Wygen 1
13151 Highway 51, Gillette, WY 82718Plant Summary Information
Wygen 1 is ranked #18 out of 73 power plants in Wyoming in terms of total annual net electricity generation.
Wygen 1 is comprised of 1 generator and generated 71.7 GWh during the 3-month period between February 2025 to May 2025.
| Plant Name | Wygen 1 |
|---|---|
| Utility Name | Black Hills Power, Inc. |
| Location | Campbell County, WY |
| Initial Operation Date | January 2003 |
| Last Update | May 2025 |
| Annual Generation | 482.8 GWh |
| Annual Consumption | 6.2 M MMBtu |
| Ranked #1,349 out of 12,312 Power Plants Nationwide | |
| Ranked #101 out of 129 Subbituminous Coal Power Plants Nationwide | |
| Ranked #18 out of 73 Wyoming Power Plants | |
| Ranked #10 out of 11 Wyoming Subbituminous Coal Power Plants | |
| Fuel Types | Subbituminous Coal : 99.9% |
| 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 1
Full Screen MapRegister Now for Comprehensive Access
Subscribe now to access all power plant data, utility information, FERC EQR data, and more for Wygen 1.
Monthly Net Generation for Wygen 1
Wygen 1 Details
| Summary Information | |
|---|---|
| Plant Name | Wygen 1 (55479) |
| Plant Address | 13151 Highway 51, Gillette, WY 82718 |
| Utility | Black Hills Power, Inc. (19545) |
| Latitude, Longitude | 44.2858, -105.3833 |
| Generation Dates on File | Jan 2003 to May 2025 |
| Initial Operation Date | January 2003 |
| Annual Generation | 482.8 GWh |
| Fuel Types | Subbituminous Coal : 99.9% |
| 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 | Non-Regulated |
| NERC Region | WECC |
| Balancing Authority | Western Area Power Administration - Rocky Mountain Region (WACM) |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| 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 1 start up natural gas pipeline is owned by Black Hills and operated by Black Hills Service Co. |
| Natural Gas Storage | No |
Generator 0001 Details Operating January 2003
| Technology | Conventional Steam Coal |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Jointly Owned |
| Nameplate Capacity | 90 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 85 MW |
| Winter Capacity | 86 MW |
| Minimum Load | 57.2 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | January 2003 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
|---|---|
| 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 1 Plant Owners
| Owner Name | Address | Ownership |
|---|---|---|
| Municipal Energy Agency of NE | 8377 Glynoaks Drive, Lincoln, NE 68512 | 23.50% |
| Black Hills Wyoming Inc | P O Box 1400, Rapid City, SD 57709 | 76.50% |
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Subbituminous Coal.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #91 | Allen S King | Oak Park Heights, MN | 579.1 GWh |
| #92 | Neil Simpson II | Gillette, WY | 660.9 GWh |
| #93 | Lawrence Energy Center | Lawrence, KS | 710.2 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 | 1.0 TWh |
| #97 | Intermountain Power Project | Delta, UT | 6.9 TWh |
| #98 | North Valmy | Valmy, NV | 1.2 TWh |
| #99 | River Valley | Panama, OK | 597.5 GWh |
| #100 | Lon Wright | Fremont, NE | 521.6 GWh |
| #102 | Hardin Generator Project | Hardin, MT | 435.4 GWh |
| #103 | Apache Station | Cochise, AZ | 2.3 TWh |
| #104 | Platte | Grand Island, NE | 358.8 GWh |
| #105 | Clifty Creek | Madison, IN | 5.6 TWh |
| #106 | Archer Daniels Midland Decatur | Decatur, IL | 764.1 GWh |
| #107 | Kyger Creek | Cheshire, OH | 5.3 TWh |
| #108 | Archer Daniels Midland Columbus | Columbus, NE | 270.0 GWh |
| #109 | Genesis Alkali | Green River, WY | 259.5 GWh |
| #110 | Chena Power Plant | Fairbanks, AK | 143.4 GWh |
| #111 | American Crystal Sugar Hillsboro | Hillsboro, ND | 87.1 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Wygen 1.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Anticline Wind | Casper, WY | 185.6 GWh | 92.3 mi |
| Arvada | Arvada, WY | 199.0 MWh | 45.4 mi |
| Barber Creek | Gillette, WY | 273.0 MWh | 43.4 mi |
| Campbell Hill Windpower | Glenrock, WY | 288.5 GWh | 93.1 mi |
| Cedar Springs I | Douglas, WY | 725.4 GWh | 87.6 mi |
| Cedar Springs II | Douglas, WY | 611.4 GWh | 91 mi |
| Cedar Springs III | Douglas, WY | 509.4 GWh | 84.1 mi |
| Cedar Springs Wind IV | Douglas, WY | 405.9 GWh | 83.5 mi |
| Dave Johnston | Glen Rock, WY | 4.4 TWh | 102 mi |
| Dry Fork Station | Gillette, WY | 2.5 TWh | 8.1 mi |
| Glenrock | Glenrock, WY | 400.8 GWh | 90.5 mi |
| Hartzog | Wright, WY | 178.0 MWh | 32.4 mi |
| Neil Simpson Gas Turbine #2 | Gillette, WY | 28.5 GWh | 0.2 mi |
| Neil Simpson II | Gillette, WY | 660.9 GWh | 0 mi |
| Rolling Hills | Glenrock, WY | 244.8 GWh | 88.1 mi |
| Spearfish Hydro | Spearfish, SD | 19.9 GWh | 76.6 mi |
| Top of the World Windpower Project | Glenrock, WY | 478.9 GWh | 96.1 mi |
| Wygen 2 | Gillette, WY | 581.5 GWh | 0.4 mi |
| Wygen III | Gillette, WY | 670.7 GWh | 0.4 mi |
| Wyodak | Gillette, WY | 1.9 TWh | 0.3 mi |