Neil Simpson Gas Turbine #2

13151 Highway 51, Gillette, WY 82718

Plant Summary Information

Neil Simpson Gas Turbine #2 is ranked #10 out of 18 natural gas power plants in Wyoming in terms of total annual net electricity generation.

Neil Simpson Gas Turbine #2 is comprised of 1 generator and generated 1.5 GWh during the 3-month period between September 2023 to December 2023.

Plant Name	Neil Simpson Gas Turbine #2
Utility Name	Black Hills Power, Inc.
Location	Campbell County, WY
Initial Operation Date	April 2001
Last Update	Dec 2023
Annual Generation	19.4 GWh
Annual Consumption	290.1 k MMBtu
Ranked #5,196 out of 11,979 Power Plants Nationwide
Ranked #1,407 out of 2,255 Natural Gas Power Plants Nationwide
Ranked #57 out of 73 Wyoming Power Plants
Ranked #10 out of 18 Wyoming Natural Gas Power Plants
Fuel Types	Natural Gas
Previous Operators	Black Hills Power Inc (2013 to 2014) Black Hills Power, Inc. d/b/a (2015 to 2020) Black Hills Power, Inc. (2021 to 2023)

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Summary Information
Plant Name	Neil Simpson Gas Turbine #2 (55477)
Plant Address	13151 Highway 51, Gillette, WY 82718
Utility	Black Hills Power, Inc. (19545)
Latitude, Longitude	44.285, -105.3786
Generation Dates on File	Jan 2002 to Dec 2023
Initial Operation Date	April 2001
Annual Generation	19.4 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	Western Area Power Administration - Rocky Mountain Region (WACM)
NAICS Code	Utilities (22)
Sector	Electric Utility (1)
Water Source
Ash Impoundment	No
Transmission / Distribution Owner	Black Hills Power Inc (19545) WY
Grid Voltage	69.00 kV
Energy Storage	No

Natural Gas Information
Pipeline Name	Other - Please explain in pipeline notes below.
Pipeline Notes	CT2 natural gas is supplied by pipeline owned by Black Hills Power and is operated by Black Hills Service Company.
Natural Gas Storage	No

* Data obtained from the 2023 EIA 860 Report

Technology	Natural Gas Fired Combustion Turbine
Prime Mover	Combustion Turbine
Ownership	Wholly Owned by Other Entity
Nameplate Capacity	40 MW
Nameplate Power Factor	0.9
Summer Capacity	34 MW
Winter Capacity	38 MW
Minimum Load	24.7 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	April 2001

Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Natural Gas
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	10M
Other Planned Modifications	No
Multiple Fuels	No
Cofire Fuels	No
Switch Between Oil And Natural Gas	No

Owner Name	Address	Ownership
City Of Gillette	611 North Exchange Avenue, Gillette, WY 82717	100.00%

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

Rank	Plant Name	Plant Location	Annual Generation
#1397	Columbia Energy Center	Columbia, MO	20.1 GWh
#1398	John W Turk Jr Power Plant	Fulton, AR	2.6 TWh
#1399	Sagamore Plant Cogeneration	Lafayette, IN	20.0 GWh
#1400	Baptist Medical Center	Jacksonville, FL	19.9 GWh
#1401	Plains End II LLC	Arvada, CO	19.9 GWh
#1402	City of Tulare Water Facility	Tulare, CA	23.9 GWh
#1403	Warren	Warren, PA	19.8 GWh
#1404	Clevelandcliffs Warren	Warren, OH	53.3 GWh
#1405	West Groton CHP	Groton, MA	19.6 GWh
#1406	POET Biorefining - North Manchester, LLC	North Manchester, IN	19.4 GWh
#1408	Milam Gas Recovery	East St. Lois, IL	19.3 GWh
#1409	Danskammer Generating Station	Newburgh, NY	19.2 GWh
#1410	Central Power Plant	Cranston, RI	19.2 GWh
#1411	George Johnson	Hersey, MI	19.1 GWh
#1412	Yuba City Cogen Partners	Yuba City, CA	19.0 GWh
#1413	Rocky Road Power LLC	East Dundee, IL	18.8 GWh
#1414	Flint River Operations	Oglethorpe, GA	448.4 GWh
#1415	Grant Town Power Plant	Grant Town, WV	598.7 GWh
#1416	Rice University	Houston, TX	18.6 GWh
#1417	Brookside Newark	Newark, DE	18.5 GWh

Below are closest 20 power plants surrounding Neil Simpson Gas Turbine #2.

Plant Name	Plant Location	Annual Generation	Distance
Anticline Wind	Casper, WY	53.8 GWh	92.4 mi
Arvada	Arvada, WY	216.0 MWh	45.6 mi
Barber Creek	Gillette, WY	359.0 MWh	43.5 mi
Campbell Hill Windpower	Glenrock, WY	287.7 GWh	93.1 mi
Cedar Springs I	Douglas, WY	752.1 GWh	87.5 mi
Cedar Springs II	Douglas, WY	622.5 GWh	90.9 mi
Cedar Springs III	Douglas, WY	525.6 GWh	84.1 mi
Cedar Springs Wind IV	Douglas, WY	8.7 GWh	83.5 mi
Dave Johnston	Glen Rock, WY	4.0 TWh	102 mi
Dry Fork Station	Gillette, WY	2.6 TWh	8.2 mi
Glenrock	Glenrock, WY	314.1 GWh	90.5 mi
Hartzog	Wright, WY	318.0 MWh	32.4 mi
Neil Simpson II	Gillette, WY	685.7 GWh	0.2 mi
Rolling Hills	Glenrock, WY	187.8 GWh	88.1 mi
Spearfish Hydro	Spearfish, SD	21.4 GWh	76.4 mi
Top of the World Windpower Project	Glenrock, WY	379.8 GWh	96.1 mi
Wygen 1	Gillette, WY	559.8 GWh	0.2 mi
Wygen 2	Gillette, WY	663.4 GWh	0.5 mi
Wygen III	Gillette, WY	794.7 GWh	0.5 mi
Wyodak	Gillette, WY	2.0 TWh	0.4 mi