Utah Smelter Power Plant

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Utah Smelter Power Plant is a coal-fired power station owned and operated by Rio Tinto near Magna, Utah.

Units 1-3 were shut down in 2016.[1]

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In December 2010, Kennecott Utah Copper announced that it would repower units 1-3 of its Utah Smelter power plant to run on natural gas by 2018. However, unit 4 (82 MW) of the plant will continue to be powered by coal.[2]

In October 2016 the Salt Lake Tribune reported units 1-3 had already been shut down and will be decommissioned in the near future.[1]

Plant Data

  • Owner: Kennecott Utah Copper Corp.
  • Parent Company: Rio Tinto
  • Plant Nameplate Capacity: 182 MW (Megawatts)
  • Units and In-Service Dates: 25 MW (1943), 50 MW (1943), 25 MW (1946), 82 MW (1958)
  • Location: Highway 201, Magna, UT 84044
  • GPS Coordinates: 40.722, -112.202
  • Coal Consumption:
  • Coal Source:
  • Number of Employees:

Emissions Data

  • 2006 CO2 Emissions: 1,225,805 tons
  • 2006 SO2 Emissions:
  • 2006 SO2 Emissions per MWh:
  • 2006 NOx Emissions:
  • 2005 Mercury Emissions:

Articles and Resources


  1. 1.0 1.1 "Kennecott Closes Three Coal Units One Year Ahead of Schedule," Power Engineering, Oct 28, 2016
  2. "Kennecott to Curb Coal Burning in Salt Lake Valley" The Associated Press, December 15, 2010.

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