JM Shafer Generating Station

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

Plant Summary Information

JM Shafer Generating Station is ranked #23 out of 290 power plants in Colorado in terms of total annual net electricity generation.

JM Shafer Generating Station is comprised of 7 generators and generated 123.8 GWh during the 3-month period between February 2026 to May 2026.

Plant Name	JM Shafer Generating Station
Utility Name	Tri-State G & T Assn, Inc
Location	Weld County, CO
Initial Operation Date	June 1994
Last Update	May 2026
Annual Generation	613.9 GWh
Annual Consumption	6.5 M MMBtu
Ranked #1,127 out of 13,081 Power Plants Nationwide
Ranked #520 out of 2,206 Natural Gas Power Plants Nationwide
Ranked #23 out of 290 Colorado Power Plants
Ranked #7 out of 35 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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Monthly Plant Fuel Consumption for JM Shafer Generating Station

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JM Shafer Generating Station Details

Summary Information
Plant Name	JM Shafer Generating Station (50707)
Plant Address	6811 Weld County Road 31, Ft. Lupton, CO 80621
Utility	Tri-State G & T Assn, Inc (30151)
Latitude, Longitude	40.0986, -104.7736
Generation Dates on File	Jan 2001 to May 2026
Initial Operation Date	June 1994
Annual Generation	613.9 GWh
Fuel Types	Natural Gas

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	WECC
Balancing Authority	Public Service Company of Colorado (PSCO)
NAICS Code	Utilities (22)
Sector	Electric Utility (1)
Water Source	Municipality
Ash Impoundment	No
Transmission / Distribution Owner	Public Service Co of Colorado (15466) CO
Grid Voltage	230.00 kV
Energy Storage	No

Natural Gas Information
Pipeline Name	COLORADO INTERSTATE GAS COMPANY LLC
Natural Gas Storage	No

* Data obtained from the 2025 EIA 860 Report

Generator LMA Details Operating June 1994

Technology	Natural Gas Fired Combined Cycle
Prime Mover	Combined Cycle Combustion Turbine Part
Unit Code	J272
Ownership	Single Owner
Can Bypass Heat Recovery Steam Generator	No
Nameplate Capacity	58.5 MW
Nameplate Power Factor	0.85
Summer Capacity	272 MW
Winter Capacity	272 MW
Minimum Load	12 MW
Uprate/Derate Completed	No
Status	Operating

First Operation Date	June 1994
Combined Heat & Power	Yes
Sector Name	Electric Utility (1)
Topping Or Bottoming	T
Energy Source	Natural Gas
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	12H
Other Planned Modifications	No
Multiple Fuels	No
Cofire Fuels	No
Switch Between Oil And Natural Gas	No

Generator LMB Details Operating June 1994

Technology	Natural Gas Fired Combined Cycle
Prime Mover	Combined Cycle Combustion Turbine Part
Unit Code	J272
Ownership	Single Owner
Can Bypass Heat Recovery Steam Generator	No
Nameplate Capacity	58.5 MW
Nameplate Power Factor	0.85
Minimum Load	12 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	June 1994

Combined Heat & Power	Yes
Sector Name	Electric Utility (1)
Topping Or Bottoming	T
Energy Source	Natural Gas
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	12H
Other Planned Modifications	No
Multiple Fuels	No
Cofire Fuels	No
Switch Between Oil And Natural Gas	No

Generator STA Details Operating June 1994

Technology	Natural Gas Fired Combined Cycle
Prime Mover	Combined Cycle Steam Part
Unit Code	J272
Ownership	Single Owner
Duct Burners	Yes
Nameplate Capacity	52.2 MW
Nameplate Power Factor	1
Minimum Load	5.2 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	June 1994

Combined Heat & Power	Yes
Sector Name	Electric Utility (1)
Topping Or Bottoming	T
Energy Source	Natural Gas
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	12H
Other Planned Modifications	No
Multiple Fuels	No
Cofire Fuels	No
Switch Between Oil And Natural Gas	No

Generator STB Details Operating June 1994

Technology	Natural Gas Fired Combined Cycle
Prime Mover	Combined Cycle Steam Part
Unit Code	J272
Ownership	Single Owner
Duct Burners	Yes
Nameplate Capacity	52.2 MW
Nameplate Power Factor	1
Minimum Load	5.2 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	June 1994

Combined Heat & Power	Yes
Sector Name	Electric Utility (1)
Topping Or Bottoming	T
Energy Source	Natural Gas
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	12H
Other Planned Modifications	No
Multiple Fuels	No
Cofire Fuels	No
Switch Between Oil And Natural Gas	No

Generator LMC Details Operating July 1994

Technology	Natural Gas Fired Combined Cycle
Prime Mover	Combined Cycle Combustion Turbine Part
Unit Code	J272
Ownership	Single Owner
Can Bypass Heat Recovery Steam Generator	No
Nameplate Capacity	58.5 MW
Nameplate Power Factor	0.85
Minimum Load	12 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	July 1994

Combined Heat & Power	Yes
Sector Name	Electric Utility (1)
Topping Or Bottoming	T
Energy Source	Natural Gas
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	12H
Other Planned Modifications	No
Multiple Fuels	No
Cofire Fuels	No
Switch Between Oil And Natural Gas	No

