Welsh
Titus County, Texas · EIA plant ID 6139 · Operator: Southwestern Electric Power Co
Nameplate1,116MWSummer 1,000 MW
Generators2in service
Net generation3,300GWh12 mo to Aug 2026
Capacity factor38%gas/coal/oil units, summer MW
Heat rate11,724Btu/kWhfossil units, electric fuel, HHV
First online1977Runs as baseload
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 | 10,853 | 78.2% | 10,205 |
| 2002 | 11,000.1 | 79.3% | 10,398 |
| 2003 | 10,285.3 | 74.1% | 10,637 |
| 2004 | 10,394.6 | 74.7% | 10,579 |
| 2005 | 9,537.7 | 68.7% | 10,779 |
| 2006 | 10,035.9 | 72.3% | 10,574 |
| 2007 | 10,504.7 | 75.7% | 10,495 |
| 2008 | 10,354 | 74.4% | 10,328 |
| 2009 | 10,660.7 | 76.8% | 10,462 |
| 2010 | 10,831.6 | 78.1% | 10,487 |
| 2011 | 10,888.1 | 78.5% | 10,422 |
| 2012 | 10,280.1 | 73.9% | 10,794 |
| 2013 | 8,753 | 63.1% | 10,999 |
| 2014 | 7,982.2 | 57.5% | 11,080 |
| 2015 | 6,130.4 | 44.2% | 11,149 |
| 2016 | 4,489.5 | 43.0% | 10,292 |
| 2017 | 5,582.5 | 60.4% | 10,826 |
| 2018 | 5,456.6 | 59.0% | 11,107 |
| 2019 | 4,544.7 | 49.1% | 11,354 |
| 2020 | 3,320.4 | 37.8% | 11,771 |
| 2021 | 4,328.1 | 49.4% | 11,222 |
| 2022 | 4,230 | 48.3% | 11,382 |
| 2023 | 3,579.3 | 40.9% | 11,573 |
| 2024 | 4,218.5 | 48.0% | 12,023 |
| 2025 | 4,114.5 | 47.0% | 11,482 |
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 | 558 | 500 | Mar 1977 | Operating | — | coming soon |
| 3 | Conventional Steam Coal | ST | 558 | 500 | Mar 1982 | Operating | — | coming soon |
| 2 | Conventional Steam Coal | ST | 558 | 528 | Apr 1980 | Retired Apr 2016 | — | coming soon |
Owner / operator
Operator: Southwestern Electric Power Co. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Southwestern Electric Power Co | 100.0% | 1,116 MW |
Nearby plants
Within 80 km.
| Lone Star | retired | 18.5 km |
| Naples Power Plant | — | 22.2 km |
| Hecate Energy Upshur Rural LLC | 3 MW | 25.6 km |
| Wilkes | 882 MW | 35.7 km |
| Delilah Solar Energy LLC | 300 MW | 39.5 km |
| Samson Solar Energy | 250 MW | 39.5 km |