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 25.8 GWh during the 3-month period between November 2025 to February 2026.
| Plant Name | Buffalo Ridge I LLC |
|---|---|
| Utility Name | Avangrid Power LLC |
| Location | Brookings County, SD |
| Initial Operation Date | April 2009 |
| Last Update | Feb 2026 |
| Annual Generation | 96.3 GWh |
| Annual Consumption | 366.9 k MMBtu |
| Ranked #3,493 out of 12,637 Power Plants Nationwide | |
| Ranked #915 out of 1,376 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
Monthly Plant Fuel Consumption 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 Feb 2026 |
| Initial Operation Date | April 2009 |
| Annual Generation | 96.3 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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Power plants with a similar annual net generation from Wind.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #905 | Roth Rock Wind Farm LLC | Oakland, MD | 102.1 GWh |
| #906 | Waymart Wind | Forest City, PA | 101.8 GWh |
| #907 | Whirlwind Energy Center | Floydada, TX | 101.5 GWh |
| #908 | Silver Sage Windpower | Cheyenne, WY | 101.0 GWh |
| #909 | Na Pua Makani Wind Project | Kahuku, HI | 100.7 GWh |
| #910 | Kawailoa Wind | Haleiwa, HI | 100.2 GWh |
| #911 | Dry Lake Wind LLC | Heber, AZ | 98.5 GWh |
| #912 | 85 B | Tehachapi, CA | 97.6 GWh |
| #913 | Cabazon Wind Partners | Cabazon, CA | 96.7 GWh |
| #914 | Linden Wind Energy Project | Goldendale, WA | 96.5 GWh |
| #916 | South Chestnut LLC | Farmington, PA | 95.6 GWh |
| #917 | Langdon Wind Energy Center | Langdon, ND | 94.9 GWh |
| #918 | Champion Wind Farm LLC | Roscoe, TX | 94.9 GWh |
| #919 | Llano Estacado Wind Ranch | White Deer, TX | 94.8 GWh |
| #920 | Deerfield Wind LLC | Searsburg, VT | 94.6 GWh |
| #921 | Prairie Hill Wind Project | Mart, TX | 94.0 GWh |
| #922 | G McNeilus Wind Farm Dodge Center | Dodge Center, MN | 94.0 GWh |
| #923 | AM Wind Repower LLC | Whitewater, CA | 92.9 GWh |
| #924 | Chestnut Flats Wind Farm | Altoona, PA | 90.7 GWh |
| #925 | Pontotoc Wind | Roff, OK | 90.2 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 | 477.9 GWh | 10.6 mi |
| Autumn Hills LLC | Hendricks, MN | 3.7 GWh | 2.6 mi |
| Blazing Star 2 Wind Farm | Hendricks, MN | 842.7 GWh | 6.2 mi |
| Blazing Star Wind Farm 1 | Hendricks, MN | 847.3 GWh | 9.4 mi |
| Buffalo Ridge II LLC | Elkton, SD | 442.1 GWh | 9.9 mi |
| Buffalo Ridge Wind | Lake Benton, MN | 433.8 GWh | 8.9 mi |
| Coyote Ridge | White, SD | 382.9 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 | 561.3 GWh | 12 mi |
| Tsar Nicholas LLC | Hendricks, MN | 3.7 GWh | 2.3 mi |