AZPS) | 23.0 GWh | Nov 2011 | Dec 2025 | Solar |
| Black Mountain Solar LLC | Duke Energy Renewables Services | Golden Valley, AZ | Arizona Public Service Company (AZPS) | 19.2 GWh | Nov 2012 | Dec 2025 | Solar |
| Buckeye Union HS District 201 | Luminace Solar Arizona, LLC | Buckeye, AZ | Arizona Public Service Company (AZPS) | 6.8 GWh | Nov 2011 | Dec 2025 | Solar |
| Foothills Solar Plant Hybrid | Arizona Public Service Co | Yuma, AZ | Arizona Public Service Company (AZPS) | 80.2 GWh | Feb 2013 | Dec 2025 | Solar |
| RE Ajo 1 LLC | Duke Energy Renewables Services | Ajo, AZ | Arizona Public Service Company (AZPS) | 9.0 GWh | Jul 2011 | Dec 2025 | Solar |
| RE Bagdad Solar I LLC | Duke Energy Renewables Services | Bagdad, AZ | Arizona Public Service Company (AZPS) | 30.1 GWh | Nov 2011 | Dec 2025 | Solar |
| Kingman 1 | Kingman Energy Corp | Kingman, AZ | Arizona Public Service Company (AZPS) | 20.1 GWh | Aug 2011 | Jun 2026 | Wind : 96.0% Solar : 4.0% |
| Arizona Western College PV | AES Distributed Energy | Yuma, AZ | Arizona Public Service Company (AZPS) | 4.5 GWh | Oct 2011 | Dec 2025 | Solar |
| Arlington Valley Solar Energy II | Arevon Energy, Inc. | Arlington, AZ | Arizona Public Service Company (AZPS) | 336.0 GWh | Mar 2013 | Dec 2025 | Solar |
| Arizona State University CHP | Energy Center Phoenix LLC | Tempe, AZ | Arizona Public Service Company (AZPS) | 39.4 GWh | Mar 2006 | Jun 2026 | Natural Gas |
| Macys Goodyear | Macys Corporate Services, Inc | Goodyear, AZ | Arizona Public Service Company (AZPS) | 3.1 GWh | Nov 2010 | Dec 2024 | Solar |
| Sun Streams 4 | Sun Streams Expansion, LLC | Tonopah, AZ | Arizona Public Service Company (AZPS) | 739.5 GWh | Feb 2025 | Jun 2026 | Solar |
| Hyder Solar Hybrid | Arizona Public Service Co | Hyder, AZ | Arizona Public Service Company (AZPS) | 31.2 GWh | Oct 2011 | Dec 2025 | Solar |
| Paloma Solar Hybrid | Arizona Public Service Co | Gila Bend, AZ | Arizona Public Service Company (AZPS) | 30.2 GWh | Aug 2011 | Dec 2025 | Solar |
| Cotton Center Solar Hybrid | Arizona Public Service Co | Gila Bend, AZ | Arizona Public Service Company (AZPS) | 29.4 GWh | Oct 2011 | Dec 2025 | Solar |
| Chino Valley Solar | Arizona Public Service Co | Chino Valley, AZ | Arizona Public Service Company (AZPS) | 33.1 GWh | Nov 2012 | Dec 2025 | Solar |
| Yuma Solar + Storage | Invenergy Services LLC | Fortuna Foothills, AZ | Arizona Public Service Company (AZPS) | 200.6 GWh | Feb 2025 | Jun 2026 | Solar |
| Harquahala 2 | Copia Power | Tonopah, AZ | Arizona Public Service Company (AZPS) | 845.1 GWh | Mar 2025 | Jun 2026 | Solar |
| Northwest Regional | WM Renewable Energy LLC | Surprise, AZ | Arizona Public Service Company (AZPS) | 21.2 GWh | Jul 2012 | Dec 2025 | Landfill Gas |
| Serrano | Serrano Solar, LLC | Marana, AZ | Arizona Public Service Company (AZPS) | 416.5 GWh | Mar 2025 | Jun 2026 | Solar |
| Gilbert Solar Facility I, LLC | Gilbert Solar Facility I, LLC | Gilbert, AZ | Arizona Public Service Company (AZPS) | 4.0 GWh | Sep 2011 | Dec 2025 | Solar |
