Longview Plant

Coal power plant in West Virginia, United States of America. Approximate location 39.707893, -79.95897.

CoalWest VirginiaUnited States of Americasupercritical

Longview Plant is a 808 MW coal power station in West Virginia, United States of America. It is operated by Mountain State Energy Holdings LLC [100%]. Based on its capacity (estimated), it can supply roughly 1.0 million homes (estimated). It ranks #822 of 10,938 United States of America power plants by installed capacity. Commissioned in 2011, it is around 15 years old — relatively modern. 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).

808MW installed capacity
1,011,154homes powered (est.)
2011commissioned (~15 yrs)

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

Data status

Known data

FacilityLongview Plant GEM-coal
CountryUnited States of America · West Virginia GEM-coal
Coordinates39.707893, -79.95897 GEM-coal
FuelCoal GEM-coal
MW installed capacity808 MW GEM · 2026 · L100000104255; operating plant capacity
OwnerMountain State Energy Holdings LLC [100%] GEM-coal
Commissioned2011 GEM-coal
Technologysupercritical GEM-coal

Calculated from dataset

CO₂ emissions3,539,040 t CO₂·a⁻¹ calculated
Capacity rank in country#822 / 10938 calculated
Fuel-specific rank in country#285 / 802 calculated
Capacity vs country/fuel peers1.45× · 558 MW · n=802 calculated
Homes-powered equivalent1,011,154 calculated
Climate10.6°C · HDD 2,962 derived from coordinates
Environmental severityC2 · 31/100 derived from coordinates

Not available

GWh reported / yrNot available not in dataset

Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.

Data provenance

The capacity and/or fuel fields on this page include a source-backed provenance label from GEM, an official registry, Wikidata, OSM, or a cross-source match.

capacity: GEM · 2026 · L100000104255; fuel: GEM GCPT

In context: how this plant compares

At 808 MW, Longview Plant is well above the median coal plant in United States of America (558 MW). Technically it is described as supercritical. Coal plants burn pulverised coal to raise high-pressure steam for a turbine; they run as baseload but are the most carbon-intensive mainstream source and the first targeted for retirement or efficiency retrofits.

Capacity comparison computed from the WRI Global Power Plant Database; fuel-type context is general engineering background.

Capacity vs largest coal plants in United States of America

W A Parish: 3,953 MW4kW A ParishScherer: 3,564 MW4kSchererScherer Steam Generating Station: 3,564 MW4kScherer St…Bowen: 3,499 MW3kBowenPlant Bowen: 3,499 MW3kPlant BowenCrystal River Energy Complex: 3,448 MW3kCrystal Ri…Gibson: 3,340 MW3kGibsonGibson Generating Station: 3,340 MW3kGibson Gen…

Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).

Owner

Operated by Mountain State Energy Holdings LLC [100%].

Local climate & thermal context

This coal plant burns coal to raise high-pressure steam that spins a turbine-generator. It sits in a temperate oceanic climate (Köppen Cfb) — Northern Hemisphere, latitude 39.7°N — which shapes how much energy it can produce and how its output varies through the year.

10.6°Cannual mean temp
2,962heating degree-days (base 18°C)
275cooling degree-days (base 18°C)
442 melevation

Monthly mean temperature

J: -2 °CJF: 0 °CFM: 5 °CMA: 10 °CAM: 15 °CMJ: 20 °CJJ: 22 °CJA: 21 °CAS: 18 °CSO: 11 °CON: 6 °CND: 1 °CD22 °C

Heating degree-days here run 21% above 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: 62/100 — this site sits in the mid third of the power plants we cover by heating degree-days.

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.

Site climate & environmental severity

For a plant’s outdoor hardware — heat-recovery steam generators (HRSG), expansion joints, valves, flanges and their insulation — the local climate sets how fast unprotected steel and coatings degrade. This site sits in a mild atmospheric environment (estimated ISO 9223 class C2 — Low), with humidity / wetness the leading environmental stress.

C2ISO 9223 corrosivity (indicative)
31/100environmental-severity index
23.7°Cseasonal temperature swing
237 kmdistance to coast

Higher environmental severity is exactly where protective removable insulation pays back most: a sheltered micro-climate slows corrosion, UV and thermal-cycling damage and extends outdoor hardware service life. This is an indicative site-climate context — not a condition assessment of any specific plant or operator.

Indicative estimate via the ISO 9223:2012 informative method (atmospheric corrosivity from temperature, time-of-wetness and airborne salinity), using WorldClim climate normals, the Köppen-Geiger class and coast distance. Indicative, not a measured corrosion rate.

How it compares & nearby plants

The #285 largest coal power plant of 802 in United States of America by capacity.

United States of America has 802 coal power plants in this dataset, together about 621,194 MW of capacity.

Nearby power plants

Location

Coordinates 39.707893, -79.95897 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Longview Plant?

Longview Plant is a 808 MW coal power plant in West Virginia, United States of America, commissioned in 2011.

How many homes can Longview Plant power?

Its output is enough to supply roughly 1,011,154 homes (estimated).

Who operates Longview Plant?

Longview Plant is operated by Mountain State Energy Holdings LLC [100%].

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