Welsh

Coal power plant in Texas, United States of America. Approximate location 33.0552, -94.84.

CoalTexasUnited States of AmericaCO₂ reported

Welsh is a 1,116 MW coal power station in Texas, United States of America. It is operated by Southwestern Electric Power Co. Based on reported annual generation of 4,545 GWh, it can supply roughly 1,298,485 homes. It ranks #268 of 9,833 United States of America power plants by installed capacity. Commissioned in 1979, it is around 47 years old — long-established. Its measured emissions of 3,997,737 t CO₂/yr (US EPA GHGRP) are equivalent to about 931,873 cars driven for a year. In context, coal supplies about 16.3% of United States of America's electricity; the national grid averages 384 gCO₂/kWh (43.0% low-carbon) (2025).

1,116MW installed capacity
4,545GWh reported / yr
1,298,485homes powered
3,997,737t CO₂ / yr (US EPA GHGRP)
1979commissioned (~47 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0006139.

3,997,737 t CO₂/yr — in everyday terms

This facility's annual emissions are roughly equivalent to:

931,873passenger cars driven for a year
521,353homes' yearly energy use
66,628,950tree seedlings grown 10 years to absorb it

Equivalencies via US EPA Greenhouse Gas Equivalencies; emissions reported to US EPA GHGRP.

Reported generation trend

2013: 8,753 GWh20132014: 7,982 GWh20142015: 6,130 GWh20152016: 4,490 GWh20162017: 5,582 GWh20172018: 5,457 GWh20182019: 4,545 GWh20199k GWh

Annual generation (GWh), WRI Global Power Plant Database (CC BY 4.0).

Owner

Operated by Southwestern Electric Power Co. All plants by this company →

Local climate & thermal context

This coal plant burns coal to raise high-pressure steam that spins a turbine-generator. It sits in a humid subtropical climate (Köppen Cfa) — Northern Hemisphere, latitude 33.1°N — which shapes how much energy it can produce and how its output varies through the year.

17.9°Cannual mean temp
1,209heating degree-days (base 18°C)
1,173cooling degree-days (base 18°C)
107 melevation

Monthly mean temperature

J: 7 °CJF: 9 °CFM: 14 °CMA: 18 °CAM: 22 °CMJ: 26 °CJJ: 28 °CJA: 28 °CAS: 24 °CSO: 18 °CON: 12 °CND: 8 °CD28 °C

Heating degree-days here run 51% below the median power plant in this dataset — a proxy for how much extra energy heated equipment must replace through its surfaces in winter.

Climate heat-demand index: 29/100 — this site sits in the bottom third of the power plants we cover by heating degree-days.

In colder climates, uninsulated hot equipment (boilers, turbines, valves, steam lines) loses proportionally more heat to ambient air — exactly the loss Inzonex modular insulation is designed to cut.

Climate normals: WorldClim 2.1 (1970–2000 monthly normals, 10 arc-min, CC BY 4.0); zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid). Degree-days & heat-demand index computed by PowerAtlas — a modelled heat-demand proxy, not a measured site figure.

How it compares & nearby plants

The #95 largest coal power plant of 286 in United States of America by capacity.

United States of America has 286 coal power plants in this dataset, together about 249,149 MW of capacity.

Nearby power plants

Location

Coordinates 33.0552, -94.84 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

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