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Seneca Sustainable Energy LLC

Waste power plant in Oregon, United States of America. Approximate location 44.1163, -123.179.

WasteOregonUnited States of America

Seneca Sustainable Energy LLC is a 20 MW waste power plant in Oregon, United States of America. It is operated by Seneca Sustainable Energy LLC. Based on reported annual generation of 115 GWh, it can supply roughly 33k homes. It ranks #4887 of 10,938 United States of America power plants by installed capacity. Commissioned in 2011, it is around 15 years old — relatively modern. In context, the national grid averages 384 gCO₂/kWh (43.0% low-carbon) (2025).

20Source-backed capacity
115GWh reported / yr
32,742homes powered
2011commissioned (~15 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0057457.

Data status

Known data

FacilitySeneca Sustainable Energy LLC WRI
CountryUnited States of America · Oregon WRI
Coordinates44.1163, -123.179 WRI
FuelWaste WRI
MW installed capacity20 MW WRI source record; scope not independently normalised
OwnerSeneca Sustainable Energy LLC WRI
Commissioned2011 WRI
GWh reported / yr115 GWh/yr WRI

Calculated from dataset

Capacity rank in country#4887 of 10938 calculated
Fuel-specific rank in country#153 of 551 calculated
Capacity vs country/fuel peers3.00× · 7 MW median · 551 peers calculated
Homes-powered equivalent32,742 calculated from reported generation
Climate11.7°C · HDD 2,364 derived from coordinates
Environmental severityC3 · 28/100 derived from coordinates

Not available

TechnologyNot available not in dataset
GWh reported / yrNot available not in dataset
CO₂ emissionsNot 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 20 MW, Seneca Sustainable Energy LLC 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.

Reported generation trend

2013: 114 GWh20132014: 117 GWh20142015: 115 GWh20152016: 118 GWh20162017: 118 GWh20172018: 119 GWh20182019: 115 GWh2019119 GWh

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

Owner

Operated by Seneca Sustainable Energy LLC.

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 44.1°N — which shapes how much energy it can produce and how its output varies through the year.

11.7°Cannual mean temp
2,364heating degree-days (base 18°C)
93cooling degree-days (base 18°C)
158 melevation

Monthly mean temperature

J: 5 °CJF: 7 °CFM: 8 °CMA: 10 °CAM: 13 °CMJ: 16 °CJJ: 19 °CJA: 20 °CAS: 17 °CSO: 12 °CON: 8 °CND: 5 °CD20 °C

Heating degree-days here run 4% below 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: 49/100 — 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 moderately corrosive environment (estimated ISO 9223 class C3 — Medium), with humidity / wetness the leading environmental stress.

C3ISO 9223 corrosivity (indicative)
28/100environmental-severity index
14.8°Cseasonal temperature swing
117 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 #153 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 44.1163, -123.179 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Seneca Sustainable Energy LLC?

Seneca Sustainable Energy LLC is a 20 MW source-record waste power plant in Oregon, United States of America, commissioned in 2011.

How much electricity does Seneca Sustainable Energy LLC generate?

Seneca Sustainable Energy LLC generates about 115 GWh of electricity per year.

How many homes can Seneca Sustainable Energy LLC power?

Its output is enough to supply roughly 32,742 homes.

Who operates Seneca Sustainable Energy LLC?

Seneca Sustainable Energy LLC is operated by Seneca Sustainable Energy LLC.

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