M L Hibbard

4913 Main Street, Duluth, MN 55807

Plant Summary Information

M L Hibbard is ranked #3 out of 7 wood/wood waste solids power plants in Minnesota in terms of total annual net electricity generation.

M L Hibbard is comprised of 2 generators and generated 20.7 GWh during the 3-month period between November 2024 to February 2025.

Plant NameM L Hibbard
Utility NameALLETE, Inc.
LocationSt. Louis County, MN
Initial Operation DateJune 1949
Last Update Feb 2025
Annual Generation 66.2 GWh
Annual Consumption 1.4 M MMBtu
Ranked #3,666 out of 11,993 Power Plants Nationwide
Ranked #101 out of 168 Wood/Wood Waste Solids Power Plants Nationwide
Ranked #72 out of 739 Minnesota Power Plants
Ranked #3 out of 7 Minnesota Wood/Wood Waste Solids Power Plants
Fuel Types Wood/Wood Waste Solids : 93.2% Subbituminous Coal : 5.7% Natural Gas : 1.1%
Previous Operator Minnesota Power Inc (2013 to 2013)
ALLETE, Inc. (2014 to 2023)

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Monthly Net Generation for M L Hibbard

M L Hibbard Details

Summary Information
Plant NameM L Hibbard (1897)
Plant Address4913 Main Street, Duluth, MN 55807
UtilityALLETE, Inc. (12647)
Latitude, Longitude46.73533, -92.15171
Generation Dates on FileJan 2004 to Feb 2025
Initial Operation DateJune 1949
Annual Generation 66.2 GWh
Fuel Types Wood/Wood Waste Solids : 93.2% Subbituminous Coal : 5.7% Natural Gas : 1.1%
 
Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration StatusNo
FERC Small Power Producer StatusNo
FERC Exempt Wholesale Generator StatusNo
Regulatory Information
Regulatory StatusRegulated
NERC RegionMRO
Balancing AuthorityMidcontinent Independent Transmission System Operator, Inc.. (MISO)
NAICS CodeSteam and Air-Conditioning Supply (22133)
Sector Commercial CHP (5)
Water SourceSt Louis River
Ash Impoundment No
Transmission / Distribution OwnerALLETE, Inc. (12647) MN
Grid Voltage 115.00 kV
Energy StorageNo
 
Natural Gas Information
Local Distribution Company (LDC)DULUTH CITY OF
Natural Gas StorageNo

Generator 3 Details Operating June 1949

TechnologyWood/Wood Waste Biomass
Prime MoverSteam Turbine
OwnershipSingle Owner
RTO ISO LMP Node DesignationMP.HIBBAR3
RTO ISO Location Designation For Reporting Wholesale Sales DataMP.HIBBAR3
Nameplate Capacity35.3 MW
Nameplate Power Factor0.85
Summer Capacity30 MW
Winter Capacity30 MW
Minimum Load10 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateJune 1949
Combined Heat & Power Yes
Sector NameCommercial CHP (5)
Topping Or BottomingT
Energy SourceWood/Wood Waste Solids / Subbituminous Coal / Natural Gas
Startup SourceNatural Gas / Subbituminous Coal / Wood/Wood Waste Solids
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load12H
Pulverized Coal TechnologyNo
Stoker TechnologyYes
Subcritical TechnologyYes
Multiple FuelsYes
Cofire FuelsYes
Switch Between Oil And Natural GasNo
Multifuel Details
Cofire Energy SourceWDS / SUB / NG

Generator 4 Details Operating June 1951

TechnologyWood/Wood Waste Biomass
Prime MoverSteam Turbine
OwnershipSingle Owner
RTO ISO LMP Node DesignationMP.HIBBAR4
RTO ISO Location Designation For Reporting Wholesale Sales DataMP.HIBBAR4
Nameplate Capacity37.5 MW
Nameplate Power Factor0.85
Summer Capacity30 MW
Winter Capacity30 MW
Minimum Load10 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateJune 1951
Combined Heat & Power Yes
Sector NameCommercial CHP (5)
Topping Or BottomingT
Energy SourceWood/Wood Waste Solids / Subbituminous Coal / Natural Gas
Startup SourceNatural Gas / Subbituminous Coal / Wood/Wood Waste Solids
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load12H
Pulverized Coal TechnologyNo
Stoker TechnologyYes
Subcritical TechnologyYes
Multiple FuelsYes
Cofire FuelsYes
Switch Between Oil And Natural GasNo
Multifuel Details
Cofire Energy SourceWDS / SUB / NG

M L Hibbard Plant Owners

Owner NameAddressGeneratorOwnership
We couldn't locate any owners for this plant

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