Pawnee

Coal power plant in Colorado, United States of America. Approximate location 40.2217, -103.6803.

CoalColoradoUnited States of AmericaSteamConstruction

Pawnee is a 552 MW coal power station in Colorado, United States of America. It is operated by Public Service Co of Colorado. Based on reported annual generation of 2,510 GWh, it can supply roughly 717k homes. It ranks #1200 of 10,938 United States of America power plants by installed capacity. 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).

552Source-backed capacity
2,510GWh reported / yr
717,171homes powered
1981Construction year

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0006248.

Data status

Known data

FacilityPawnee WRI
CountryUnited States of America · Colorado WRI
Coordinates40.2217, -103.6803 WRI
FuelCoal WRI
MW installed capacity552 MW WRI source record; scope not independently normalised
OwnerPublic Service Co of Colorado WRI
Commissioned1981 WRI
TechnologySteam WRI
GWh reported / yr2,510 GWh/yr WRI

Calculated from dataset

CO₂ emissions2,510,100 t CO₂/yr calculated
Capacity rank in country#1200 of 10938 calculated
Fuel-specific rank in country#402 of 802 calculated
Capacity vs country/fuel peers0.99× · 558 MW median · 802 peers calculated
Homes-powered equivalent717,171 calculated from reported generation
Climate9.9°C · HDD 3,360 derived from coordinates
Environmental severityC1 · 39/100 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 tracker 2026 (location L100000103812); fuel: WRI source-record fuel

In context: how this plant compares

At 552 MW, Pawnee is around the median coal plant in United States of America (558 MW). Technically it is described as Steam. Its current lifecycle status is “construction” — so it is not yet, or no longer, generating at full output. 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.

Reported generation trend

2013: 3,094 GWh20132014: 2,705 GWh20142015: 3,427 GWh20152016: 2,705 GWh20162017: 3,521 GWh20172018: 3,280 GWh20182019: 2,510 GWh20194k GWh

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

Owner

Operated by Public Service Co of Colorado. All plants by this company →

Local climate & thermal context

This coal plant burns coal to raise high-pressure steam that spins a turbine-generator. It sits in a cold semi-arid steppe climate (Köppen BSk) — Northern Hemisphere, latitude 40.2°N — which shapes how much energy it can produce and how its output varies through the year.

9.9°Cannual mean temp
3,360heating degree-days (base 18°C)
410cooling degree-days (base 18°C)
1,346 melevation

Monthly mean temperature

J: -4 °CJF: 0 °CFM: 4 °CMA: 9 °CAM: 15 °CMJ: 20 °CJJ: 24 °CJA: 23 °CAS: 18 °CSO: 10 °CON: 2 °CND: -3 °CD24 °C

Heating degree-days here run 37% 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: 73/100 — 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

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 benign, low-corrosion environment (estimated ISO 9223 class C1 — Very low), with dust abrasion the leading environmental stress.

C1ISO 9223 corrosivity (indicative)
39/100environmental-severity index
27.9°Cseasonal temperature swing
1352 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 #402 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 40.2217, -103.6803 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Pawnee?

Pawnee is a 552 MW source-record coal power plant in Colorado, United States of America, planned/announced for 1981.

How much electricity does Pawnee generate?

Pawnee generates about 2,510 GWh of electricity per year.

How many homes can Pawnee power?

Its output is enough to supply roughly 717,171 homes.

Who operates Pawnee?

Pawnee is operated by Public Service Co of Colorado.

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