Naughton — United States of America

Coal power plant in Wyoming, United States of America. Approximate location 41.7581, -110.5983.

CoalWyomingUnited States of AmericaSteam

Naughton is a 832 MW coal power station in Wyoming, United States of America. It is operated by PacifiCorp. Based on reported annual generation of 2,841 GWh, it can supply roughly 812k homes. It ranks #740 of 10,884 United States of America power plants by installed capacity. Commissioned in 1968, it is around 58 years old — an older, legacy facility. 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).

832MW installed capacity
2,841GWh reported / yr
811,628homes powered
1968commissioned (~58 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0004162.

Data status

Known data

FacilityNaughton WRI
CountryUnited States of America · Wyoming WRI
Coordinates41.7581, -110.5983 WRI
FuelCoal WRI
MW installed capacity832 MW GEM · 2026 · L100000104285; operating plant capacity
Verification noteQuality label backfilled from existing source-backed capacity provenance on 2026-07-05; capacity value was not changed. source-verified
OwnerPacifiCorp WRI
Commissioned1968 WRI
TechnologySteam WRI
GWh reported / yr2,841 GWh·a⁻¹ WRI

Calculated from dataset

CO₂ emissions2,840,700 t CO₂·a⁻¹ calculated
Capacity rank in country#740 / 10884 calculated
Fuel-specific rank in country#276 / 802 calculated
Capacity vs country/fuel peers1.49× · 558 MW · n=802 calculated
Homes-powered equivalent811,628 calculated from reported generation
Climate3.7°C · HDD 5,200 derived from coordinates
Environmental severityC2 · 29/100 derived from coordinates

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

Capacity provenance

The public capacity above is the current source-record value. A 2026 tracker candidate lists 448 MW for Naughton Power Plant, but it is not used as the public primary value until scope is verified (unit vs operating vs installed/project total).

Data provenance

Source of the capacity and fuel values:

capacity: GEM · 2026 · L100000104285; fuel: WRI GPPD

In context: how this plant compares

At 832 MW, Naughton is well above the median coal plant in United States of America (558 MW). Technically it is described as Steam. 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.

Key facts

Load factor
39%, from 2,841 GWh of reported generation; the median for 244 coal plants in United States of America that report generation is 41%
Generation trend
5,534 GWh in 2013 and 2,841 GWh in 2019 (−49%)
Highest and lowest year
2013: 5,534 GWh; 2019: 2,841 GWh
Share of United States of America coal capacity
0.1% of 621,194 MW across 802 plants in this dataset
Age among peers
263 of 745 dated coal plants in United States of America are older

Calculated from the capacity and generation records in this dataset (WRI Global Power Plant Database (CC BY 4.0)).

Reported generation trend

2013: 5,534 GWh20132014: 4,959 GWh20142015: 4,899 GWh20152016: 4,872 GWh20162017: 4,741 GWh20172018: 4,740 GWh20182019: 2,841 GWh20196k GWh

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

Local climate & thermal context

This coal plant burns coal to raise high-pressure steam that spins a turbine-generator. It sits in a warm-summer humid continental climate (Köppen Dfb) — Northern Hemisphere, latitude 41.8°N — which shapes how much energy it can produce and how its output varies through the year.

3.7°Cannual mean temp
5,200heating degree-days (base 18°C)
0cooling degree-days (base 18°C)
2,157 melevation

Monthly mean temperature

J: -8 °CJF: -7 °CFM: -2 °CMA: 3 °CAM: 8 °CMJ: 13 °CJJ: 17 °CJA: 16 °CAS: 11 °CSO: 5 °CON: -3 °CND: -8 °CD17 °C

Heating degree-days here run 112% 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: 95/100 — this site sits in the top 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

This site sits in a mild atmospheric environment (estimated ISO 9223 class C2 — Low), with thermal cycling the leading environmental stress.

C2ISO 9223 corrosivity (indicative)
29/100environmental-severity index
25.3°Cseasonal temperature swing
1097 kmdistance to coast

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 #276 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 41.7581, -110.5983 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Naughton?

Naughton is a 832 MW coal power plant in Wyoming, United States of America, commissioned in 1968.

How much electricity does Naughton generate?

Naughton generates about 2,841 GWh of electricity per year.

Who operates Naughton?

Naughton is operated by PacifiCorp.

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