Generator LMD Details Operating July 1994

Technology	Natural Gas Fired Combined Cycle
Prime Mover	Combined Cycle Combustion Turbine Part
Unit Code	J272
Ownership	Single Owner
Can Bypass Heat Recovery Steam Generator	No
Nameplate Capacity	58.5 MW
Nameplate Power Factor	0.85
Minimum Load	12 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	July 1994

Combined Heat & Power	Yes
Sector Name	Electric Utility (1)
Topping Or Bottoming	T
Energy Source	Natural Gas
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	12H
Other Planned Modifications	No
Multiple Fuels	No
Cofire Fuels	No
Switch Between Oil And Natural Gas	No

Generator LME Details Operating July 1994

Technology	Natural Gas Fired Combined Cycle
Prime Mover	Combined Cycle Combustion Turbine Part
Unit Code	J272
Ownership	Single Owner
Can Bypass Heat Recovery Steam Generator	No
Nameplate Capacity	58.5 MW
Nameplate Power Factor	0.85
Minimum Load	12 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	July 1994

Combined Heat & Power	Yes
Sector Name	Electric Utility (1)
Topping Or Bottoming	T
Energy Source	Natural Gas
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	12H
Other Planned Modifications	No
Multiple Fuels	No
Cofire Fuels	No
Switch Between Oil And Natural Gas	No

JM Shafer Generating Station Plant Owners

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

Power Plants with Similar Net Generation

Power plants with a similar annual net generation from Natural Gas.

Rank	Plant Name	Plant Location	Annual Generation
#510	Marsh Run Generation Facility	Remington, VA	687.4 GWh
#511	Martinez Refining	Martinez, CA	668.8 GWh
#512	Cherokee County Cogen	Gaffney, SC	644.3 GWh
#513	Emporia Energy Center	Emporia, KS	634.2 GWh
#514	Greenidge Generation LLC	Dresden, NY	624.9 GWh
#515	Freeport LP Pretreatment Facility	Freeport, TX	623.7 GWh
#516	Nebo Power Station	Payson, UT	622.1 GWh
#517	Morris Cogeneration LLC	Morris, IL	621.2 GWh
#518	Anadarko Plant	Anadarko, OK	615.9 GWh
#519	Horseshoe Lake	Harrah, OK	614.9 GWh
#521	RockGen Energy Center	Cambridge, WI	624.8 GWh
#522	Louisa Generation Facility	Gordonsville, VA	646.1 GWh
#523	Kennedy International Airport Cogen	Jamaica, NY	609.1 GWh
#524	Roseton Generating Facility	Newsburgh, NY	795.9 GWh
#525	Marathon Bay Area Cogen	Martinez, CA	595.6 GWh
#526	Naughton	Kemmerer, WY	1.7 TWh
#527	R W Miller	Palo Pinto, TX	586.3 GWh
#528	Shell Chemical	Geismar, LA	585.3 GWh
#529	R D Green	Robards, KY	580.7 GWh
#530	SABIC Innovative Plastics Mt. Vernon	Mount Vernon, IN	579.6 GWh

Nearby Power Plants

Below are closest 20 power plants surrounding JM Shafer Generating Station.

Plant Name	Plant Location	Annual Generation	Distance
Brighton PV Solar Plant	Brighton, CO	3.3 GWh	11.9 mi
Fort Lupton	Ft. Lupton, CO	15.1 GWh	1.3 mi
Fort St Vrain	Platteville, CO	4.0 TWh	11.5 mi
Frank Knutson	Commerce City, CO	102.2 GWh	11.9 mi
Front Range Project	Erie, CO	20.2 GWh	13.1 mi
Gilcrest Solar	Platteville, CO	3.5 GWh	13.2 mi
Mountain Peak Power Station	Keenesburg, CO	124.4 GWh	12.3 mi
NSE Camber Solar PS5 LLC (CSG)	Platteville, CO	3.6 GWh	11 mi
NSE Camber Solar PS6 LLC CSG	Platteville, CO	3.6 GWh	11.5 mi
Oak Leaf Solar XXVIII LLC (CSG)	Platteville, CO	3.3 GWh	9.6 mi
Overland	Hudson, CO	22.1 GWh	7.2 mi
Pivot Solar 4 LLC (CSG)	Platteville, CO	3.6 GWh	9 mi
Pivot Solar 8 LLC (CSG)	Platteville, CO	3.5 GWh	9.9 mi
Platteville Solar CSG, LLC	Platteville, CO	2.8 GWh	9 mi
Rocky Mountain Energy Center	Keenesburg, CO	3.1 TWh	9.4 mi
Spindle Hill Energy Center	Fort Lupton, CO	516.7 GWh	6.1 mi
SR Jenkins Ft Lupton	Ft. Lupton, CO	30.7 GWh	1.9 mi
SR Platte Solar Farm	Platteville, CO	33.9 GWh	7.2 mi
Vasquez V CSG	Platteville, CO	8.3 GWh	9.3 mi
Weld 1 Community Solar Array	Platteville, CO	3.3 GWh	9.3 mi