South Plains II
County Rd. 129, Lockney, TX 79241Plant Summary Information
South Plains II is ranked #26 out of 227 wind farms in Texas in terms of total annual net electricity generation.
South Plains II generated 314.5 GWh during the 3-month period between December 2025 to March 2026.
| Plant Name | South Plains II |
|---|---|
| Utility Name | Onward Energy |
| Location | Floyd County, TX |
| Initial Operation Date | June 2016 |
| Last Update | Mar 2026 |
| Annual Generation | 1.1 TWh |
| Annual Consumption | 4.0 M MMBtu |
| Ranked #726 out of 12,332 Power Plants Nationwide | |
| Ranked #59 out of 1,358 Wind Power Plants Nationwide | |
| Ranked #119 out of 814 Texas Power Plants | |
| Ranked #26 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) |
Map of South Plains II
Full Screen MapRegister Now for Comprehensive Access
Subscribe now to access all power plant data, utility information, FERC EQR data, and more for South Plains II.
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 Mar 2026 |
| Initial Operation Date | June 2016 |
| Annual Generation | 1.1 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 |
|---|---|---|---|
| #49 | 25 Mile Creek | Gage, OK | 1.1 TWh |
| #50 | Palo Duro Wind | Perryton, TX | 1.1 TWh |
| #51 | Bethel Wind Farm LLC | Dimmitt, TX | 1.1 TWh |
| #52 | Deuel Harvest Wind Energy LLC | Clear Lake, SD | 1.1 TWh |
| #53 | Thunderhead Wind Energy LLC | Boone, NE | 1.1 TWh |
| #54 | Ida Grove Wind | Ida Grove, IA | 1.1 TWh |
| #55 | Upland Prairie | Spencer, IA | 1.1 TWh |
| #56 | Clines Corners Wind Farm LLC | Encino, NM | 1.1 TWh |
| #57 | Limestone Wind Project | Coolidge, TX | 1.1 TWh |
| #58 | Western Plains Wind Farm | Spearville, KS | 1.1 TWh |
| #60 | Soldier Creek Wind | Corning, KS | 1.0 TWh |
| #61 | Triple H Wind Project | Highmore, SD | 1.0 TWh |
| #62 | Priddy Wind Project | Goldthwaite, TX | 1.0 TWh |
| #63 | Rock Creek Wind Project | Tarkio, MO | 1.0 TWh |
| #64 | El Cabo Wind | Encino, NM | 1.0 TWh |
| #65 | Dakota Range Wind | Marvin, SD | 990.4 GWh |
| #66 | TG East | Truscott, TX | 988.7 GWh |
| #67 | Lincoln Land Wind | TBD, IL | 988.3 GWh |
| #68 | Solomon Forks Wind Project, LLC | Colby, KS | 987.6 GWh |
| #69 | Caddo Wind | Apache, OK | 984.5 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 | 188.3 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 | 560.4 GWh | 40.4 mi |
| Hecate Energy Frye Solar LLC | Kress, TX | 1.3 TWh | 19 mi |
| Hornet Solar (TX) | Tulia, TX | 1.6 TWh | 39.1 mi |
| Jones | Lubbock, TX | 3.3 TWh | 50.8 mi |
| Longhorn Wind | Silverton, TX | 697.0 GWh | 10.8 mi |
| Lorenzo Wind | Lorenzo, TX | 352.4 GWh | 35.4 mi |
| McAdoo Wind Energy LLC | McAdoo, TX | 363.6 GWh | 38.8 mi |
| Old Settler Wind | Floydada, TX | 557.9 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 | 236.2 GWh | 35.8 mi |
| South Plains Wind Phase I | Floydada, TX | 699.9 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 |