Twin Buttes II Wind
9938 County Road 12, Lamar, CO 81052Plant Summary Information
Twin Buttes II Wind is ranked #44 out of 286 power plants in Colorado in terms of total annual net electricity generation.
Twin Buttes II Wind generated 78.2 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Twin Buttes II Wind |
|---|---|
| Utility Name | Avangrid Power LLC |
| Location | Prowers County, CO |
| Initial Operation Date | December 2017 |
| Last Update | Dec 2025 |
| Annual Generation | 298.0 GWh |
| Annual Consumption | 1.1 M MMBtu |
| Ranked #1,999 out of 12,613 Power Plants Nationwide | |
| Ranked #599 out of 1,374 Wind Power Plants Nationwide | |
| Ranked #44 out of 286 Colorado Power Plants | |
| Ranked #22 out of 34 Colorado Wind Power Plants | |
| Fuel Types | Wind |
| Previous Operator |
Avangrid Renewables LLC (2016 to 2023) Avangrid Power LLC (2024 to 2024) |
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Monthly Net Generation for Twin Buttes II Wind
Monthly Plant Fuel Consumption for Twin Buttes II Wind
Twin Buttes II Wind Details
| Summary Information | |
|---|---|
| Plant Name | Twin Buttes II Wind (61040) |
| Plant Address | 9938 County Road 12, Lamar, CO 81052 |
| Utility | Avangrid Power LLC (15399) |
| Latitude, Longitude | 37.773, -102.546 |
| Generation Dates on File | Dec 2017 to Dec 2025 |
| Initial Operation Date | December 2017 |
| Annual Generation | 298.0 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 | EG17-93-000 |
| Regulatory Information | |
|---|---|
| Regulatory Status | Non-Regulated |
| NERC Region | WECC |
| Balancing Authority | Western Area Power Administration - Rocky Mountain Region (WACM) |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Great River Energy (7570) |
| Grid Voltage | 230.00 kV |
| Energy Storage | No |
Generator WT1 Details Operating December 2017
| Technology | Onshore Wind Turbine |
|---|---|
| Prime Mover | Wind Turbine, Onshore |
| Ownership | Single Owner |
| Nameplate Capacity | 75 MW |
| Summer Capacity | 75 MW |
| Winter Capacity | 75 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | December 2017 |
|---|---|
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Wind |
| Carbon Capture Technology | No |
| Turbines/Hydrokinetic Buoys | 36 |
| Multiple Fuels | No |
| Turbine Details | |
| Number Of Turbines | 36 |
|---|---|
| Predominant Turbine Manufacturer | Gamesa |
| Predominant Turbine Model Number | G114-2.0 |
| Design Wind Speed | 19.7 MPH |
| Wind Quality Class | 2 - Medium Wind |
| Turbine Hub Height Feet | 262 |
Twin Buttes II Wind 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 |
|---|---|---|---|
| #589 | Crane Creek Wind Energy Center | Riceville, IA | 302.0 GWh |
| #590 | Mustang Hills LLC | Mojave, CA | 301.5 GWh |
| #591 | Turkey Track Wind Energy LLC | Blackwell, TX | 300.7 GWh |
| #592 | Tuscola Wind II LLC | Reese, MI | 300.1 GWh |
| #593 | Deerfield Wind Energy 2 | Port Hope, MI | 299.8 GWh |
| #594 | Northwest Ohio Wind | Haviland, OH | 299.3 GWh |
| #595 | Ball Hill Wind Energy, LLC | Forestville, NY | 299.3 GWh |
| #596 | GSG LLC | West Brooklyn, IL | 298.7 GWh |
| #597 | Big Level Wind | Hector Township, PA | 298.3 GWh |
| #598 | Prairie Star Wind Farm | Grand Meadow, MN | 298.2 GWh |
| #600 | Penascal Wind Power LLC | Sarita, TX | 297.6 GWh |
| #601 | Number Three Wind Project | Lowville, NY | 295.0 GWh |
| #602 | Elk River Wind | Beaumont, KS | 294.8 GWh |
| #603 | New Creek Wind | New Creek, WV | 292.7 GWh |
| #604 | Prairie Switch Wind LLC | El Campo, TX | 292.1 GWh |
| #605 | Green Pastures Wind II | Seymour, TX | 291.1 GWh |
| #606 | Alta Wind Energy Center V | Mojave, CA | 288.4 GWh |
| #607 | New Harvest Wind Project LLC | Schleswig, IA | 287.5 GWh |
| #608 | Penascal II Wind Project LLC | Sarita, TX | 286.3 GWh |
| #609 | Campbell County Wind Farm | Pollock, SD | 286.1 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Twin Buttes II Wind.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| BH CSG 3 | La Junta, CO | 4.1 GWh | 58 mi |
| Bonanza BioEnergy LLC | Garden City, KS | 6.6 GWh | 94.1 mi |
| Buffalo Dunes Wind Project | Satanta, KS | 785.2 GWh | 81 mi |
| Central Plains Wind Farm | Marienthal, KS | 102.2 GWh | 90.6 mi |
| Cheyenne Ridge Wind Farm | Cheyenne Wells, CO | 1.6 TWh | 87.8 mi |
| Colorado Green Holdings LLC | Lamar, CO | 594.9 GWh | 6.4 mi |
| Crossing Trails Wind Power Project LLC. | Seibert, CO | 394.2 GWh | 89.3 mi |
| Garden City | Garden City, KS | 68.2 GWh | 91 mi |
| Holcomb | Holcomb, KS | 1.8 TWh | 86.5 mi |
| Holly | Holly, CO | 3.0 MWh | 31.4 mi |
| Hugoton 2 | Hugoton, KS | 13.7 MWh | 78.4 mi |
| Jameson Energy Center | Garden City, KS | 2.6 GWh | 94.4 mi |
| Johnson | Johnson, KS | 31.0 MWh | 45.7 mi |
| Johnson Corner Solar 1 | Johnson City, KS | 38.4 GWh | 43.7 mi |
| Lamar Plant | Lamar, CO | 12.6 GWh | 18 mi |
| NSE Camber BH CSG 2, LLC | Ordway, CO | 3.9 GWh | 72 mi |
| Rubart | Ulysses, KS | 40.9 GWh | 80.5 mi |
| Springfield Wind | Springfield, CO | 5.3 GWh | 39.5 mi |
| Twin Buttes Wind Project | Lamar, CO | 233.0 GWh | 18.6 mi |
| Vilas Solar Array | Springfield, CO | 224.0 MWh | 27.2 mi |