| AZ State University - Tempe Campus Solar | Arizona State University FDM | Tempe, AZ | Arizona Public Service Company (AZPS) | 1.9 GWh | Nov 2003 | Dec 2025 | Solar |
| Intel - Ocotillo Campus Solar | Tesla Inc. | Chandler, AZ | Arizona Public Service Company (AZPS) | 3.1 GWh | Nov 2017 | Dec 2025 | Solar |
| Red Rock | Arizona Public Service Co | Red Rock, AZ | Arizona Public Service Company (AZPS) | 87.3 GWh | Jan 2017 | Jun 2026 | Solar |
| Estrella Mountain PV | Tesla Inc. | Avondale, AZ | Arizona Public Service Company (AZPS) | 3.1 GWh | May 2019 | Dec 2025 | Solar |
| Mesquite Solar 5, LLC | RWE Clean Energy | Tonopah, AZ | Arizona Public Service Company (AZPS) | 124.9 GWh | Jun 2023 | Jun 2026 | Solar |
| Chevelon Butte Wind Farm | AES Clean Energy | Winslow, AZ | Arizona Public Service Company (AZPS) | 599.1 GWh | Apr 2023 | Jun 2026 | Wind |
| Desert Star Hybrid | Arizona Public Service Co | Buckeye, AZ | Arizona Public Service Company (AZPS) | 24.2 GWh | Aug 2015 | Dec 2025 | Solar |
| Gila Bend Hybrid | Arizona Public Service Co | Gila Bend, AZ | Arizona Public Service Company (AZPS) | 72.1 GWh | Sep 2014 | Dec 2025 | Solar |
| Harquahala Sun Solar Project | Copia Power | Tonopah, AZ | Arizona Public Service Company (AZPS) | 464.4 GWh | Mar 2025 | Jun 2026 | Solar |
| Phoenix Airport Rental Car Center | SunStrong Management, LLC | Phoenix, AZ | Arizona Public Service Company (AZPS) | 4.2 GWh | Nov 2012 | Dec 2025 | Solar |
| Phoenix Airport East Economy Lot | SunStrong Management, LLC | Phoenix, AZ | Arizona Public Service Company (AZPS) | 777.0 MWh | Nov 2012 | Dec 2025 | Solar |
| Douglas | Arizona Public Service Co | Douglas, AZ | Arizona Public Service Company (AZPS) | 218.0 MWh | Apr 1972 | Dec 2025 | Distillate Fuel Oil |
| Lake Pleasant WTP | MN8 Energy LLC | Peoria, AZ | Arizona Public Service Company (AZPS) | 13.9 GWh | Nov 2012 | Dec 2025 | Solar |
| Vista Grande HS at Casa Grande | Luminace Solar Holding, LLC | Casa Grande, AZ | Arizona Public Service Company (AZPS) | 2.8 GWh | Nov 2012 | Dec 2025 | Solar |
| Union HS at Casa Grande | Luminace Solar Holding, LLC | Casa Grande, AZ | Arizona Public Service Company (AZPS) | 2.6 GWh | Nov 2012 | Dec 2025 | Solar |
| RE Gillespie 1 LLC | MN8 Energy LLC | Gila Bend, AZ | Arizona Public Service Company (AZPS) | 38.7 GWh | Nov 2013 | Dec 2025 | Solar |
| Chevelon Butte Phase 2 | AES Clean Energy | Winslow, AZ | Arizona Public Service Company (AZPS) | 503.2 GWh | Mar 2024 | Jun 2026 | Wind |
| Hyder II Hybrid | Arizona Public Service Co | Hyder, AZ | Arizona Public Service Company (AZPS) | 25.3 GWh | Nov 2013 | Dec 2025 | Solar |
| Paradise Valley H.S. PV | AES Distributed Energy | Phoenix, AZ | Arizona Public Service Company (AZPS) | 2.1 GWh | Dec 2012 | Dec 2025 | Solar |
| Jewish Community Center PV | AES Distributed Energy | Scottsdale, AZ | Arizona Public Service Company (AZPS) | 2.0 GWh | Aug 2012 | Dec 2025 | Solar |
