Wygen III
20 Wyodak Road, Gillette, WY 82718Plant Summary Information
Wygen III is ranked #13 out of 73 power plants in Wyoming in terms of total annual net electricity generation.
Wygen III is comprised of 1 generator and generated 167.6 GWh during the 3-month period between September 2024 to December 2024.
| Plant Name | Wygen III |
|---|---|
| Utility Name | Black Hills Power, Inc. |
| Location | Campbell County, WY |
| Initial Operation Date | April 2010 |
| Last Update | Dec 2024 |
| Annual Generation | 670.7 GWh |
| Annual Consumption | 8.7 M MMBtu |
| Ranked #1,033 out of 12,327 Power Plants Nationwide | |
| Ranked #90 out of 129 Subbituminous Coal Power Plants Nationwide | |
| Ranked #13 out of 73 Wyoming Power Plants | |
| Ranked #7 out of 11 Wyoming Subbituminous Coal Power Plants | |
| Fuel Types | Subbituminous Coal : 99.7% |
| 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 2024) |
Map of Wygen III
Full Screen MapRegister Now for Comprehensive Access
Subscribe now to access all power plant data, utility information, FERC EQR data, and more for Wygen III.
Monthly Net Generation for Wygen III
Wygen III Details
| Summary Information | |
|---|---|
| Plant Name | Wygen III (56596) |
| Plant Address | 20 Wyodak Road, Gillette, WY 82718 |
| Utility | Black Hills Power, Inc. (19545) |
| Latitude, Longitude | 44.2919, -105.3806 |
| Generation Dates on File | Apr 2010 to Dec 2024 |
| Initial Operation Date | April 2010 |
| Annual Generation | 670.7 GWh |
| Fuel Types | Subbituminous Coal : 99.7% |
| 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 | Wells |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Black Hills Power Inc (19545) WY |
| Grid Voltage | 230.00 kV |
| Energy Storage | No |
| Natural Gas Information | |
| Pipeline Name | Other - Please explain in pipeline notes below. |
| Pipeline Notes | Wygen 3 natural gas startup fuel supplied by pipeline owned by Black Hills and is operated by Black Hills Service Co. |
| Natural Gas Storage | No |
Generator 5 Details Operating April 2010
| Technology | Conventional Steam Coal |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Jointly Owned |
| Nameplate Capacity | 116 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 100 MW |
| Winter Capacity | 103 MW |
| Minimum Load | 71.5 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | April 2010 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
|---|---|
| Energy Source | Subbituminous Coal |
| Startup Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | OVER |
| Pulverized Coal Technology | Yes |
| Subcritical Technology | Yes |
| Other Planned Modifications | No |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
Wygen III Plant Owners
| Owner Name | Address | Ownership |
|---|---|---|
| Montana-Dakota Utilities Co | 400 North Fourth Street, Bismarck, ND 58501 | 25.00% |
| Black Hills Power, Inc. | 7001 Mt. Rushmore Road, Rapid City, SD 57702 | 52.00% |
| City Of Gillette | 611 North Exchange Avenue, Gillette, WY 82717 | 23.00% |
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Subbituminous Coal.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #80 | John P Madgett | Alma, WI | 1.0 TWh |
| #81 | Harrington | Amarillo, TX | 2.3 TWh |
| #82 | Muskogee | Fort Gibson, OK | 2.6 TWh |
| #83 | George Neal South | Salix, IA | 954.1 GWh |
| #84 | GREC | Chouteau, OK | 3.9 TWh |
| #85 | Michigan City | Michigan City, IN | 1.1 TWh |
| #86 | Trimble County | Bedford, KY | 8.4 TWh |
| #87 | Muscatine Plant #1 | Muscatine, IA | 709.3 GWh |
| #88 | Archer Daniels Midland Clinton | Clinton, IA | 782.3 GWh |
| #89 | Sheldon | Hallam, NE | 700.1 GWh |
| #91 | Neil Simpson II | Gillette, WY | 660.9 GWh |
| #92 | Allen S King | Oak Park Heights, MN | 576.6 GWh |
| #93 | Lawrence Energy Center | Lawrence, KS | 711.4 GWh |
| #94 | Rush Island | Festus, MO | 603.1 GWh |
| #95 | Wygen 2 | Gillette, WY | 581.5 GWh |
| #96 | Archer Daniels Midland Cedar Rapids | Cedar Rapids, IA | 995.7 GWh |
| #97 | Wygen 1 | Gillette, WY | 518.8 GWh |
| #98 | North Valmy | Valmy, NV | 1.2 TWh |
| #99 | Lon Wright | Fremont, NE | 521.6 GWh |
| #100 | Intermountain Power Project | Delta, UT | 6.9 TWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Wygen III.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Anticline Wind | Casper, WY | 204.5 GWh | 92.7 mi |
| Arvada | Arvada, WY | 199.0 MWh | 45.2 mi |
| Barber Creek | Gillette, WY | 273.0 MWh | 43.9 mi |
| Campbell Hill Windpower | Glenrock, WY | 271.9 GWh | 93.5 mi |
| Cedar Springs I | Douglas, WY | 701.1 GWh | 88 mi |
| Cedar Springs II | Douglas, WY | 589.5 GWh | 91.4 mi |
| Cedar Springs III | Douglas, WY | 493.0 GWh | 84.6 mi |
| Cedar Springs Wind IV | Douglas, WY | 472.1 GWh | 83.9 mi |
| Dave Johnston | Glen Rock, WY | 4.4 TWh | 102.4 mi |
| Dry Fork Station | Gillette, WY | 2.1 TWh | 7.8 mi |
| Glenrock | Glenrock, WY | 400.8 GWh | 90.9 mi |
| Hartzog | Wright, WY | 178.0 MWh | 32.8 mi |
| Neil Simpson Gas Turbine #2 | Gillette, WY | 28.5 GWh | 0.5 mi |
| Neil Simpson II | Gillette, WY | 660.9 GWh | 0.5 mi |
| Rolling Hills | Glenrock, WY | 244.8 GWh | 88.5 mi |
| Spearfish Hydro | Spearfish, SD | 19.9 GWh | 76.4 mi |
| Top of the World Windpower Project | Glenrock, WY | 457.5 GWh | 96.6 mi |
| Wygen 1 | Gillette, WY | 518.8 GWh | 0.4 mi |
| Wygen 2 | Gillette, WY | 581.5 GWh | 0 mi |
| Wyodak | Gillette, WY | 2.0 TWh | 0.1 mi |