Neil Simpson Gas Turbine #2
13151 Highway 51, Gillette, WY 82718Plant Summary Information
Neil Simpson Gas Turbine #2 is ranked #9 out of 17 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 7.4 GWh during the 3-month period between September 2025 to December 2025.
| 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 2025 |
| Annual Generation | 36.5 GWh |
| Annual Consumption | 452.1 k MMBtu |
| Ranked #4,596 out of 13,081 Power Plants Nationwide | |
| Ranked #1,202 out of 2,206 Natural Gas Power Plants Nationwide | |
| Ranked #54 out of 69 Wyoming Power Plants | |
| Ranked #9 out of 17 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 2025) |
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Monthly Net Generation for Neil Simpson Gas Turbine #2
Monthly Plant Fuel Consumption for Neil Simpson Gas Turbine #2
Neil Simpson Gas Turbine #2 Details
| 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 2025 |
| Initial Operation Date | April 2001 |
| Annual Generation | 36.5 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 |
Generator GT2 Details Operating April 2001
| 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 |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
Neil Simpson Gas Turbine #2 Plant Owners
| Owner Name | Address | Ownership |
|---|---|---|
| City Of Gillette | 611 North Exchange Avenue, Gillette, WY 82717 | 100.00% |
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Natural Gas.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #1192 | BYUI Central Energy Facility | Rexburg, ID | 37.7 GWh |
| #1193 | SJ/SC WPCP | San Jose, CA | 69.4 GWh |
| #1194 | South Windsor Fuel Cell | South Windsor, CT | 37.4 GWh |
| #1195 | Rubart | Ulysses, KS | 37.3 GWh |
| #1196 | Darlington County | Hartsville, SC | 56.2 GWh |
| #1197 | Gaylord - Wolverine | Gaylord, MI | 37.1 GWh |
| #1198 | Kaiser - LA | Los Angeles, CA | 36.9 GWh |
| #1199 | Allegany Cogen | Fillmore, NY | 36.8 GWh |
| #1200 | Jax LNG | Jacksonville, FL | 36.6 GWh |
| #1201 | UA Central Utility Plant | Fayetteville, AR | 36.5 GWh |
| #1203 | Mission College Blvd. Fuel Cell | Santa Clara, CA | 36.3 GWh |
| #1204 | Bear Mountain Limited | Bakersfield, CA | 36.1 GWh |
| #1205 | Kern Oil & Refining Co | Bakersfield, CA | 35.7 GWh |
| #1206 | Oregon State University Energy Center | Corvallis, OR | 35.6 GWh |
| #1207 | Feather River Energy Center | Yuba City, CA | 35.4 GWh |
| #1208 | Anheuser-Busch St Louis | St. Louis, MO | 38.1 GWh |
| #1209 | Threemile Digester | Boardman, OR | 35.4 GWh |
| #1210 | San Jose Cogeneration | San Jose, CA | 35.4 GWh |
| #1211 | MAS ASB Cogen Plant | Atlanta, GA | 39.9 GWh |
| #1212 | Antelope Valley | Beulah, ND | 5.8 TWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Neil Simpson Gas Turbine #2.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Anticline Wind | Casper, WY | 411.3 GWh | 92.4 mi |
| Arvada | Arvada, WY | 171.0 MWh | 45.6 mi |
| Barber Creek | Gillette, WY | 294.0 MWh | 43.5 mi |
| Campbell Hill Windpower | Glenrock, WY | 261.4 GWh | 93.1 mi |
| Cedar Springs I | Douglas, WY | 733.0 GWh | 87.5 mi |
| Cedar Springs II | Douglas, WY | 736.0 GWh | 90.9 mi |
| Cedar Springs III | Douglas, WY | 484.7 GWh | 84.1 mi |
| Cedar Springs Wind IV | Douglas, WY | 1.3 TWh | 83.5 mi |
| Dave Johnston | Glen Rock, WY | 3.2 TWh | 102 mi |
| Dry Fork Station | Gillette, WY | 2.6 TWh | 8.2 mi |
| Glenrock | Glenrock, WY | 469.2 GWh | 90.5 mi |
| Hartzog | Wright, WY | 148.0 MWh | 32.4 mi |
| Neil Simpson II | Gillette, WY | 641.8 GWh | 0.2 mi |
| Rolling Hills | Glenrock, WY | 295.1 GWh | 88.1 mi |
| Spearfish Hydro | Spearfish, SD | 18.4 GWh | 76.4 mi |
| Top of the World Windpower Project | Glenrock, WY | 517.3 GWh | 96.1 mi |
| Wygen 1 | Gillette, WY | 578.0 GWh | 0.2 mi |
| Wygen 2 | Gillette, WY | 595.6 GWh | 0.5 mi |
| Wygen III | Gillette, WY | 95.0 GWh | 0.5 mi |
| Wyodak | Gillette, WY | 2.0 TWh | 0.4 mi |