| Plant Name | Company | Size (MW)* |
Region | Holding Company |
| Abitibi Consolidated Snowflake | Abitibi Consolidated Sale Corp | 71 | WSCC | |
| Agua Fria | Salt River Project | 613 | WSCC | |
| Apache Station | Arizona Electric Power Cooperative | 559 | WSCC | |
| Arlington Valley Energy | Duke Energy Maricopa LLC | 570 | WSCC | |
| Biosphere 2 Center Inc | Decisions Investments Corp | 3 | WSCC | |
| Childs | Arizona Public Service Company | 5 | WSCC | Pinnacle West Capital Corporation |
| Cholla | Arizona Public Service Company | 1105 | WSCC | Pinnacle West Capital Corporation |
| Coolidge Dam | USBIA-San Carlos Project | 10 | WSCC | |
| Coronado | Salt River Project | 822 | WSCC | |
| Crosscut | Salt River Project | 33 | WSCC | |
| Davis | Bureau of Reclamation | 240 | WSCC | |
| Demoss Petrie | Tucson Electric Power Company | 96 | WSCC | UniSource Energy Corporation |
| Desert Basin | Reliant Energy Desert Basin, LLC | 1113 | WSCC | |
| Douglas | Arizona Public Service Company | 21 | WSCC | Pinnacle West Capital Corporation |
| Flagstaff | Arizona Public Service Company | 0 | WSCC | Pinnacle West Capital Corporation |
| Gilbert Solar Facility | Arizona Public Service Company | 0 | WSCC | Pinnacle West Capital Corporation |
| Glen Canyon | Bureau of Reclamation | 1296 | WSCC | |
| Glendale | Arizona Public Service Company | 0 | WSCC | Pinnacle West Capital Corporation |
| Global Solar PV Station | Global Solar Energy, Inc. | 1 | WSCC | UniSource Energy Corporation |
| Gould Electronics Foil Division | Japan Energy Corp Ltd | 1 | WSCC | |
| Harquahala Generating Project | Harquahala Generating Company, LLC | 1040 | WSCC | |
| Headgate Rock | Colorado River Indian Irr Proj | 20 | WSCC | |
| Hoover | Bureau of Reclamation | 1039 | WSCC | |
| Horse Mesa | Salt River Project | 130 | WSCC | |
| INA Road Water Pollution Control Facility | PIMA County Wastewater Managem | 5 | WSCC |
| Irving | Arizona Public Service Company | 2 | WSCC | Pinnacle West Capital Corporation |
| Irvington | Tucson Electric Power Company | 586 | WSCC | UniSource Energy Corporation |
| Kyrene | Salt River Project | 532 | WSCC | |
| Mormon Flat | Salt River Project | 58 | WSCC | |
| Navajo | Salt River Project | 2409 | WSCC | |
| Nelson Plant Generators | Chemical Lime Co | 2 | WSCC | |
| New Cornelia Branch Power Plant | Phelps Dodge Mining Co | 42 | WSCC | |
| North Loop | Tucson Electric Power Company | 104 | WSCC | UniSource Energy Corporation |
| Ocotillo | Arizona Public Service Company | 334 | WSCC | Pinnacle West Capital Corporation |
| Palo Verde | Arizona Public Service Company | 4210 | WSCC | Pinnacle West Capital Corporation |
| Panda Gila River LP | Panda Gila River, L.P. | 2348 | WSCC | TECO Energy, Inc. |
| PPL Griffith Energy Project | Griffith Energy, LLC | 600 | WSCC | CH Energy Group, Inc. |
| PPL Sundance Energy LLC | PPL Global, LLC | 450 | WSCC | PPL Corporation |
| Redhawk | Arizona Public Service Company | 1080 | WSCC | Pinnacle West Capital Corporation |
| Roosevelt | Salt River Project | 36 | WSCC | |
| Saguaro | Arizona Public Service Company | 356 | WSCC | Pinnacle West Capital Corporation |
| Saguaro Combustion Turbine 3 | Arizona Public Service Company | n/a | WSCC | Pinnacle West Capital Corporation |
| Santan | Salt River Project | 414 | WSCC | |
| Santan Solar | Salt River Project | 0 | WSCC | |
| Scottsdale | Arizona Public Service Company | 0 | WSCC | Pinnacle West Capital Corporation |
| Solar | Arizona Public Service Company | n/a | WSCC | Pinnacle West Capital Corporation |
| South Consolidated | Salt River Project | 1 | WSCC | |
| Springerville | Tucson Electric Power Company | 850 | WSCC | UniSource Energy Corporation |
| Stewart Mtn | Salt River Project | 10 | WSCC | |
| Valencia | Citizens Communications | 50 | WSCC |
| Waddell | Colorado River Indian Irr Proj | 40 | WSCC | |
| West Phoenix | Arizona Public Service Company | 622 | WSCC | Pinnacle West Capital Corporation |
| West Phoenix CC4 | Arizona Public Service Company | 120 | WSCC | Pinnacle West Capital Corporation |
| Yucca | Arizona Public Service Company | 279 | WSCC | Pinnacle West Capital Corporation |
| Yuma Axis | Imperial Irrigation District | 23 | WSCC | |
| Yuma Cogeneration Associates | Yuma Cogeneration Associates | 63 | WSCC | |
| Yuma Solar (APS) | Arizona Public Service Company | 10 | WSCC | Pinnacle West Capital Corporation |