Buffalo Ridge I LLC
21006 486th Avenue, Elkton, SD 57026Plant Summary Information
Buffalo Ridge I LLC is ranked #32 out of 49 power plants in South Dakota in terms of total annual net electricity generation.
Buffalo Ridge I LLC generated 19.8 GWh during the 3-month period between July 2025 to October 2025.
| Plant Name | Buffalo Ridge I LLC |
|---|---|
| Utility Name | Avangrid Power LLC |
| Location | Brookings County, SD |
| Initial Operation Date | April 2009 |
| Last Update | Oct 2025 |
| Annual Generation | 101.7 GWh |
| Annual Consumption | 369.4 k MMBtu |
| Ranked #3,389 out of 12,553 Power Plants Nationwide | |
| Ranked #891 out of 1,366 Wind Power Plants Nationwide | |
| Ranked #32 out of 49 South Dakota Power Plants | |
| Ranked #20 out of 25 South Dakota Wind Power Plants | |
| Fuel Types | Wind |
| Previous Operators |
Iberdrola Renewables Inc (2013 to 2014) Avangrid Renewables Inc (2015 to 2015) Avangrid Renewables LLC (2016 to 2023) Avangrid Power LLC (2024 to 2024) |
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Monthly Net Generation for Buffalo Ridge I LLC
Buffalo Ridge I LLC Details
| Summary Information | |
|---|---|
| Plant Name | Buffalo Ridge I LLC (56792) |
| Plant Address | 21006 486th Avenue, Elkton, SD 57026 |
| Utility | Avangrid Power LLC (15399) |
| Latitude, Longitude | 44.4328, -96.4779 |
| Generation Dates on File | Apr 2009 to Oct 2025 |
| Initial Operation Date | April 2009 |
| Annual Generation | 101.7 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 | Yes |
| FERC Exempt Wholesale Generator Docket Number | EG09-15-000 |
| Regulatory Information | |
|---|---|
| Regulatory Status | Non-Regulated |
| NERC Region | MRO |
| Balancing Authority | Midcontinent Independent Transmission System Operator, Inc.. (MISO) |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | |
| Ash Impoundment | |
| Transmission / Distribution Owner | Northern States Power Co - Minnesota (13781) SD |
| Grid Voltage | 115.00 kV |
| Energy Storage | No |
Generator 1 Details Operating April 2009
| Technology | Onshore Wind Turbine |
|---|---|
| Prime Mover | Wind Turbine, Onshore |
| Ownership | Single Owner |
| Nameplate Capacity | 50.4 MW |
| Summer Capacity | 50.4 MW |
| Winter Capacity | 50.4 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | April 2009 |
|---|---|
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Wind |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Turbines/Hydrokinetic Buoys | 24 |
| Multiple Fuels | No |
| Turbine Details | |
| Number Of Turbines | 24 |
|---|---|
| Predominant Turbine Manufacturer | Suzlon |
| Predominant Turbine Model Number | S88-2100 |
| Design Wind Speed | 18.4 MPH |
| Wind Quality Class | 2 - Medium Wind |
| Turbine Hub Height Feet | 259 |
Buffalo Ridge I LLC Plant Owners
| Owner Name | Address | Ownership | We couldn't locate any owners for this plant |
|---|
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|---|---|---|---|
| #881 | Sterling I Wind Farm | Tatum, NM | 109.5 GWh |
| #882 | Howard Wind Farm | Hornell, NY | 109.1 GWh |
| #883 | Minden Wind Park | Minden City, MI | 109.0 GWh |
| #884 | Mountaineer Wind Energy Center | Thomas, WV | 107.3 GWh |
| #885 | Great Plains Windpark LLC | Spearman, TX | 107.1 GWh |
| #886 | Big Turtle Wind Farm 2 | Harbor Beach, MI | 106.9 GWh |
| #887 | Poseidon Wind, LLC | Herber, AZ | 106.9 GWh |
| #888 | Roth Rock Wind Farm LLC | Oakland, MD | 105.5 GWh |
| #889 | Crofton Bluffs Wind LLC | Bloomfield, NE | 103.8 GWh |
| #890 | Central Plains Wind Farm | Marienthal, KS | 102.2 GWh |
| #892 | Whirlwind Energy Center | Floydada, TX | 101.5 GWh |
| #893 | Silver Sage Windpower | Cheyenne, WY | 101.0 GWh |
| #894 | Big Horn Wind II | Bickleton, WA | 100.7 GWh |
| #895 | Panther Creek Wind Project | Pittsfield, IL | 99.6 GWh |
| #896 | Ringer Hill Wind Farm, LLC | Salisbury, PA | 99.5 GWh |
| #897 | 85 B | Tehachapi, CA | 97.6 GWh |
| #898 | Na Pua Makani Wind Project | Kahuku, HI | 96.9 GWh |
| #899 | Cabazon Wind Partners | Cabazon, CA | 96.7 GWh |
| #900 | Linden Wind Energy Project | Goldendale, WA | 96.5 GWh |
| #901 | South Chestnut LLC | Farmington, PA | 95.6 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Buffalo Ridge I LLC.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Astoria Station | Astoria, SD | 469.8 GWh | 10.6 mi |
| Autumn Hills LLC | Hendricks, MN | 3.7 GWh | 2.6 mi |
| Blazing Star 2 Wind Farm | Hendricks, MN | 845.0 GWh | 6.2 mi |
| Blazing Star Wind Farm 1 | Hendricks, MN | 850.7 GWh | 9.4 mi |
| Buffalo Ridge II LLC | Elkton, SD | 467.5 GWh | 9.9 mi |
| Buffalo Ridge Wind | Lake Benton, MN | 436.4 GWh | 8.9 mi |
| Coyote Ridge | White, SD | 384.4 GWh | 3.8 mi |
| Deer Creek Station | White, SD | 1.1 TWh | 3.7 mi |
| Jack River LLC | Hendricks, MN | 3.7 GWh | 1.9 mi |
| Jessica Mills LLC | Hendricks, MN | 3.7 GWh | 2.4 mi |
| Julia Hills LLC | Hendricks, MN | 3.7 GWh | 1.7 mi |
| Lake Benton I | Lake Benton, MN | 243.8 GWh | 11 mi |
| Lakota Ridge LLC | Hendricks, MN | 16.7 GWh | 3.4 mi |
| Lincoln Heights I | Lake Benton, MN | 10.0 GWh | 10.3 mi |
| Lincoln Heights II | Lake Benton, MN | 6.6 GWh | 10.9 mi |
| MinnDakota Wind LLC | Ivanhoe, MN | 282.9 GWh | 13.2 mi |
| Shaokatan Hills LLC | Hendricks, MN | 12.1 GWh | 2.3 mi |
| Sun River LLC | Hendricks, MN | 3.7 GWh | 2.1 mi |
| Tatanka Ridge | Toronto, SD | 594.5 GWh | 12 mi |
| Tsar Nicholas LLC | Hendricks, MN | 3.7 GWh | 2.3 mi |