Spion Kop Wind Farm
7735 South Peak Rd, Geyser, MT 59701Plant Summary Information
Spion Kop Wind Farm is ranked #40 out of 71 power plants in Montana in terms of total annual net electricity generation.
Spion Kop Wind Farm generated 33.5 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Spion Kop Wind Farm |
|---|---|
| Utility Name | NorthWestern Energy (MT wind/thermal) |
| Location | Judith Basin County, MT |
| Initial Operation Date | December 2012 |
| Last Update | Dec 2025 |
| Annual Generation | 97.7 GWh |
| Annual Consumption | 382.1 k MMBtu |
| Ranked #3,586 out of 13,301 Power Plants Nationwide | |
| Ranked #924 out of 1,377 Wind Power Plants Nationwide | |
| Ranked #40 out of 71 Montana Power Plants | |
| Ranked #13 out of 23 Montana Wind Power Plants | |
| Fuel Types | Wind |
| Previous Operator |
NorthWestern Energy (2013 to 2020) NorthWestern Energy (MT wind/thermal) (2021 to 2025) |
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Monthly Net Generation for Spion Kop Wind Farm
Monthly Plant Fuel Consumption for Spion Kop Wind Farm
Spion Kop Wind Farm Details
| Summary Information | |
|---|---|
| Plant Name | Spion Kop Wind Farm (58218) |
| Plant Address | 7735 South Peak Rd, Geyser, MT 59701 |
| Utility | NorthWestern Energy (MT wind/thermal) (56815) |
| Latitude, Longitude | 47.33333, -110.63917 |
| Generation Dates on File | Jan 2013 to Dec 2025 |
| Initial Operation Date | December 2012 |
| Annual Generation | 97.7 GWh |
| Fuel Types | Wind |
| 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 | NorthWestern Energy (NWMT) (NWMT) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | |
| Ash Impoundment | No |
| Transmission / Distribution Owner | NorthWestern Energy LLC - (MT) (12825) MT |
| Grid Voltage | 100.00 kV |
| Energy Storage | No |
Generator SKW25 Details Operating December 2012
| Technology | Onshore Wind Turbine |
|---|---|
| Prime Mover | Wind Turbine, Onshore |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | NA |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | NA |
| Nameplate Capacity | 40 MW |
| Summer Capacity | 40 MW |
| Winter Capacity | 40 MW |
| Minimum Load | 1.5 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | December 2012 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Wind |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Turbines/Hydrokinetic Buoys | 25 |
| Multiple Fuels | No |
| Turbine Details | |
| Number Of Turbines | 25 |
|---|---|
| Predominant Turbine Manufacturer | GE |
| Predominant Turbine Model Number | 1.6-82.5 |
| Design Wind Speed | 19 MPH |
| Wind Quality Class | 2 - Medium Wind |
| Turbine Hub Height Feet | 262 |
Spion Kop Wind Farm Plant Owners
| Owner Name | Address | Ownership | We couldn't locate any owners for this plant |
|---|
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Wind.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #914 | Spring Canyon Expansion Wind Energy Ctr | Peetz, CO | 103.6 GWh |
| #915 | Meadow Lake Wind Farm IV | Lafayette, IN | 103.5 GWh |
| #916 | Roth Rock Wind Farm LLC | Oakland, MD | 102.8 GWh |
| #917 | Poseidon Wind, LLC | Herber, AZ | 102.5 GWh |
| #918 | Oak Glen Wind Farm | Blooming Prairie, MN | 101.9 GWh |
| #919 | Pakini Nui Wind Farm | Naalehu, HI | 101.8 GWh |
| #920 | Moraine II Wind LLC | Woodstock, MN | 101.5 GWh |
| #921 | Waymart Wind | Forest City, PA | 100.7 GWh |
| #922 | Flying Cloud Power Partners LLC | Lake Park, IA | 98.1 GWh |
| #923 | Central Plains Wind Farm | Marienthal, KS | 98.0 GWh |
| #925 | Buffalo Ridge I LLC | Elkton, SD | 97.3 GWh |
| #926 | Buena Vista Energy LLC | Byron, CA | 96.1 GWh |
| #927 | Patton Wind Farm | Patton, PA | 95.8 GWh |
| #928 | FPL Energy Montezuma Winds LLC | Birds Landing, CA | 95.5 GWh |
| #929 | Deerfield Wind LLC | Searsburg, VT | 95.4 GWh |
| #930 | Dry Lake Wind LLC | Heber, AZ | 95.2 GWh |
| #931 | Prairie Hill Wind Project | Mart, TX | 94.0 GWh |
| #932 | Munnsville Wind Farm LLC | Madison, NY | 93.4 GWh |
| #933 | 85 B | Tehachapi, CA | 93.2 GWh |
| #934 | Lookout Windpower LLC | Berlin, PA | 91.1 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Spion Kop Wind Farm.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Black Eagle | Great Falls, MT | 110.3 GWh | 31.9 mi |
| Black Eagle Solar, LLC | Black Eagle, MT | 4.2 GWh | 32.3 mi |
| Canyon Ferry | Helena, MT | 273.1 GWh | 69.8 mi |
| Cochrane | Great Falls, MT | 215.3 GWh | 29.6 mi |
| Fairfield Wind | Fairfield, MT | 27.7 GWh | 67.5 mi |
| Gordon Butte Wind LLC | Martinsdale, MT | 66.5 GWh | 65.2 mi |
| Great Divide Solar, LLC | Canyon Creek, MT | 5.4 GWh | 84.1 mi |
| Green Meadow Solar, LLC | Helena, MT | 4.6 GWh | 80.3 mi |
| Greenfield Wind - MT | Fairfield, MT | 78.6 GWh | 67.4 mi |
| Hauser | Helena, MT | 128.4 GWh | 70.6 mi |
| Holter | Wolf Creek, MT | 247.5 GWh | 68.4 mi |
| Horseshoe Bend Wind Park | Great Falls, MT | 21.2 GWh | 39.1 mi |
| Judith Gap Wind Energy Center | Harlowton, MT | 413.7 GWh | 67.2 mi |
| Morony | Great Falls, MT | 214.7 GWh | 26.1 mi |
| Rainbow (MT) | Great Falls, MT | 298.6 GWh | 29.9 mi |
| Ryan | Great Falls, MT | 377.3 GWh | 27.9 mi |
| South Peak Wind | Geyser, MT | 268.1 GWh | 1.2 mi |
| Tiber Dam Hydroelectric Plant | Chester, MT | 31.2 GWh | 71.3 mi |
| Turnbull Hydro | Fairfield, MT | 19.0 GWh | 70.6 mi |
| Two Dot Wind Farm | Two Dot, MT | 28.8 GWh | 66.4 mi |