Taconite Harbor Energy Center

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Taconite Harbor Energy Center is a retired power station in Hoyt Lakes, Cook, Minnesota, United States.


Table 1: Project-level location details

Plant name Location Coordinates (WGS 84)
Taconite Harbor Energy Center Hoyt Lakes, Cook, Minnesota, United States 47.531225, -90.911758 (exact)

The map below shows the exact location of the power station.

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Unit-level coordinates (WGS 84):

  • Unit 2, Unit 3, Unit 1: 47.531225, -90.911758

Project Details

Table 2: Unit-level details

Unit name Status Fuel(s) Capacity (MW) Technology Start year Retired year
Unit 2 retired coal - bituminous 84 subcritical 1957 2023
Unit 3 retired coal - bituminous 84 subcritical 1967 2015
Unit 1 retired coal - bituminous 84 subcritical 1957 2023

Table 3: Unit-level ownership and operator details

Unit name Owner
Unit 2 ALLETE Inc [100.0%]
Unit 3 ALLETE Inc [100.0%]
Unit 1 ALLETE Inc [100.0%]

Unit Retirements

On January 30, 2013, Minnesota Power announced that it will retire the 84 MW Unit 3 by 2015.[1][2]

Unit 3 was retired in May 2015.[3]

Units 1 & 2 have been idled since 2016.[4] Though reportedly scheduled to be offline in March 2022, the units were not retired as of April 2022 according to the U.S. Energy Information Administration.[5]

In March 2023, Units 1 and 2 were officially retired.[6]

Coal Source

The power station fired coal from the Spring Creek Mine (Cloud Peak), the Black Thunder Mine (Arch Coal), and the North Antelope Rochelle Mine (Peabody Coal).[7]

Emissions Data

  • 2006 CO2 Emissions: 1,752,752 tons
  • 2006 SO2 Emissions:
  • 2006 SO2 Emissions per MWh:
  • 2006 NOx Emissions:
  • 2005 Mercury Emissions:

Articles and Resources


  1. "Minnesota Power outlines its EnergyForward resource strategy," Minnesota Power press release, January 30, 2013
  2. "News Release: Clean air victory in northern Minnesota as Minnesota Power announces phasing out coal at two Minnesota plants," Fresh Energy, January 30, 2013
  3. “Minnesota Power Takes down Unit 3," Cook County News Herald, May 30, 2015
  4. https://www.mnpower.com/Company/Generation
  5. "Preliminary Monthly Electric Generator Inventory (based on Form EIA-860M as a supplement to Form EIA-860) - U.S. Energy Information Administration (EIA)". www.eia.gov. Retrieved 2022-07-11.
  6. “2022 Annual Report," Allete, March 2023
  7. "EIA 923 2015" EIA 923 2015.

Additional data

To access additional data, including an interactive map of coal-fired power stations, a downloadable dataset, and summary data, please visit the Global Coal Plant Tracker on the Global Energy Monitor website.