TolkRetirement planned
Lamb County, Texas · EIA plant ID 6194 · Operator: Southwestern Public Service Co
Nameplate1,136MWSummer 1,067 MW
Generators2in service
Net generation2,707GWh12 mo to Aug 2026
Capacity factor29%gas/coal/oil units, summer MW
Heat rate11,574Btu/kWhfossil units, electric fuel, HHV
First online1982Runs as intermediate
The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.
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 | 7,646 | 80.8% | 9,952 |
| 2002 | 7,662 | 81.0% | 9,942 |
| 2003 | 8,431.3 | 89.1% | 9,961 |
| 2004 | 7,485.3 | 78.9% | 9,901 |
| 2005 | 7,418.8 | 78.4% | 9,971 |
| 2006 | 7,342.5 | 77.6% | 9,720 |
| 2007 | 7,168.2 | 75.8% | 9,942 |
| 2008 | 7,570.2 | 79.8% | 10,017 |
| 2009 | 7,236.5 | 76.5% | 9,944 |
| 2010 | 7,732.5 | 82.9% | 9,944 |
| 2011 | 7,815.9 | 83.6% | 9,932 |
| 2012 | 7,574.2 | 80.8% | 9,995 |
| 2013 | 8,279 | 88.6% | 10,046 |
| 2014 | 6,687.7 | 71.5% | 10,233 |
| 2015 | 6,488.1 | 69.4% | 10,265 |
| 2016 | 5,689.2 | 60.7% | 10,369 |
| 2017 | 5,171.5 | 55.3% | 10,270 |
| 2018 | 3,810.1 | 40.8% | 10,418 |
| 2019 | 2,741.8 | 29.3% | 11,008 |
| 2020 | 1,859.4 | 19.8% | 11,235 |
| 2021 | 2,491.9 | 26.7% | 10,693 |
| 2022 | 2,588 | 27.7% | 10,701 |
| 2023 | 2,707.6 | 29.0% | 10,988 |
| 2024 | 1,974.2 | 21.1% | 11,816 |
| 2025 | 2,911.3 | 31.1% | 11,383 |
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 |
|---|---|---|---|---|---|---|---|---|
| 1 | Conventional Steam Coal | ST | 567.9 | 532 | Jan 1982 | Operating · retirement planned | Dec 2028 | coming soon |
| 2 | Conventional Steam Coal | ST | 567.9 | 535 | Jan 1985 | Operating · retirement planned | Dec 2028 | 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% | 1,136 MW |
Nearby plants
Within 80 km.
| Plant X | 190 MW | 14.8 km |
| Plant X Solar | 150 MW | 15.3 km |
| Blue Cloud Wind Energy LLC | 148 MW | 18.7 km |
| Lazbuddie Wind Energy LLC | 265 MW | 42.7 km |
| Bethel Wind Farm LLC | 276 MW | 44.1 km |
| Texico Wind Ranch LP | retired | 49.6 km |