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Gleason Generating Facility

Gas power plant in Tennessee, United States of America. Approximate location 36.2454, -88.612.

GasTennesseeUnited States of America

Gleason Generating Facility is a 568 MW gas power station in Tennessee, United States of America. It is operated by Tennessee Valley Authority. Based on reported annual generation of 461 GWh, it can supply roughly 131,742 homes. It ranks #659 of 9,833 United States of America power plants by installed capacity. Commissioned in 2000, it is around 26 years old — long-established. In context, gas supplies about 40.0% of United States of America's electricity; the national grid averages 384 gCO₂/kWh (43.0% low-carbon) (2025).

568MW installed capacity
461GWh reported / yr
131,742homes powered
2000commissioned (~26 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0055251.

~184,440 t CO₂/yr (estimated) — in everyday terms

This facility's annual emissions are roughly equivalent to:

42,993passenger cars driven for a year
24,053homes' yearly energy use
3,074,000tree seedlings grown 10 years to absorb it

Estimated, not measured: from reported annual generation × a typical gas emission factor (~400 g CO₂/kWh, IPCC AR5 / US EIA). Actual emissions depend on plant efficiency and running hours.Equivalencies via US EPA Greenhouse Gas Equivalencies.

Reported generation trend

2013: 3 GWh20132014: 4 GWh20142015: 40 GWh20152016: 468 GWh20162017: 297 GWh20172018: 547 GWh20182019: 461 GWh2019547 GWh

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

Owner

Operated by Tennessee Valley Authority. All plants by this company →

Local climate & thermal context

This gas plant burns natural gas in a turbine — often in a combined-cycle setup — to generate electricity. It sits in a humid subtropical climate (Köppen Cfa) — Northern Hemisphere, latitude 36.2°N — which shapes how much energy it can produce and how its output varies through the year.

14.6°Cannual mean temp
2,020heating degree-days (base 18°C)
793cooling degree-days (base 18°C)
128 melevation

Monthly mean temperature

J: 2 °CJF: 4 °CFM: 9 °CMA: 14 °CAM: 19 °CMJ: 24 °CJJ: 26 °CJA: 25 °CAS: 22 °CSO: 15 °CON: 9 °CND: 4 °CD26 °C

Heating degree-days here run 18% 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: 43/100 — this site sits in the mid 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.

A gas turbine here also runs ~0% below its ISO (15°C) rating at this annual mean (typical CCGT curve, estimate).

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 #382 largest gas power plant of 1818 in United States of America by capacity.

United States of America has 1818 gas power plants in this dataset, together about 546,436 MW of capacity.

Nearby power plants

Location

Coordinates 36.2454, -88.612 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

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