Gadsby

Gas power plant in Utah, United States of America. Approximate location 40.7686, -111.9289.

GasUtahUnited States of AmericaSteam

Gadsby is a 485 MW gas power station in Utah, United States of America. It is operated by PacifiCorp. Based on reported annual generation of 134 GWh, it can supply roughly 38k homes. It ranks #1309 of 10,938 United States of America power plants by installed capacity. Commissioned in 1974, it is around 52 years old — an older, legacy facility. 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).

485Source-backed capacity
134GWh reported / yr
38,342homes powered
1974commissioned (~52 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0003648.

Data status

Known data

FacilityGadsby WRI
CountryUnited States of America · Utah WRI
Coordinates40.7686, -111.9289 WRI
FuelGas WRI
MW installed capacity485 MW WRI source record; scope not independently normalised
OwnerPacifiCorp WRI
Commissioned1974 WRI
TechnologySteam WRI
GWh reported / yr134 GWh/yr WRI

Calculated from dataset

CO₂ emissions53,680 t CO₂/yr calculated
Capacity rank in country#1309 of 10938 calculated
Fuel-specific rank in country#609 of 2165 calculated
Capacity vs country/fuel peers4.00× · 121 MW median · 2165 peers calculated
Homes-powered equivalent38,342 calculated from reported generation
Climate11.2°C · HDD 2,962 derived from coordinates
Environmental severityC2 · 32/100 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 operating-unit sum (location L100000402187); fuel: WRI source-record fuel

In context: how this plant compares

At 485 MW, Gadsby is well above the median gas plant in United States of America (121 MW). Technically it is described as Steam. Gas plants burn natural gas either in open-cycle turbines for fast peaking, or in combined-cycle units that recover exhaust heat in an HRSG to reach roughly 55–62% efficiency — the cleanest-burning fossil option.

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

Reported generation trend

2013: 340 GWh20132014: 326 GWh20142015: 124 GWh20152016: 121 GWh20162017: 93 GWh20172018: 59 GWh20182019: 134 GWh2019340 GWh

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

Owner

Operated by PacifiCorp. 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 warm-summer humid continental climate (Köppen Dfb) — Northern Hemisphere, latitude 40.8°N — which shapes how much energy it can produce and how its output varies through the year.

11.2°Cannual mean temp
2,962heating degree-days (base 18°C)
517cooling degree-days (base 18°C)
1,364 melevation

Monthly mean temperature

J: -1 °CJF: 2 °CFM: 6 °CMA: 10 °CAM: 15 °CMJ: 21 °CJJ: 25 °CJA: 24 °CAS: 19 °CSO: 12 °CON: 4 °CND: -1 °CD25 °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.

A gas turbine here also runs ~0% 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.

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 thermal cycling the leading environmental stress.

C2ISO 9223 corrosivity (indicative)
32/100environmental-severity index
26.5°Cseasonal temperature swing
953 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 #609 largest gas power plant of 2165 in United States of America by capacity.

United States of America has 2165 gas power plants in this dataset, together about 789,950 MW of capacity.

Nearby power plants

Location

Coordinates 40.7686, -111.9289 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Gadsby?

Gadsby is a 485 MW source-record gas power plant in Utah, United States of America, commissioned in 1974.

How much electricity does Gadsby generate?

Gadsby generates about 134 GWh of electricity per year.

How many homes can Gadsby power?

Its output is enough to supply roughly 38,342 homes.

Who operates Gadsby?

Gadsby is operated by PacifiCorp.

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