Plant XRetirement planned
Lamb County, Texas · EIA plant ID 3485 · Operator: Southwestern Public Service Co
×244 MW natural gas retired since 2020 (latest Dec 2023)
Nameplate190MWSummer 190 MW
Generators1in service
Net generation586GWh12 mo to Dec 2025
Capacity factor35%gas/coal/oil units, summer MW
Heat rate9,320Btu/kWhfossil units, electric fuel, HHV
First online1964Runs as intermediate
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2001 | 1,012.7 | 26.0% | 10,457 |
| 2002 | 835.6 | 21.6% | 12,379 |
| 2003 | 1,104.1 | 28.5% | 11,010 |
| 2004 | 1,472.4 | 37.9% | 11,367 |
| 2005 | 1,155.1 | 29.8% | 11,418 |
| 2006 | 1,267.8 | 32.7% | 11,257 |
| 2007 | 1,320.6 | 34.1% | 11,466 |
| 2008 | 1,003.7 | 25.9% | 10,623 |
| 2009 | 960.6 | 24.8% | 11,165 |
| 2010 | 1,047.6 | 28.3% | 11,934 |
| 2011 | 1,175.5 | 32.6% | 11,912 |
| 2012 | 1,546.1 | 42.7% | 11,579 |
| 2013 | 1,373.8 | 38.2% | 11,853 |
| 2014 | 1,160.7 | 32.2% | 11,501 |
| 2015 | 778.1 | 21.6% | 11,500 |
| 2016 | 626.3 | 17.3% | 11,638 |
| 2017 | 452.9 | 12.6% | 11,802 |
| 2018 | 1,221.2 | 33.9% | 11,530 |
| 2019 | 865.5 | 24.0% | 12,047 |
| 2020 | 917 | 25.4% | 11,298 |
| 2021 | 341.8 | 9.5% | 11,637 |
| 2022 | 505 | 14.3% | 11,294 |
| 2023 | 660.3 | 23.7% | 10,701 |
| 2024 | 815.7 | 48.9% | 9,460 |
| 2025 | 585.8 | 35.2% | 9,320 |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| 4 | Natural Gas Steam Turbine | ST | 190.4 | 190 | Jan 1964 | Operating · retirement planned | Dec 2027 | coming soon |
| 1 | Natural Gas Steam Turbine | ST | 48 | 38 | Jan 1952 | Retired Dec 2023 | — | coming soon |
| 2 | Natural Gas Steam Turbine | ST | 98 | 90 | Jan 1953 | Retired Dec 2023 | — | coming soon |
| 3 | Natural Gas Steam Turbine | ST | 98 | 93 | Jan 1955 | Retired Dec 2022 | — | coming soon |
Owner / operator
Operator: Southwestern Public Service Co. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Southwestern Public Service Co | 100.0% | 190 MW |
Nearby plants
Within 80 km.
| Plant X Solar | 150 MW | 0.6 km |
| Tolk | 1,136 MW | 14.8 km |
| Blue Cloud Wind Energy LLC | 148 MW | 27.4 km |
| Hart Wind | 166 MW | 40.5 km |
| Bethel Wind Farm LLC | 276 MW | 45.9 km |
| Lazbuddie Wind Energy LLC | 265 MW | 50.3 km |