2. U.S. Power Plants
  3. Colorado
  4. Weld County, CO
  5. Aristocrat Ranchettes, CO
  6. JM Shafer Generating Station

JM Shafer Generating Station

6811 Weld County Road 31, Ft. Lupton, CO 80621

Plant Summary Information

JM Shafer Generating Station is ranked #15 out of 250 power plants in Colorado in terms of total annual net electricity generation.

JM Shafer Generating Station is comprised of 7 generators and generated 186.6 GWh during the 3-month period between December 2024 to March 2025.

Plant NameJM Shafer Generating Station
Utility NameTri-State G & T Assn, Inc
LocationWeld County, CO
Initial Operation DateJune 1994
Last Update Mar 2025
Annual Generation 893.7 GWh
Annual Consumption 9.3 M MMBtu
Ranked #807 out of 11,623 Power Plants Nationwide
Ranked #460 out of 2,187 Natural Gas Power Plants Nationwide
Ranked #15 out of 250 Colorado Power Plants
Ranked #6 out of 34 Colorado Natural Gas Power Plants
Fuel Types Natural Gas

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Monthly Net Generation for JM Shafer Generating Station

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JM Shafer Generating Station Details

Summary Information
Plant NameJM Shafer Generating Station (50707)
Plant Address6811 Weld County Road 31, Ft. Lupton, CO 80621
UtilityTri-State G & T Assn, Inc (30151)
Latitude, Longitude40.0986, -104.7736
Generation Dates on FileJan 2001 to Mar 2025
Initial Operation DateJune 1994
Annual Generation 893.7 GWh
Fuel Types Natural Gas
 
Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration StatusNo
FERC Small Power Producer StatusNo
FERC Exempt Wholesale Generator StatusNo
Regulatory Information
Regulatory StatusRegulated
NERC RegionWECC
Balancing AuthorityPublic Service Company of Colorado (PSCO)
NAICS CodeUtilities (22)
Sector Electric Utility (1)
Water SourceMunicipality
Ash Impoundment No
Transmission / Distribution OwnerPublic Service Co of Colorado (15466) CO
Grid Voltage 230.00 kV
Energy StorageNo
 
Natural Gas Information
Pipeline Name COLORADO INTERSTATE GAS COMPANY LLC
Natural Gas StorageNo

* Data obtained from the 2023 EIA 860 Report

Generator LMA Details Operating June 1994

TechnologyNatural Gas Fired Combined Cycle
Prime MoverCombined Cycle Combustion Turbine Part
Unit CodeJ272
OwnershipSingle Owner
Can Bypass Heat Recovery Steam GeneratorNo
Nameplate Capacity58.5 MW
Nameplate Power Factor0.85
Summer Capacity272 MW
Winter Capacity272 MW
Minimum Load12 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateJune 1994
Combined Heat & Power Yes
Sector NameElectric Utility (1)
Topping Or BottomingT
Energy SourceNatural Gas
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load12H
Multiple FuelsNo
Cofire FuelsNo
Switch Between Oil And Natural GasNo

Generator LMB Details Operating June 1994

TechnologyNatural Gas Fired Combined Cycle
Prime MoverCombined Cycle Combustion Turbine Part
Unit CodeJ272
OwnershipSingle Owner
Can Bypass Heat Recovery Steam GeneratorNo
Nameplate Capacity58.5 MW
Nameplate Power Factor0.85
Minimum Load12 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateJune 1994
Combined Heat & Power Yes
Sector NameElectric Utility (1)
Topping Or BottomingT
Energy SourceNatural Gas
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load12H
Multiple FuelsNo
Cofire FuelsNo
Switch Between Oil And Natural GasNo

Generator STA Details Operating June 1994

TechnologyNatural Gas Fired Combined Cycle
Prime MoverCombined Cycle Steam Part
Unit CodeJ272
OwnershipSingle Owner
Duct BurnersYes
Nameplate Capacity52.2 MW
Nameplate Power Factor1
Minimum Load5.2 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateJune 1994
Combined Heat & Power Yes
Sector NameElectric Utility (1)
Topping Or BottomingT
Energy SourceNatural Gas
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load12H
Multiple FuelsNo
Cofire FuelsNo
Switch Between Oil And Natural GasNo

