Hibbard Energy Center

72.8 MW

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Address

4913 Main Street
Duluth, MN 55807
United States

Saint Louis County

Latitude: 46.73555

Longitude: -92.15229

Year Opened: 1931

Water Source: St Louis River

Notes

burns 10-90 coal to biomass ratio
The plant is used primarily to produce eletricity & steam for Stora Enso North America (SENA) [now New Page Paper]. Article says that the plant typically generates ~ 50MW of electricity

The ash is used as agricultural soil enhancement or is landfilled!

This permit allows for the addition of oily coal (coal with oil spilled on it), oily cellulose based sorbents (including rags), activated charcoal, boiler cleaning agents, and cellulose fill from mattress recycling as permitted fuels.

Edits

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Updated on 12-31-2008

Data Sources

EIA 2008
2012 U.S. Biomass Power Map

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CORPORATIONS

Name	Relation	Ownership
Minnesota Power Inc	Owner	50%
City of Duluth	Owner	50%

LINKS

Link
Air Permit combusts a mixture of wood, coal, natural gas and paper mill sludge.
Biomass and Coal: A Powerful Combination August 2011 "the Duluth facility typically generates about 50 MW from a 10-90 coal to biomass ratio"
M.L. Hibbard plant by rexp2 photo
Minnesota Power Secures Long-Term Energy Contract With Stora Enso Paper 12/19/2005 "to provide all of their purchased electric service needs through August 2013" "average monthly energy use of approximately 56 megawatts"
MPC Helps Optimize Operation of Biomass-Fired Multi-Fuel Boilers photo, long & detailed article "The plant is working to be able to burn 665,000 tons of biomass per year and 13,000 tons of coal to produce 3,600,000 klb of steam to generate 220,000 mWh of power and

PEOPLE

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Unit Information

Generator Number	Type	Power	Status	Fuel	Secondary Fuel(s)
1	Burner: Unknown Type	25 MW	Closed	Residual Fuel Oil
2	Burner: Unknown Type	25 MW	Closed	Residual Fuel Oil
3	Burner: Unknown Type	35 MW	Operating	Wood Waste Solids	Subbituminous Coal
4	Burner: Unknown Type	38 MW	Operating	Wood Waste Solids	Subbituminous Coal

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