Plant X
5m S. on Earth on FM Rd 1055, Earth, TX 79031Plant Summary Information
Plant X is ranked #93 out of 314 natural gas power plants in Texas in terms of total annual net electricity generation.
Plant X is comprised of 1 generator and generated 207.5 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Plant X |
|---|---|
| Utility Name | Southwestern Public Service Co |
| Location | Lamb County, TX |
| Initial Operation Date | January 1952 |
| Last Update | Dec 2025 |
| Annual Generation | 585.8 GWh |
| Annual Consumption | 6.0 M MMBtu |
| Ranked #1,192 out of 13,301 Power Plants Nationwide | |
| Ranked #524 out of 2,218 Natural Gas Power Plants Nationwide | |
| Ranked #239 out of 861 Texas Power Plants | |
| Ranked #93 out of 314 Texas Natural Gas Power Plants | |
| Fuel Types | Natural Gas : 99.9% |
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Monthly Net Generation for Plant X
Monthly Plant Fuel Consumption for Plant X
Plant X Details
| Summary Information | |
|---|---|
| Plant Name | Plant X (3485) |
| Plant Address | 5m S. on Earth on FM Rd 1055, Earth, TX 79031 |
| Utility | Southwestern Public Service Co (17718) |
| Latitude, Longitude | 34.1661, -102.4114 |
| Generation Dates on File | Jan 2001 to Dec 2025 |
| Initial Operation Date | January 1952 |
| Annual Generation | 585.8 GWh |
| Fuel Types | Natural Gas : 99.9% |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | No |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Regulated |
| NERC Region | MRO |
| Balancing Authority | Southwest Power Pool (SWPP) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | Wells |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Southwestern Public Service Co (17718) TX |
| Grid Voltage | 230.00 kV / 115.00 kV |
| Energy Storage | No |
| Natural Gas Information | |
| Pipeline Name |
EL PASO NATURAL GAS COMPANY LLC ONEOK WES TEX TRANSMISSION LLC |
| Natural Gas Storage | No |
| Liquefied Natural Gas Storage | No |
Generator 4 Details Operating January 1964
| Technology | Natural Gas Steam Turbine |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | SPS.PLANTX4 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | SPS.PLANTX4 |
| Nameplate Capacity | 190.4 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 190 MW |
| Winter Capacity | 190 MW |
| Minimum Load | 55 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | January 1964 |
|---|---|
| Planned Retirement | December 2027 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Natural Gas / Distillate Fuel Oil |
| Startup Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | OVER |
| Multiple Fuels | Yes |
| Cofire Fuels | Yes |
| Switch Between Oil And Natural Gas | Yes |
| Multifuel Details | |
| Cofire Energy Source | NG / DFO |
|---|---|
| Switch When Operating | Yes |
| Net Summer Capacity With Natural Gas | 189 MW |
| Net Winter Capacity With Natural Gas | 189 MW |
| Net Summer Capacity With Oil | 189 MW |
| Net Winter Capacity With Oil | 189 MW |
| Time To Switch From Gas To Oil | 6H |
| Time To Switch From Oil To Gas | 1H |
| Factors That Limit Switching | No |
Plant X Plant Owners
| Owner Name | Address | Ownership | We couldn't locate any owners for this plant |
|---|
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|---|---|---|---|
| #514 | Greenidge Generation LLC | Dresden, NY | 624.9 GWh |
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| #522 | Marathon Bay Area Cogen | Martinez, CA | 598.3 GWh |
| #523 | RockGen Energy Center | Cambridge, WI | 597.7 GWh |
| #525 | Shell Chemical | Geismar, LA | 585.3 GWh |
| #526 | Axiall Natrium Plant | New Martinsville, WV | 594.0 GWh |
| #527 | SABIC Innovative Plastics Mt. Vernon | Mount Vernon, IN | 579.7 GWh |
| #528 | Oleander Power Project LP | Cocoa, FL | 579.6 GWh |
| #529 | NAFTA Region Olefins Complex Cogen Fac | Port Arthur, TX | 577.5 GWh |
| #530 | Ocean State Power II | Harrisville, RI | 576.9 GWh |
| #531 | JCO Oxides Olefins Plant | Port Neeches, TX | 569.5 GWh |
| #532 | Gerald Andrus | Greenville, MS | 566.8 GWh |
| #533 | Ocotillo | Tempe, AZ | 562.7 GWh |
| #534 | Wayne County Energy Complex | Goldsboro, NC | 621.5 GWh |
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Below are closest 20 power plants surrounding Plant X.
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| Tolk | Muleshoe, TX | 2.7 TWh | 9.2 mi |
| TX Hereford Wind | Hereford, TX | 617.0 GWh | 42.4 mi |
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