| Badger 1 | Desert Sky Solar LLC | Tonopah, AZ | Arizona Public Service Company (AZPS) | 29.6 GWh | Oct 2013 | Dec 2025 | Solar |
| Saddle Mountain Solar I | SunE AZ2, LLC | Tonopah, AZ | Arizona Public Service Company (AZPS) | 33.3 GWh | Nov 2012 | Dec 2025 | Solar |
| Amazon Goodyear | Westbound Solar 3, LLC | Goodyear, AZ | Arizona Public Service Company (AZPS) | 5.1 GWh | Jun 2023 | Dec 2025 | Solar |
| Catclaw Solar | 311SV 8me, LLC | Buckeye, AZ | Arizona Public Service Company (AZPS) | 43.1 GWh | - | Jun 2026 | Solar |
| Box Canyon (AZ) | BOCA bn, LLC | Florence, AZ | Arizona Public Service Company (AZPS) | 869.9 GWh | May 2025 | Jun 2026 | Solar |
| Agave | Arizona Public Service Co | Arlington, AZ | Arizona Public Service Company (AZPS) | 303.6 GWh | Aug 2023 | Jun 2026 | Solar |
| Yuma Cogeneration Associates | Falcon Power Operating Company | Yuma, AZ | Arizona Public Service Company (AZPS) | 15.1 GWh | Feb 1994 | Jun 2026 | Natural Gas |
| Banner Solar Ironwood | Banner Solar Ironwood LLC | Queen Creek, AZ | Arizona Public Service Company (AZPS) | 4.0 GWh | Nov 2021 | Dec 2025 | Solar |
| Centennial Flats | Copia Power | Salome, AZ | Arizona Public Service Company (AZPS) | 18.1 GWh | - | Jun 2026 | Solar |
| West Phoenix | Arizona Public Service Co | Phoenix, AZ | Arizona Public Service Company (AZPS) | 3.4 TWh | Apr 1972 | Jun 2026 | Natural Gas |
| Saguaro | Arizona Public Service Co | Red Rock, AZ | Arizona Public Service Company (AZPS) | 117.5 GWh | Apr 1972 | Dec 2025 | Natural Gas |
| Ocotillo | Arizona Public Service Co | Tempe, AZ | Arizona Public Service Company (AZPS) | 370.6 GWh | Feb 1960 | Jun 2026 | Natural Gas |
| Yucca | Arizona Public Service Co | Yuma, AZ | Arizona Public Service Company (AZPS) | 168.5 GWh | Mar 1959 | Jun 2026 | Natural Gas : 98.3% Distillate Fuel Oil : 1.7% |
| Prescott Airport | Arizona Public Service Co | Prescott, AZ | Arizona Public Service Company (AZPS) | 6.1 GWh | Sep 2002 | Dec 2025 | Solar |
| Papago PV | RE Papago PV LLC | Tonopah, AZ | Arizona Public Service Company (AZPS) | 123.5 GWh | - | Jun 2026 | Solar |
| Cholla | Arizona Public Service Co | Joseph City, AZ | Arizona Public Service Company (AZPS) | 1.3 TWh | Apr 1962 | Mar 2025 | Subbituminous Coal : 99.9% |
| Novo BioPower Plant | Novo Biopower LLC | Snowflake, AZ | Arizona Public Service Company (AZPS) | 202.3 GWh | May 2008 | Dec 2025 | Wood/Wood Waste Solids |
| Solana Generating Station | Arizona Solar One LLC | Gila Bend, AZ | Arizona Public Service Company (AZPS) | 850.4 GWh | Sep 2013 | Jun 2026 | Solar |
| West Camp Wind Farm | AES Clean Energy | Heber, AZ | Arizona Public Service Company (AZPS) | 292.2 GWh | - | Jun 2026 | Wind |
| Poseidon Wind, LLC | Axium Arizona Renewables, LLC | Herber, AZ | Arizona Public Service Company (AZPS) | 103.9 GWh | Nov 2010 | Jun 2026 | Wind |
| Luke Solar | Arizona Public Service Co | Glendale, AZ | Arizona Public Service Company (AZPS) | 27.4 GWh | May 2015 | Dec 2025 | Solar |
