Prairie River

County Rd 61, Grand Rapids, MN 55744

Plant Summary Information

Prairie River is ranked #25 out of 26 hydroelectric power plants in Minnesota in terms of total annual net electricity generation.

Prairie River is comprised of 2 generators and generated 179.0 MWh during the 3-month period between September 2025 to December 2025.

Plant Name	Prairie River
Utility Name	ALLETE, Inc.
Location	Itasca County, MN
Initial Operation Date	April 1920
Last Update	Dec 2025
Annual Generation	1.6 GWh
Annual Consumption	6.1 k MMBtu
Ranked #11,446 out of 13,081 Power Plants Nationwide
Ranked #1,261 out of 1,311 Water Power Plants Nationwide
Ranked #668 out of 781 Minnesota Power Plants
Ranked #25 out of 26 Minnesota Water Power Plants
Fuel Types	Water
Previous Operator	Minnesota Power Inc (2013 to 2013) ALLETE, Inc. (2014 to 2025)

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Summary Information
Plant Name	Prairie River (378)
Plant Address	County Rd 61, Grand Rapids, MN 55744
Utility	ALLETE, Inc. (12647)
Latitude, Longitude	47.28721, -93.49827
Generation Dates on File	Jan 2001 to Dec 2025
Initial Operation Date	April 1920
Annual Generation	1.6 GWh
Fuel Types	Water

Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration Status	No
FERC Small Power Producer Status	No
FERC Exempt Wholesale Generator Status	No

Regulatory Information
Regulatory Status	Regulated
NERC Region	MRO
Balancing Authority	Midcontinent Independent Transmission System Operator, Inc.. (MISO)
NAICS Code	Utilities (22)
Sector	Electric Utility (1)
Water Source	Prairie River
Ash Impoundment
Transmission / Distribution Owner	ALLETE, Inc. (12647) MN
Grid Voltage	23.00 kV
Energy Storage	No

* Data obtained from the 2025 EIA 860 Report

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
Nameplate Capacity	0.7 MW
Nameplate Power Factor	0.8
Summer Capacity	0.5 MW
Winter Capacity	0.5 MW
Minimum Load	0.1 MW
Uprate/Derate Completed	No
Status	Operating

First Operation Date	April 1920
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	10M
Other Planned Modifications	No
Multiple Fuels	No

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
Nameplate Capacity	0.3 MW
Nameplate Power Factor	0.8
Summer Capacity	0.2 MW
Winter Capacity	0.2 MW
Minimum Load	0.1 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	April 1920
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	10M
Multiple Fuels	No

Owner Name	Address	Generator	Ownership
*We couldn't locate any owners for this plant*

Power plants with a similar annual net generation from Water.

Rank	Plant Name	Plant Location	Annual Generation
#1251	Indian River Hydro	Russell, MA	1.8 GWh
#1252	Skookumchuck	Tenino, WA	1.8 GWh
#1253	Toadtown	Magalia, CA	1.8 GWh
#1254	Blackstone/Tupperware	North Smithfield, RI	1.8 GWh
#1255	Site 980 65	Madera, CA	1.8 GWh
#1256	Ada Dam	Ada, MI	1.7 GWh
#1257	Deweys Mill	White River Jct., VT	1.7 GWh
#1258	Big Quinnesec 61	Iron Mountain, MI	1.7 GWh
#1259	Salida	Salida, CO	1.7 GWh
#1260	Bartholomew	Springville, UT	1.6 GWh
#1262	Pelican	Pelican, AK	1.7 GWh
#1263	Waterman Turnout Hydroelectric	San Bernardino, CA	1.6 GWh
#1264	C-Drop Hydro	Klamath Falls, OR	1.5 GWh
#1265	Oakdale Power Station	West Boylston, MA	1.4 GWh
#1266	Cavendish	Cavendish, VT	1.4 GWh
#1267	Wallace Dam	Eatonton, GA	1.3 GWh
#1268	Tulare Success Power Project	Porterville, CA	1.3 GWh
#1269	Diamond Valley Lake	Winchester, CA	1.3 GWh
#1270	EHC West Hopkinton	West Hopkinton, NH	1.2 GWh
#1271	McPhee	Cortez, CO	1.2 GWh

Below are closest 20 power plants surrounding Prairie River.

Plant Name	Plant Location	Annual Generation	Distance
Brainerd Airport	Brainerd, MN	10.0 GWh	69 mi
Brainerd Public Utilities	Brainerd, MN	12.7 GWh	70.8 mi
Clay Boswell	Cohasset, MN	5.8 TWh	7.5 mi
Fond Du Lac	Duluth, MN	37.6 GWh	71.1 mi
Hibbing	Hibbing, MN	39.8 GWh	28.1 mi
Jean Duluth Solar	Duluth, MN	2.1 GWh	73.8 mi
Knife Falls	Cloquet, MN	8.9 GWh	62.8 mi
Laskin Solar	Hoyt Lakes, MN	8.2 GWh	63.8 mi
M L Hibbard	Duluth, MN	97.7 GWh	74 mi
Moose Lake	Moose Lake, MN	128.0 MWh	67.3 mi
MP CSG 1 LLC	Wrenshall, MN	1.6 GWh	69.7 mi
Rapids Energy Center	Grand Rapids, MN	40.4 GWh	4.1 mi
Sappi Cloquet Mill	Cloquet, MN	460.5 GWh	63.6 mi
Scanlon	Scanlon, MN	6.5 GWh	64.6 mi
Solway CT	Solway, MN	142.9 GWh	78.3 mi
Syl Laskin	Hoyt Lakes, MN	196.3 GWh	64.7 mi
Sylvan Solar	Pillager, MN	25.1 GWh	78.7 mi
Taconite Ridge 1 Wind Energy Center	Mountain Iron, MN	53.1 GWh	46.8 mi
Thomson	Carlton, MN	198.2 GWh	70.2 mi
USS Itasca Clean Energy Solar LLC	Grand Rapids, MN	3.8 GWh	5.4 mi