Power plant · Minnesota, United States

Clay Boswell Power Plant

Clay Boswell Power Plant is a coal power plant in Minnesota, United States, with 923 MW of capacity, owned by ALLETE, Inc. (87.9%) and WPPI Energy (12.1%).

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.

Fact	Value	Source
Location	Minnesota	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Status	Operating	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Start year	1973	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Owner	ALLETE, Inc. (87.9%)	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Owner	WPPI Energy (12.1%)	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Operator	ALLETE, Inc.	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Capacity	923 MW	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Technology	Conventional Steam Coal	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Grid operator	ALLETE, Inc.	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Voltage	230 kV	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026
Coordinates	47.2611, -93.6528	EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026

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

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How it compares

Clay Boswell is the 3rd-largest of 18 power plants in Minnesota and the 366th-largest of 1,009 in the United States by capacity; its 923 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.

Within	Rank	Total	Share
Minnesota	3rd of 18	9,957 MW	9.3%
United States	366th of 1,009	917,512 MW	0.1%
All power plants in our data	557th of 15,800	1,923,633 MW	<0.1%

Nearby

Within 50 km of this power plant: 3 mines (2 operating), measured from the coordinates in the facts above.

Name	Kind	Size	Status	Distance
Prairie River Minerals Plant & Loadout	Mine	—	Closed	17 km
Mesabi Metallics Company LLC	Mine	—	Operating	34 km
Keetac	Mine	—	Operating	46 km

Owners, operator, grid operator and place

ALLETE, Inc.Owner · 87.9%
WPPI EnergyOwner · 12.1%
ALLETE, Inc.Operator
ALLETE, Inc.Grid operator
Power plants in Minnesota, United States24
Power plants in the United States1,844
Coal power plants in the US189
The United States: country profile
Largest power plants

Other power plants in Minnesota

All 24 power plants in Minnesota, United States

Data on this page

Contains public sector information licensed under the Open Government Licence v3.0. DUKES 5.11: Power stations in the United Kingdom, Open Government Licence v3.0.
Contains public sector information licensed under the Open Government Licence v3.0. DESNZ Renewable Energy Planning Database (REPD), Open Government Licence v3.0.
Source: U.S. Energy Information Administration (Sep 2026). EIA-860 / 860M / 923, Public domain.
JRC Open Power Plants Database (JRC-PPDB-OPEN), European Commission, Joint Research Centre. JRC Open Power Plants Database (JRC-PPDB-OPEN), CC BY 4.0.
Bundesnetzagentur, Marktstammdatenregister. Marktstammdatenregister, DL-DE-BY-2.0.
MSHA Mines Data Set. MSHA Mines Data Set, Public domain.
Dutch power station owners' and operators' pages. Dutch power station owners' and operators' pages, Facts only, each linked to its page.
Contains public sector information licensed under the Open Government Licence v3.0. Planning Inspectorate: National Infrastructure Projects, Open Government Licence v3.0.
RVO SDE(+)(+) projecten in beheer and SDE viewer. RVO SDE(+)(+) projecten in beheer and SDE viewer, Free reuse, no attribution required.
Wikidata. Wikidata, CC0 1.0.