Covanta Marion Inc

Waste power plant in Oregon, United States of America. Approximate location 45.0485, -122.9628.

WasteOregonUnited States of AmericaCO₂ modelled

Covanta Marion Inc is a 13 MW waste power plant in Oregon, United States of America. It is operated by Covanta Marion Inc. Based on reported annual generation of 66 GWh, it can supply roughly 19k homes. It ranks #5338 of 10,938 United States of America power plants by installed capacity. Commissioned in 1986, it is around 40 years old — long-established. Its modelled annual emissions are 109,869 t CO₂/yr (Climate TRACE), equivalent to about 26k cars driven for a year. In context, the national grid averages 384 gCO₂/kWh (43.0% low-carbon) (2025).

13Source-backed capacity
66GWh reported / yr
18,857homes powered
109,869t CO₂ / yr (Climate TRACE)
1986commissioned (~40 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0050630.

Data status

Known data

FacilityCovanta Marion Inc WRI
CountryUnited States of America · Oregon WRI
Coordinates45.0485, -122.9628 WRI
FuelWaste WRI
MW installed capacity13 MW WRI source record; scope not independently normalised
OwnerCovanta Marion Inc WRI
Commissioned1986 WRI
GWh reported / yr66 GWh/yr WRI

Modelled source data

CO₂ emissions109,869 t CO₂/yr modelled · Climate TRACE

Calculated from dataset

Capacity rank in country#5338 of 10938 calculated
Fuel-specific rank in country#191 of 551 calculated
Capacity vs country/fuel peers1.98× · 7 MW median · 551 peers calculated
Homes-powered equivalent18,857 calculated from reported generation
Climate11.3°C · HDD 2,491 derived from coordinates
Environmental severityC4 · 34/100 derived from coordinates

Not available

TechnologyNot available not in dataset
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: Wikidata P2109 nameplate capacity; fuel: WRI source-record fuel

In context: how this plant compares

At 13 MW, Covanta Marion Inc is well above the median waste plant in United States of America (7 MW). Waste-to-energy plants burn municipal solid waste to generate electricity and heat, cutting landfill volume while recovering energy from residual waste.

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

~109,869 t CO₂/yr (modelled) — in everyday terms

This facility's annual emissions are roughly equivalent to:

26kpassenger cars driven for a year
14khomes' yearly energy use
1.8 milliontree seedlings grown 10 years to absorb it

Equivalencies via US EPA Greenhouse Gas Equivalencies; modelled emissions from Climate TRACE.

Reported generation trend

2013: 71 GWh20132014: 88 GWh20142015: 86 GWh20152016: 84 GWh20162017: 81 GWh20172018: 71 GWh20182019: 66 GWh201988 GWh

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

Owner

Operated by Covanta Marion Inc.

Local climate & thermal context

This waste plant recovers energy by combusting municipal or industrial waste. It sits in a warm-summer Mediterranean climate (Köppen Csb) — Northern Hemisphere, latitude 45.0°N — which shapes how much energy it can produce and how its output varies through the year.

11.3°Cannual mean temp
2,491heating degree-days (base 18°C)
69cooling degree-days (base 18°C)
97 melevation

Monthly mean temperature

J: 4 °CJF: 6 °CFM: 8 °CMA: 10 °CAM: 13 °CMJ: 16 °CJJ: 19 °CJA: 19 °CAS: 17 °CSO: 12 °CON: 7 °CND: 4 °CD19 °C

Heating degree-days here run 1% 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: 50/100 — 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 corrosive environment (estimated ISO 9223 class C4 — High), with marine corrosion the leading environmental stress.

C4ISO 9223 corrosivity (indicative)
34/100environmental-severity index
14.9°Cseasonal temperature swing
43 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 #191 largest waste power plant of 551 in United States of America by capacity.

United States of America has 551 waste power plants in this dataset, together about 10,154 MW of capacity.

Nearby power plants

Location

Coordinates 45.0485, -122.9628 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Covanta Marion Inc?

Covanta Marion Inc is a 13 MW source-record waste power plant in Oregon, United States of America, commissioned in 1986.

How much electricity does Covanta Marion Inc generate?

Covanta Marion Inc generates about 66 GWh of electricity per year.

How many homes can Covanta Marion Inc power?

Its output is enough to supply roughly 18,857 homes.

Who operates Covanta Marion Inc?

Covanta Marion Inc is operated by Covanta Marion Inc.

How much CO₂ does Covanta Marion Inc emit?

Covanta Marion Inc has modelled emissions of about 109,869 tonnes of CO₂ per year (Climate TRACE).

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