Wygen III
20 Wyodak Road, Gillette, WY 82718Plant Summary Information
Wygen III is ranked #12 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 #1,036 out of 12,288 Power Plants Nationwide | |
| Ranked #88 out of 128 Subbituminous Coal Power Plants Nationwide | |
| Ranked #12 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) |
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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 |
|---|---|---|---|
| #78 | Nearman Creek | Kansas, KS | 1.1 TWh |
| #79 | Trimble County | Bedford, KY | 9.3 TWh |
| #80 | North Omaha | Omaha, NE | 1.0 TWh |
| #81 | GREC | Chouteau, OK | 3.6 TWh |
| #82 | Muskogee | Fort Gibson, OK | 3.0 TWh |
| #83 | Intermountain Power Project | Delta, UT | 6.9 TWh |
| #84 | George Neal South | Salix, IA | 735.2 GWh |
| #85 | Sheldon | Hallam, NE | 727.8 GWh |
| #86 | Archer Daniels Midland Clinton | Clinton, IA | 784.7 GWh |
| #87 | Michigan City | Michigan City, IN | 893.5 GWh |
| #89 | Muscatine Plant #1 | Muscatine, IA | 662.5 GWh |
| #90 | Thomas Hill | Clifton Hill, MO | 5.4 TWh |
| #91 | North Valmy | Valmy, NV | 1.2 TWh |
| #92 | Allen S King | Oak Park Heights, MN | 584.2 GWh |
| #93 | Neil Simpson II | Gillette, WY | 660.9 GWh |
| #94 | Rush Island | Festus, MO | 603.1 GWh |
| #95 | Archer Daniels Midland Cedar Rapids | Cedar Rapids, IA | 1.0 TWh |
| #96 | Wygen 2 | Gillette, WY | 581.5 GWh |
| #97 | Lawrence Energy Center | Lawrence, KS | 852.1 GWh |
| #98 | Wygen 1 | Gillette, WY | 549.5 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Wygen III.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Anticline Wind | Casper, WY | 125.8 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 | 289.9 GWh | 93.5 mi |
| Cedar Springs I | Douglas, WY | 734.0 GWh | 88 mi |
| Cedar Springs II | Douglas, WY | 622.5 GWh | 91.4 mi |
| Cedar Springs III | Douglas, WY | 513.1 GWh | 84.6 mi |
| Cedar Springs Wind IV | Douglas, WY | 208.6 GWh | 83.9 mi |
| Dave Johnston | Glen Rock, WY | 4.1 TWh | 102.4 mi |
| Dry Fork Station | Gillette, WY | 2.6 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 | 449.2 GWh | 96.6 mi |
| Wygen 1 | Gillette, WY | 549.5 GWh | 0.4 mi |
| Wygen 2 | Gillette, WY | 581.5 GWh | 0 mi |
| Wyodak | Gillette, WY | 1.9 TWh | 0.1 mi |