Jasper

Gas power plant in South Carolina, United States of America. Approximate location 32.3594, -81.1242.

GasSouth CarolinaUnited States of AmericaCO₂ reported

Jasper is a 1,002 MW gas power station in South Carolina, United States of America. It is operated by Dominion Energy South Carolina Inc. Based on reported annual generation of 5,184 GWh, it can supply roughly 1,481,200 homes. It ranks #313 of 9,833 United States of America power plants by installed capacity. Commissioned in 2004, it is around 22 years old — relatively modern. Its measured emissions of 2,054,257 t CO₂/yr (US EPA GHGRP) are equivalent to about 478,848 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).

1,002MW installed capacity
5,184GWh reported / yr
1,481,200homes powered
2,054,257t CO₂ / yr (US EPA GHGRP)
2004commissioned (~22 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0055927.

2,054,257 t CO₂/yr — in everyday terms

This facility's annual emissions are roughly equivalent to:

478,848passenger cars driven for a year
267,900homes' yearly energy use
34,237,617tree seedlings grown 10 years to absorb it

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

Reported generation trend

2013: 4,696 GWh20132014: 4,244 GWh20142015: 5,501 GWh20152016: 4,784 GWh20162017: 5,483 GWh20172018: 5,061 GWh20182019: 5,184 GWh20196k GWh

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

Owner

Operated by Dominion Energy South Carolina Inc. 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 32.4°N — which shapes how much energy it can produce and how its output varies through the year.

18.7°Cannual mean temp
878heating degree-days (base 18°C)
1,156cooling degree-days (base 18°C)
10 melevation

Monthly mean temperature

J: 9 °CJF: 11 °CFM: 15 °CMA: 18 °CAM: 22 °CMJ: 26 °CJJ: 27 °CJA: 27 °CAS: 24 °CSO: 19 °CON: 15 °CND: 11 °CD27 °C

Heating degree-days here run 64% 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: 25/100 — 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 ~3% 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 #130 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 32.3594, -81.1242 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

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