Port Westward

Gas power plant in Oregon, United States of America. Approximate location 46.1789, -123.172.

GasOregonUnited States of America

Port Westward is a 483 MW gas power station in Oregon, United States of America. It is operated by Portland General Electric Co. Based on reported annual generation of 2,738 GWh, it can supply roughly 782,257 homes. It ranks #749 of 9,833 United States of America power plants by installed capacity. Commissioned in 2007, it is around 19 years old — relatively modern. 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).

483MW installed capacity
2,738GWh reported / yr
782,257homes powered
2007commissioned (~19 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0056227.

~1,095,160 t CO₂/yr (estimated) — in everyday terms

This facility's annual emissions are roughly equivalent to:

255,282passenger cars driven for a year
142,822homes' yearly energy use
18,252,667tree seedlings grown 10 years to absorb it

Estimated, not measured: from reported annual generation × a typical gas emission factor (~400 g CO₂/kWh, IPCC AR5 / US EIA). Actual emissions depend on plant efficiency and running hours.Equivalencies via US EPA Greenhouse Gas Equivalencies.

Reported generation trend

2013: 2,384 GWh20132014: 1,943 GWh20142015: 2,324 GWh20152016: 2,400 GWh20162017: 2,129 GWh20172018: 2,501 GWh20182019: 2,738 GWh20193k GWh

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

Owner

Operated by Portland General Electric Co. 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 Mediterranean climate (Köppen Csb) — Northern Hemisphere, latitude 46.2°N — which shapes how much energy it can produce and how its output varies through the year.

9.9°Cannual mean temp
2,934heating degree-days (base 18°C)
0cooling degree-days (base 18°C)
192 melevation

Monthly mean temperature

J: 4 °CJF: 5 °CFM: 7 °CMA: 9 °CAM: 12 °CMJ: 14 °CJJ: 16 °CJA: 17 °CAS: 15 °CSO: 11 °CON: 6 °CND: 4 °CD17 °C

Heating degree-days here run 19% 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: 61/100 — this site sits in the mid 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 ~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.

How it compares & nearby plants

The #447 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 46.1789, -123.172 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

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