South Plains II
County Rd. 129, Lockney, TX 79241Plant Summary Information
South Plains II is ranked #24 out of 227 wind farms in Texas in terms of total annual net electricity generation.
South Plains II generated 302.8 GWh during the 3-month period between November 2025 to February 2026.
| Plant Name | South Plains II |
|---|---|
| Utility Name | Onward Energy |
| Location | Floyd County, TX |
| Initial Operation Date | June 2016 |
| Last Update | Feb 2026 |
| Annual Generation | 1.0 TWh |
| Annual Consumption | 3.8 M MMBtu |
| Ranked #725 out of 12,637 Power Plants Nationwide | |
| Ranked #57 out of 1,376 Wind Power Plants Nationwide | |
| Ranked #118 out of 820 Texas Power Plants | |
| Ranked #24 out of 227 Texas Wind Power Plants | |
| Fuel Types | Wind |
| Previous Operators |
South Plains Wind Energy II, LLC (2015 to 2015) Novatus Energy (2016 to 2019) Onward Energy (2020 to 2024) |
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Monthly Net Generation for South Plains II
Monthly Plant Fuel Consumption for South Plains II
South Plains II Details
| Summary Information | |
|---|---|
| Plant Name | South Plains II (60087) |
| Plant Address | County Rd. 129, Lockney, TX 79241 |
| Utility | Onward Energy (60453) |
| Latitude, Longitude | 34.19696, -101.38149 |
| Generation Dates on File | May 2016 to Feb 2026 |
| Initial Operation Date | June 2016 |
| Annual Generation | 1.0 TWh |
| 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 | 16-52 |
| Regulatory Information | |
|---|---|
| Regulatory Status | Non-Regulated |
| NERC Region | TRE |
| Balancing Authority | Electric Reliability Council of Texas, Inc. (ERCO) |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Sharyland Utilities LP (17008) TX |
| Grid Voltage | 345.00 kV |
| Energy Storage | No |
Generator SPII Details Operating June 2016
| Technology | Onshore Wind Turbine |
|---|---|
| Prime Mover | Wind Turbine, Onshore |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | SPLAIN2_RN |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | SPLAIN2_RN |
| Nameplate Capacity | 300 MW |
| Summer Capacity | 300 MW |
| Winter Capacity | 300 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | June 2016 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Wind |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Turbines/Hydrokinetic Buoys | 91 |
| Multiple Fuels | No |
| Turbine Details | |
| Number Of Turbines | 91 |
|---|---|
| Predominant Turbine Manufacturer | Vestas |
| Predominant Turbine Model Number | V117-3.3 |
| Design Wind Speed | 22.4 MPH |
| Wind Quality Class | 1 - High Wind |
| Turbine Hub Height Feet | 262 |
South Plains II 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 |
|---|---|---|---|
| #47 | Bronco Plains Wind, LLC | Flagler, CO | 1.1 TWh |
| #48 | Canyon Wind Project, LLC | Scurry, TX | 1.1 TWh |
| #49 | Thunderhead Wind Energy LLC | Boone, NE | 1.1 TWh |
| #50 | 25 Mile Creek | Gage, OK | 1.1 TWh |
| #51 | Clines Corners Wind Farm LLC | Encino, NM | 1.1 TWh |
| #52 | Bethel Wind Farm LLC | Dimmitt, TX | 1.1 TWh |
| #53 | Upland Prairie | Spencer, IA | 1.1 TWh |
| #54 | Deuel Harvest Wind Energy LLC | Clear Lake, SD | 1.1 TWh |
| #55 | Ida Grove Wind | Ida Grove, IA | 1.1 TWh |
| #56 | Western Plains Wind Farm | Spearville, KS | 1.1 TWh |
| #58 | Limestone Wind Project | Coolidge, TX | 1.0 TWh |
| #59 | El Cabo Wind | Encino, NM | 1.0 TWh |
| #60 | Soldier Creek Wind | Corning, KS | 1.0 TWh |
| #61 | Priddy Wind Project | Goldthwaite, TX | 1.0 TWh |
| #62 | Radfords Run Wind Farm | Maroa, IL | 1.0 TWh |
| #63 | Solomon Forks Wind Project, LLC | Colby, KS | 1.0 TWh |
| #64 | Triple H Wind Project | Highmore, SD | 1.0 TWh |
| #65 | Rock Creek Wind Project | Tarkio, MO | 1.0 TWh |
| #66 | Lincoln Land Wind | TBD, IL | 996.6 GWh |
| #67 | Caddo Wind | Apache, OK | 991.0 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding South Plains II.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Antelope Station | Abernathy, TX | 267.1 GWh | 35 mi |
| BESSP1, LLC. | Shallowater, TX | 9.5 GWh | 48.4 mi |
| Briscoe Wind Farm | Silverton, TX | 451.1 GWh | 18.2 mi |
| Cotton Plains Wind Farm | Floydada, TX | 187.5 GWh | 14.6 mi |
| Elk Station | Abernathy, TX | 1.3 TWh | 35 mi |
| Hale Community Wind Farm | Plainview, TX | 2.0 TWh | 27.8 mi |
| Hart Wind | Hart, TX | 481.4 GWh | 40.4 mi |
| Hecate Energy Frye Solar LLC | Kress, TX | 1.3 TWh | 19 mi |
| Hornet Solar (TX) | Tulia, TX | 1.4 TWh | 39.1 mi |
| Jones | Lubbock, TX | 3.2 TWh | 50.8 mi |
| Longhorn Wind | Silverton, TX | 707.7 GWh | 10.8 mi |
| Lorenzo Wind | Lorenzo, TX | 353.7 GWh | 35.4 mi |
| McAdoo Wind Energy LLC | McAdoo, TX | 363.6 GWh | 38.8 mi |
| Old Settler Wind | Floydada, TX | 555.0 GWh | 14.6 mi |
| Pleasant Hill Wind Energy Project | Lorenzo, TX | 39.9 GWh | 32.2 mi |
| Ralls Wind Farm | Ralls, TX | 10.6 GWh | 37 mi |
| Roaring Springs, LLC | Motley, TX | 176.3 GWh | 35.8 mi |
| South Plains Wind Phase I | Floydada, TX | 689.2 GWh | 8.7 mi |
| Wake Wind Energy Center | Floydada, TX | 883.8 GWh | 30.3 mi |
| Whirlwind Energy Center | Floydada, TX | 101.5 GWh | 17.4 mi |