| Arlington Valley Energy Facility | Arlington Valley LLC | Arlington, AZ | Arlington Valley, LLC (DEAA) | 3.2 TWh | May 2002 | Jun 2026 | Natural Gas |
| Agua Caliente Solar Project | Agua Caliente Solar | Dateland, AZ | California Independent System Operator (CISO) | 514.5 GWh | Apr 2012 | Jun 2026 | Solar |
| Mesquite Solar 4, LLC | RWE Clean Energy | Tonopah, AZ | California Independent System Operator (CISO) | 140.8 GWh | Dec 2023 | Jun 2026 | Solar |
| Mesquite Solar 2, LLC | RWE Clean Energy | Tonopah, AZ | California Independent System Operator (CISO) | 253.7 GWh | Nov 2016 | Jun 2026 | Solar |
| Mesquite Solar 3, LLC | RWE Clean Energy | Tonopah, AZ | California Independent System Operator (CISO) | 443.8 GWh | Nov 2016 | Jun 2026 | Solar |
| McFarland B Solar and Storage | AES Clean Energy | Dateland, AZ | California Independent System Operator (CISO) | 774.5 GWh | Nov 2024 | Jun 2026 | Solar |
| McFarland A Solar and Storage | AES Clean Energy | Dateland, AZ | California Independent System Operator (CISO) | 544.6 GWh | Nov 2023 | Jun 2026 | Solar |
| White Wing Solar | Leeward Asset Management, LLC | Yuma, AZ | California Independent System Operator (CISO) | 451.0 GWh | Sep 2024 | Jun 2026 | Solar |
| Mesquite Solar 1 | RWE Clean Energy | Tonopah, AZ | California Independent System Operator (CISO) | 392.2 GWh | Oct 2011 | Dec 2025 | Solar |
| Sun Streams, LLC | EDP Renewables North America LLC | Arlington, AZ | California Independent System Operator (CISO) | 369.0 GWh | Dec 2019 | Jun 2026 | Solar |
| Sun Streams 2 | Sun Streams 2, LLC | Hassayampa, AZ | California Independent System Operator (CISO) | 307.8 GWh | May 2021 | Jun 2026 | Solar |
| Griffith Energy LLC | Griffith Energy LLC | Golden Valley, AZ | Griffith Energy, LLC (GRIF) | 3.8 TWh | Dec 2001 | Jun 2026 | Natural Gas |
| Sandstone Solar | AES Distributed Energy | Florence, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 116.9 GWh | Nov 2015 | Dec 2025 | Solar |
| Agua Fria | Salt River Project | Glendale, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 221.4 GWh | Mar 1957 | Jun 2026 | Natural Gas : 99.9% |
| Pinal Central Energy Center Hybrid | Pinal Central Energy Center, LLC | Casa Grande, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 54.8 GWh | Mar 2018 | Jun 2026 | Solar |
| East Line Solar | AES Distributed Energy | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 232.9 GWh | Nov 2020 | Jun 2026 | Solar |
| Eleven Mile Solar Center | Eleven Mile Solar Center, LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 777.5 GWh | May 2024 | Jun 2026 | Solar |
| West Line Solar, LLC | Foster Clean Power A LLC | City of Eloy, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 239.8 GWh | Nov 2022 | Jun 2026 | Solar |
| Babbitt Ranch Energy Center | Babbitt Ranch Energy Center, LLC | Flagstaff, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 545.7 GWh | Jun 2024 | Jun 2026 | Wind |
| Gila River Power Block 1 | Salt River Project | Gila Bend, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.9 TWh | Apr 2003 | Jun 2026 | Natural Gas |
