Oak Tree Energy
42359 169th Street, Clark, SD 57225Plant Summary Information
Oak Tree Energy is ranked #37 out of 50 power plants in South Dakota in terms of total annual net electricity generation.
Oak Tree Energy generated 19.6 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Oak Tree Energy |
|---|---|
| Utility Name | RWE Clean Energy |
| Location | Clark County, SD |
| Initial Operation Date | December 2014 |
| Last Update | Dec 2025 |
| Annual Generation | 65.8 GWh |
| Annual Consumption | 243.8 k MMBtu |
| Ranked #3,898 out of 13,081 Power Plants Nationwide | |
| Ranked #979 out of 1,366 Wind Power Plants Nationwide | |
| Ranked #37 out of 50 South Dakota Power Plants | |
| Ranked #25 out of 25 South Dakota Wind Power Plants | |
| Fuel Types | Wind |
| Previous Operators |
Oak Tree Energy, LLC (2013 to 2013) Consolidated Edison Development Inc. (2014 to 2024) RWE Clean Energy (2025 to 2025) |
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Monthly Net Generation for Oak Tree Energy
Monthly Plant Fuel Consumption for Oak Tree Energy
Oak Tree Energy Details
| Summary Information | |
|---|---|
| Plant Name | Oak Tree Energy (59435) |
| Plant Address | 42359 169th Street, Clark, SD 57225 |
| Utility | RWE Clean Energy (67192) |
| Latitude, Longitude | 44.93333, -97.74139 |
| Generation Dates on File | Jan 2015 to Dec 2025 |
| Initial Operation Date | December 2014 |
| Annual Generation | 65.8 GWh |
| Fuel Types | Wind |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | Yes |
| FERC Small Power Producer Docket Number | 10-449 |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Non-Regulated |
| NERC Region | MRO |
| Balancing Authority | Southwest Power Pool (SWPP) |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | |
| Ash Impoundment | |
| Transmission / Distribution Owner | NorthWestern Energy - (SD) (13809) SD |
| Grid Voltage | 69.00 kV |
| Energy Storage | No |
Generator OTE14 Details Operating December 2014
| Technology | Onshore Wind Turbine |
|---|---|
| Prime Mover | Wind Turbine, Onshore |
| Ownership | Single Owner |
| Nameplate Capacity | 19.5 MW |
| Summer Capacity | 19.5 MW |
| Winter Capacity | 19.5 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | December 2014 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Wind |
| Turbines/Hydrokinetic Buoys | 11 |
| Turbine Details | |
| Number Of Turbines | 11 |
|---|---|
| Predominant Turbine Manufacturer | GE |
| Predominant Turbine Model Number | 1.85-87 |
| Design Wind Speed | 19 MPH |
| Wind Quality Class | 2 - Medium Wind |
| Turbine Hub Height Feet | 262.4 |
Oak Tree Energy Plant Owners
| Owner Name | Address | Ownership | We couldn't locate any owners for this plant |
|---|
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Power plants with a similar annual net generation from Wind.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #969 | New England Wind LLC | Florida, MA | 73.0 GWh |
| #970 | Heritage Garden Wind Farm I LLC | Garden, MI | 71.0 GWh |
| #971 | Big Blue | Blue Earth, MN | 70.6 GWh |
| #972 | 85 A | Tehachapi, CA | 70.6 GWh |
| #973 | Busch Ranch Wind Energy | Walsenburg, CO | 69.4 GWh |
| #974 | High Mesa | King Hill, ID | 68.4 GWh |
| #975 | Bull Hill Wind Project | Eastbrook, ME | 66.5 GWh |
| #976 | Gordon Butte Wind LLC | Martinsdale, MT | 66.5 GWh |
| #977 | Ainsworth Wind | Ainsworth, NE | 66.4 GWh |
| #978 | Mojave 16/17/18 | Mojave, CA | 66.3 GWh |
| #980 | Happy Jack Windpower Project | Cheyenne, WY | 64.1 GWh |
| #981 | Silver Maple | Clifton, ME | 63.9 GWh |
| #982 | Power County Wind Park North | American Falls, ID | 63.9 GWh |
| #983 | Steel Winds Wind Farm | Lackawanna, NY | 62.2 GWh |
| #984 | Lempster Wind LLC | Lempster, NH | 61.8 GWh |
| #985 | Winnebago Wind Power Project | Forest City, IA | 61.3 GWh |
| #986 | Combine Hills I | Milton-Freewater, OR | 61.2 GWh |
| #987 | Payne's Ferry | Hagerman, ID | 59.2 GWh |
| #988 | Camp Reed | Glenns Ferry, ID | 59.0 GWh |
| #989 | Wind Park Bear Creek | Bear Creek, PA | 58.8 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Oak Tree Energy.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Aberdeen CT | Aberdeen, SD | 56.2 GWh | 50.2 mi |
| Astoria Station | Astoria, SD | 530.4 GWh | 63.1 mi |
| Big Stone | Big Stone City, SD | 1.8 TWh | 65.3 mi |
| Bob Glanzer Generating Station | Huron, SD | 104.1 GWh | 44.3 mi |
| Buffalo Ridge II LLC | Elkton, SD | 493.7 GWh | 61.5 mi |
| Coyote Ridge | White, SD | 380.0 GWh | 67.4 mi |
| Crocker Wind Farm | Conde, SD | 774.8 GWh | 9.2 mi |
| Crowned Ridge Wind Energy Center | Watertown, SD | 787.5 GWh | 46.7 mi |
| Crowned Ridge Wind II Energy Center | Watertown, SD | 847.4 GWh | 40 mi |
| Dakota Range III Wind Project | Summit, SD | 594.1 GWh | 38.7 mi |
| Dakota Range Wind | Marvin, SD | 983.7 GWh | 40.4 mi |
| Day County Wind LLC | Conde, SD | 430.4 GWh | 21 mi |
| Deuel Harvest Wind Energy LLC | Clear Lake, SD | 1.0 TWh | 59.3 mi |
| Groton Generation Station | Groton, SD | 220.7 GWh | 35 mi |
| Lake Preston | Lake Preston, SD | 135.0 MWh | 43.1 mi |
| RE Solar, LLC | Redfield, SD | 11.9 GWh | 37.2 mi |
| Sweetland Wind Farm, LLC | St. Lawrence, SD | 830.5 GWh | 64.3 mi |
| Tatanka Ridge | Toronto, SD | 533.3 GWh | 61.8 mi |
| Valley Queen Cheese | Milbank, SD | 20.0 MWh | 57.4 mi |
| Watertown Power Plant | Watertown, SD | 1.7 GWh | 31.1 mi |