Welsh
Coal power plant in Titus County, Texas. 1,116 MW of nameplate capacity across 2 generators, operated by Southwestern Electric Power Co.
Also known as J. Robert Welsh Power Plant · EIA plant 6139
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Key facts
- Capacity
- 1,116 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- March 1977First generator online
- Operator
- Southwestern Electric Power CoEIA operator ID 17698
- Grid
- SPPBalancing authority SWPP
- Price nodes
- 2 SPP nodesResource nodes with prices
- Location
- Titus County, TX33.0552, −94.8400
- EIA plant ID
- 6139EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Welsh produces
Free · EIA-923Net generation, 2025
4.11 TWh
4,114,516 MWh, final
Capacity factor, 2025
42.1%
2024: 43.0%
January to July 2026
1.64 TWh
Provisional
Range, 2015 to 2025
3.6–6.1
TWh a year. Low 2023, high 2015
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 10,819,312 | Not reported | 12 of 12 |
| 2001 | 10,852,977 | Not reported | 12 of 12 |
| 2002 | 11,000,083 | Not reported | 12 of 12 |
| 2003 | 10,285,326 | Not reported | 12 of 12 |
| 2004 | 10,394,591 | Not reported | 12 of 12 |
| 2005 | 9,537,745 | Not reported | 12 of 12 |
| 2006 | 10,035,850 | Not reported | 12 of 12 |
| 2007 | 10,504,719 | Not reported | 12 of 12 |
| 2008 | 10,354,042 | Not reported | 12 of 12 |
| 2009 | 10,660,735 | Not reported | 12 of 12 |
| 2010 | 10,831,561 | 73.9% | 12 of 12 |
| 2011 | 10,888,065 | 74.2% | 12 of 12 |
| 2012 | 10,280,099 | 69.9% | 12 of 12 |
| 2013 | 8,752,974 | 59.7% | 12 of 12 |
| 2014 | 7,982,240 | 54.4% | 12 of 12 |
| 2015 | 6,130,440 | 41.8% | 12 of 12 |
| 2016 | 4,489,529 | Not reported | 12 of 12 |
| 2017 | 5,582,530 | 57.1% | 12 of 12 |
| 2018 | 5,456,590 | 55.8% | 12 of 12 |
| 2019 | 4,544,694 | 46.5% | 12 of 12 |
| 2020 | 167,683 | 20.2% | 1 of 12 |
| 2021 | 4,328,149 | 44.3% | 12 of 12 |
| 2022 | 4,229,951 | 43.3% | 12 of 12 |
| 2023 | 3,579,333 | 36.6% | 12 of 12 |
| 2024 | 4,218,483 | 43.0% | 12 of 12 |
| 2025 | 4,114,516 | 42.1% | 12 of 12 |
| 2026 (provisional, partial year) | 1,635,785 | 28.8% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free account · SPPEmissions
Free · EPA CAMPDCO₂, 2025
4.99M
US short tons. 2024: 5.32M
SO₂, 2025
11,542
US short tons
NOx, 2025
4,711
US short tons
CO₂ per MWh, calculated
1.21 t
About 2,426 lb per MWh
2 of 2 EPA units reported CO₂ in 2025 (1, 2, 3), matched to EIA plant 6139 through the EPA–EIA crosswalk. The per-MWh rate is EPA CO₂ divided by EIA-923 net generation. The two reporting boundaries can differ.
Water use
Free · EIA-923 cooling, USGSWithdrawal, 2024
253,225
million gallons
Consumption, 2024
1,578
million gallons
Source
Swauano Creek Reservoir
Surface, Fresh. Recirculating with cooling pond
Watershed stress
Low · 0.386
USGS SUI, HUC12 Welsh Reservoir-Big Cypress Creek
12 of 12 cooling months report withdrawal. SUI of the HUC12 containing the plant. Cooling-pond plants report water circulated through the pond as withdrawal, so withdrawal is far above consumption. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Conventional Steam Coal | 558.0 | March 1977 |
| 3 | Conventional Steam Coal | 558.0 | March 1982 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Southwestern Electric Power Co as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Power plants near Welsh
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Questions about Welsh
How much power does Welsh produce?
Welsh reported 4,114,516 MWh (4.11 TWh) of net generation in 2025, a 42.1% capacity factor on 1,116 MW of nameplate capacity. From January to July 2026 it reported 1.64 TWh, which is provisional.
Where is Welsh?
Welsh is in Titus County, Texas, at 33.0552, −94.8400. It is in the Southwest Power Pool balancing area (SWPP).
Who operates Welsh?
EIA-860M for August 2026 lists Southwestern Electric Power Co as the operator (EIA operator ID 17698). The operator is not always the owner.
When did Welsh start operating?
Its first generator began operating in March 1977, according to EIA-860M.
Does InfraMap have power prices for Welsh?
Yes. InfraMap has SPP day-ahead and real-time prices at 2 price nodes linked to Welsh, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- EPA CAMPD annual emissions through the EPA–EIA crosswalk, 1995 to 2025
- SPP day-ahead and real-time prices; node and hub assignments as of 2026-10-05
- EIA-923 cooling water 2024 and the USGS surface water supply and use index, Water years 2010-2020 (Oct 2009 to Sep 2020), mean of monthly values
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page