| T0588 Phoenix - AZ | SoCore Energy LLC | Phoenix, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.2 GWh | Apr 2017 | Dec 2025 | Solar |
| Saint Solar | Saint Solar LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 279.3 GWh | Dec 2020 | Jun 2026 | Solar |
| Gila River Power Block 2 | Salt River Project | Gila Bend, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.4 TWh | May 2003 | Jun 2026 | Natural Gas |
| Storey Solar and Storage | Storey Energy Center, LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 298.5 GWh | Aug 2023 | Jun 2026 | Solar |
| Mesa Carport PV | Apple, Inc | Mesa, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 6.2 GWh | Feb 2020 | Jul 2025 | Solar |
| Bonnybrooke PV | Salt River Project | Florence, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 90.8 GWh | Oct 2016 | Dec 2025 | Solar |
| Central Line Solar, LLC | AES Distributed Energy | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 247.7 GWh | Mar 2022 | Jun 2026 | Solar |
| Desert Basin | Salt River Project | Casa Grande, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 2.4 TWh | Sep 2001 | Jun 2026 | Natural Gas |
| Poseidon Solar, LLC | Axium Arizona Renewables, LLC | Globe, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 48.8 GWh | Nov 2011 | Dec 2025 | Solar |
| Dry Lake Wind LLC | Avangrid Power LLC | Heber, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 98.7 GWh | Jul 2009 | Jun 2026 | Wind |
| Coolidge Generation Station | Salt River Project | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 59.6 GWh | Apr 2011 | Jun 2026 | Natural Gas |
| Brittlebush Solar | Randolph Solar Park LLC | Coolidge, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 524.2 GWh | Oct 2024 | Jun 2026 | 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 2026 | Natural Gas |
| Red Hawk | Arizona Public Service Co | Arlington, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 5.1 TWh | Jun 2002 | Jun 2026 | Natural Gas |
| Harquahala Generating Project | New Harquahala Generating Co, LLC | Tonopah, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 3.1 TWh | May 2004 | Jun 2026 | Natural Gas |
Browse Power Plants By Arizona Counties
Figures are based on June 2026 generation numbers.| County | State Rank | Active Plants | Jun 2026 Generation |
|---|---|---|---|
| Maricopa County, AZ | # 1 | 94 | 78.0 TWh |
| Mohave County, AZ | # 2 | 17 | 10.2 TWh |
| Apache County, AZ | # 3 | 4 | 7.9 TWh |
| Pinal County, AZ | # 4 | 26 | 6.4 TWh |
| Coconino County, AZ | # 5 | 12 | 4.2 TWh |
| Pima County, AZ | # 6 | 42 | 3.1 TWh |
| Cochise County, AZ | # 7 | 11 | 2.9 TWh |
| County | State Rank | Active Plants | Jun 2026 Generation |
|---|---|---|---|
| Yuma County, AZ | # 8 | 17 | 2.8 TWh |
| Navajo County, AZ | # 9 | 11 | 2.1 TWh |
| La Paz County, AZ | # 10 | 17 | 112.4 GWh |
| Yavapai County, AZ | # 11 | 7 | 92.2 GWh |
| Gila County, AZ | # 12 | 2 | 48.8 GWh |
| Santa Cruz County, AZ | # 13 | 2 | 9.8 GWh |