Judith Gap Wind Energy Center
1030 US Highway 191 N, Harlowton, MT 59036Plant Summary Information
Judith Gap Wind Energy Center is ranked #17 out of 71 power plants in Montana in terms of total annual net electricity generation.
Judith Gap Wind Energy Center generated 72.0 GWh during the 3-month period between July 2025 to October 2025.
| Plant Name | Judith Gap Wind Energy Center |
|---|---|
| Utility Name | Invenergy Services LLC |
| Location | Wheatland County, MT |
| Initial Operation Date | December 2005 |
| Last Update | Oct 2025 |
| Annual Generation | 408.7 GWh |
| Annual Consumption | 1.5 M MMBtu |
| Ranked #1,555 out of 12,553 Power Plants Nationwide | |
| Ranked #443 out of 1,366 Wind Power Plants Nationwide | |
| Ranked #17 out of 71 Montana Power Plants | |
| Ranked #5 out of 23 Montana Wind Power Plants | |
| Fuel Types | Wind |
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Monthly Net Generation for Judith Gap Wind Energy Center
Judith Gap Wind Energy Center Details
| Summary Information | |
|---|---|
| Plant Name | Judith Gap Wind Energy Center (56377) |
| Plant Address | 1030 US Highway 191 N, Harlowton, MT 59036 |
| Utility | Invenergy Services LLC (49893) |
| Latitude, Longitude | 46.5725, -109.7531 |
| Generation Dates on File | Jan 2006 to Oct 2025 |
| Initial Operation Date | December 2005 |
| Annual Generation | 408.7 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 | Non-Regulated |
| NERC Region | WECC |
| Balancing Authority | NorthWestern Energy (NWMT) (NWMT) |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | |
| Ash Impoundment | No |
| Transmission / Distribution Owner | NorthWestern Energy LLC - (MT) (12825) MT |
| Grid Voltage | 230.00 kV |
| Energy Storage | No |
Generator 1 Details Operating December 2005
| Technology | Onshore Wind Turbine |
|---|---|
| Prime Mover | Wind Turbine, Onshore |
| Ownership | Single Owner |
| Nameplate Capacity | 135 MW |
| Summer Capacity | 135 MW |
| Winter Capacity | 135 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | December 2005 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Wind |
| Turbines/Hydrokinetic Buoys | 90 |
| Multiple Fuels | No |
| Turbine Details | |
| Number Of Turbines | 90 |
|---|---|
| Predominant Turbine Manufacturer | GE |
| Predominant Turbine Model Number | 1.5 SLE |
| Design Wind Speed | 19 MPH |
| Wind Quality Class | 2 - Medium Wind |
| Turbine Hub Height Feet | 263 |
Judith Gap Wind Energy Center 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 |
|---|---|---|---|
| #433 | Heartland Divide Wind Project, LLC | Melville, IA | 418.2 GWh |
| #434 | Midway Wind, LLC | Taft, TX | 418.0 GWh |
| #435 | NedPower Mount Storm | Mount Storm, WV | 417.0 GWh |
| #436 | Leaning Juniper Wind Power II | Arlington, OR | 416.6 GWh |
| #437 | Callahan Divide Wind Energy Center | Tusocola, TX | 414.3 GWh |
| #438 | Smoky Hills Wind Project Phase II | Lincoln, KS | 414.3 GWh |
| #439 | Senate Wind LLC | Bryson, TX | 413.7 GWh |
| #440 | Cimarron Wind Energy LLC | Cimmaron, KS | 413.6 GWh |
| #441 | Morning Light Wind Farm | Adair, IA | 413.3 GWh |
| #442 | Glass Sands Wind Facility | Sulphur, OK | 409.3 GWh |
| #444 | Camp Grove Wind Farm | Wyoming, IL | 406.4 GWh |
| #445 | Voyager Wind I | Mojave, CA | 406.4 GWh |
| #446 | Los Vientos Windpower IV | Rio Grande City, TX | 406.4 GWh |
| #447 | Post Oak Wind LLC | Abilene, TX | 406.3 GWh |
| #448 | Post Rock Wind Power Project, LLC | Ellsworth, KS | 406.0 GWh |
| #449 | Los Vientos Wind 1A | Sebastian, TX | 403.1 GWh |
| #450 | Rattlesnake Flat | Ritzville, WA | 402.5 GWh |
| #451 | Panther Creek Wind Farm II | Big Spring, TX | 402.1 GWh |
| #452 | Glenrock | Glenrock, WY | 401.0 GWh |
| #453 | Milford Wind Corridor I LLC | Milford, UT | 400.0 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Judith Gap Wind Energy Center.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Beaver Creek Wind Facility | Big Timber, MT | 69.9 GWh | 44.3 mi |
| Big Timber Wind Farm | Big Timber, MT | 67.0 GWh | 49.8 mi |
| Broadwater Power Project | Toston, MT | 47.4 GWh | 84.9 mi |
| GCC Trident Solar Project | Three Forks, MT | 3.7 GWh | 92.8 mi |
| Gordon Butte Wind LLC | Martinsdale, MT | 72.8 GWh | 29.9 mi |
| Magpie Solar, LLC | Lavina, MT | 5.0 GWh | 43.4 mi |
| Morony | Great Falls, MT | 255.0 GWh | 93 mi |
| MTSUN | Billings, MT | 153.4 GWh | 74 mi |
| Musselshell Wind Project | Shawmut, MT | 23.1 GWh | 24.2 mi |
| Musselshell Wind Project Two LLC | Shawmut, MT | 26.5 GWh | 24.2 mi |
| Mystic | Fishtail, MT | 53.7 GWh | 93.1 mi |
| River Bend Solar, LLC (MT) | Reed Point, MT | 3.1 GWh | 60.7 mi |
| South Peak Wind | Geyser, MT | 240.7 GWh | 66.3 mi |
| Spion Kop Wind Farm | Geyser, MT | 110.8 GWh | 67.2 mi |
| Stillwater Wind, LLC | Reed Point, MT | 258.3 GWh | 50.6 mi |
| Two Dot Wind Broadview East LLC | Broadview, MT | 4.2 GWh | 55.6 mi |
| Two Dot Wind Farm | Two Dot, MT | 34.8 GWh | 18 mi |
| Western Sugar Cooperative - Billings | Billings, MT | 5.3 GWh | 81.9 mi |
| Yellowstone County Generating Station | Laurel, MT | 345.2 GWh | 79 mi |
| Yellowstone Energy LP | Billings, MT | 458.2 GWh | 82.3 mi |