Choctaw County

Gas power plant in Mississippi, United States of America. Approximate location 33.2881, -89.4201.

GasMississippiUnited States of AmericaCO₂ reported

Choctaw County is a 899 MW gas power station in Mississippi, United States of America. It is operated by Entergy Mississippi LLC. Based on reported annual generation of 4,550 GWh, it can supply roughly 1,300,028 homes. It ranks #364 of 9,833 United States of America power plants by installed capacity. Commissioned in 2003, it is around 23 years old — relatively modern. Its measured emissions of 1,950,979 t CO₂/yr (US EPA GHGRP) are equivalent to about 454,774 cars driven for a year. 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).

899MW installed capacity
4,550GWh reported / yr
1,300,028homes powered
1,950,979t CO₂ / yr (US EPA GHGRP)
2003commissioned (~23 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0055706.

1,950,979 t CO₂/yr — in everyday terms

This facility's annual emissions are roughly equivalent to:

454,774passenger cars driven for a year
254,431homes' yearly energy use
32,516,317tree seedlings grown 10 years to absorb it

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

Reported generation trend

2013: 1,413 GWh20132014: 2,869 GWh20142015: 3,519 GWh20152016: 3,275 GWh20162017: 3,953 GWh20172018: 5,071 GWh20182019: 4,550 GWh20195k GWh

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

Owner

Operated by Entergy Mississippi LLC. 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 33.3°N — which shapes how much energy it can produce and how its output varies through the year.

16.5°Cannual mean temp
1,462heating degree-days (base 18°C)
934cooling degree-days (base 18°C)
146 melevation

Monthly mean temperature

J: 6 °CJF: 8 °CFM: 12 °CMA: 16 °CAM: 21 °CMJ: 24 °CJJ: 26 °CJA: 26 °CAS: 23 °CSO: 17 °CON: 12 °CND: 7 °CD26 °C

Heating degree-days here run 41% 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: 33/100 — 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.

A gas turbine here also runs ~1% 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 #167 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 33.2881, -89.4201 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Built from open public data; no personal information. Operate this site? Request a correction or removal.