Coronado Generating Station
Owner/Operator: SRP (100% owner)
Description: Coal-fired, steam electric generating station.
Location: Near St. Johns, in eastern Arizona.
Capacity: 773 megawatts, from one 389 MW-unit and one 384 MW-unit
Fuel source: The McKinley Mine, located east of Window Rock near the New Mexico-Arizona border, and Powder River Basin in Wyoming.
Plant construction: Construction began 1975. Unit 1 completed Dec. 31, 1979. Unit 2 completed Oct. 1, 1980.
Construction costs: $700 million, including $220 million in environmental control equipment.
Environmental control equipment:
- Electrostatic precipitators to control fly ash.
- Scrubbers to remove sulfur dioxide (SO2).
- Water reservoir is lined to help recover and contain process waste.