Generator STB Details Operating June 1994

TechnologyNatural Gas Fired Combined Cycle
Prime MoverCombined Cycle Steam Part
Unit CodeJ272
OwnershipSingle Owner
Duct BurnersYes
Nameplate Capacity52.2 MW
Nameplate Power Factor1
Minimum Load5.2 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateJune 1994
Combined Heat & Power Yes
Sector NameElectric Utility (1)
Topping Or BottomingT
Energy SourceNatural Gas
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load12H
Multiple FuelsNo
Cofire FuelsNo
Switch Between Oil And Natural GasNo

Generator LMC Details Operating July 1994

TechnologyNatural Gas Fired Combined Cycle
Prime MoverCombined Cycle Combustion Turbine Part
Unit CodeJ272
OwnershipSingle Owner
Can Bypass Heat Recovery Steam GeneratorNo
Nameplate Capacity58.5 MW
Nameplate Power Factor0.85
Minimum Load12 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateJuly 1994
Combined Heat & Power Yes
Sector NameElectric Utility (1)
Topping Or BottomingT
Energy SourceNatural Gas
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load12H
Multiple FuelsNo
Cofire FuelsNo
Switch Between Oil And Natural GasNo

Generator LMD Details Operating July 1994

TechnologyNatural Gas Fired Combined Cycle
Prime MoverCombined Cycle Combustion Turbine Part
Unit CodeJ272
OwnershipSingle Owner
Can Bypass Heat Recovery Steam GeneratorNo
Nameplate Capacity58.5 MW
Nameplate Power Factor0.85
Minimum Load12 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateJuly 1994
Combined Heat & Power Yes
Sector NameElectric Utility (1)
Topping Or BottomingT
Energy SourceNatural Gas
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load12H
Multiple FuelsNo
Cofire FuelsNo
Switch Between Oil And Natural GasNo

Generator LME Details Operating July 1994

TechnologyNatural Gas Fired Combined Cycle
Prime MoverCombined Cycle Combustion Turbine Part
Unit CodeJ272
OwnershipSingle Owner
Can Bypass Heat Recovery Steam GeneratorNo
Nameplate Capacity58.5 MW
Nameplate Power Factor0.85
Minimum Load12 MW
Uprate/Derate Completed No
StatusOperating
First Operation DateJuly 1994
Combined Heat & Power Yes
Sector NameElectric Utility (1)
Topping Or BottomingT
Energy SourceNatural Gas
Solid Fuel Gasification No
Carbon Capture TechnologyNo
Time From Cold Shutdown To Full Load12H
Multiple FuelsNo
Cofire FuelsNo
Switch Between Oil And Natural GasNo

JM Shafer Generating Station Plant Owners

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

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RankPlant NamePlant LocationAnnual Generation
#450Maine Independence StationVeazie, ME936.9 GWh
#451Elk StationAbernathy, TX934.4 GWh
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#453CFB Power PlantPoint Comfort, TX929.9 GWh
#454MadisonTrenton, OH928.1 GWh
#455George M Sullivan Generation Plant 2Anchorage, AK911.3 GWh
#456Southcentral Power ProjectAnchorage, AK905.3 GWh
#457LSP-Whitewater LPWhitewater, WI903.4 GWh
#458Hardee Power StationBowling Green, FL900.2 GWh
#459New Castle PlantWest Pittsburg, PA898.1 GWh
#461Delaware City PlantDelaware City, DE1.1 TWh
#462Donald Von Raesfeld Power PlantSanta Clara, CA883.7 GWh
#463Power IslandAlvin, TX879.4 GWh
#464Brame Energy CenterLena, LA2.5 TWh
#465HandleyFort Worth, TX867.2 GWh
#466Horseshoe LakeHarrah, OK865.2 GWh
#467Lake HubbardSunnyvale, TX899.7 GWh
#468Washington County Cogeneration FacilityMcIntosh, AL862.2 GWh
#469Big Cajun 2New Roads, LA1.9 TWh
#470Paris Energy CenterParis, TX858.7 GWh

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