Power plant · Minnesota, United States

Taconite Harbor Energy Center

Taconite Harbor Energy Center is a closed coal power plant in Minnesota, United States, with 252 MW of capacity, operated by ALLETE, Inc.

Grid connection

It closed in 2023, which freed up a 252 MW grid connection at 138 kV to the grid of ALLETE, Inc., unless it has been reassigned since.

Retiring power plants in the United States

Facts

Every value links to its source, and to the source's own record where it has one. Licences and last-checked dates are per row.

FactValueSource
LocationMinnesotaEIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
StatusClosedEIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Start year1957EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
End year2023EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
OperatorALLETE, Inc.EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Capacity252 MW (nameplate of its retired generators)EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
TechnologyConventional Steam CoalEIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Grid operatorALLETE, Inc.EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Voltage138 kVEIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Coordinates47.5314, -90.9114EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026

Research on this power plant and its operator.Who owns it up to the parent company, its grid connection and planning status, and an introduction to the operator.

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How it compares

Taconite Harbor Energy Center is the 14th-largest of 18 power plants in Minnesota and the 892nd-largest of 1,009 in the United States by capacity; its 252 MW is <0.1% of the 917,512 MW we hold for the United States. Ranks and totals cover the power plants in our data that report their capacity, not every one in existence. Power plants planned, permitted or under construction are ranked apart.

WithinRankTotalShare
Minnesota14th of 189,957 MW2.5%
United States892nd of 1,009917,512 MW<0.1%
All power plants in our data1,723rd of 15,7991,918,113 MW<0.1%

Timeline

Dated facts about this power plant from its sources, oldest first.

  1. Started operating
  2. Retired

Operator, grid operator and place

More from ALLETE, Inc.

Other power plants in Minnesota

All 24 power plants in Minnesota, United States

Data on this page