Springerville
Springerville is a coal plant in Apache County, Arizona, operated by Tucson Electric Power Co. It ranks second by nameplate capacity among Arizona’s 191 power plants. Within the Tucson Electric Power balancing area it is the largest of 48 plants. The operator has reported planned retirement dates for 850 MW of it, between 2027 and 2032. Its biggest unit, rated at 458 MW, is the third-largest single generator in Arizona.
Nameplate capacity, 2025
1,779 MW
1,633 MW net summer capacity
7 operable units
- Coal steam1,766 MW99%
- Solar photovoltaic13.4 MW0.8%
Unit by unit, 1985 to 2025
operating in 2025reported planned retirementbar height follows unit size
Unit 1 Coal steam, 425 MW, 1985
Unit 2 Coal steam, 425 MW, 1990
Unit SGSS Solar photovoltaic, 3.7 MW, 2001
Unit 3 Coal steam, 458 MW, 2006
Unit 4 Coal steam, 458 MW, 2009
Unit SGSS1 Solar photovoltaic, 1.4 MW, 2010
Unit WMS Solar photovoltaic, 8.3 MW, 2014
Among Arizona’s plants
Largest plants in the state by nameplate capacity, with the plants ranked next to this one.
- 1Palo Verde4,210 MW
- 2Springervillethis plant
- 3Santan1,326 MW
- 4Glen Canyon Dam1,312 MW
Other rankings
- All US power plants
- 100th of 14,286
- US coal plants
- 31st of 195
- Coal plants in Arizona
- 1st of 2
- Plants run by Tucson Electric Power Co
- 1st of 10
Operable units
| Unit | Technology | Nameplate | Summer | Online | Status |
|---|---|---|---|---|---|
| 1 | Coal steam | 425 MW | 381 MW | 1985 | Operating, retirement planned for 2027 |
| 2 | Coal steam | 425 MW | 406 MW | 1990 | Operating, retirement planned for 2032 |
| SGSS | Solar photovoltaic | 3.7 MW | 3.7 MW | 2001 | Operating |
| 3 | Coal steam | 458 MW | 417 MW | 2006 | Operating |
| 4 | Coal steam | 458 MW | 415 MW | 2009 | Operating |
| SGSS1 | Solar photovoltaic | 1.4 MW | 1.6 MW | 2010 | Operating |
| WMS | Solar photovoltaic | 8.3 MW | 8.5 MW | 2014 | Operating |
Who owns it
Shares are weighted by the nameplate capacity of each unit an owner holds.
| Owner | Share of capacity |
|---|---|
| Springerville Unit 3 Holding LLC | 25.7% |
| Salt River Project | 25.7% |
| Tucson Electric Power Co (sole owner of the other units) | 48.6% |
Grid and site
- Balancing area
- Tucson Electric Power
- Reliability region
- Western Electricity Coordinating Council
- Highest grid connection voltage
- 345 kV
- Water source
- Wells
- Nearest town on record
- Springerville
- Operator type
- Utility
- Coordinates
- 34.319°N, 109.164°W
Closest plants
| Plant | Runs on | Capacity | Distance |
|---|---|---|---|
| Western Renewable Energy | Biomass and waste | 3 MW | 17.2 mi southwest |
| Borderlands Wind, LLC | Wind | 100 MW | 18.9 mi southeast |
| Coronado | Coal | 822 MW | 19.0 mi north |
| Poseidon Wind, LLC | Wind | 65.1 MW | 60.8 mi west |
| Novo BioPower Plant | Biomass and waste | 27.2 MW | 68.0 mi west |
| Dry Lake Wind LLC | Wind | 63 MW | 68.0 mi west |
| City of Gallup Solar | Solar | 8 MW | 86.0 mi north |
| Bluewater CDEC 1 | Solar | 2.4 MW | 93.8 mi northeast |