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S D Warren Westbrook

Waste power plant in Maine, United States of America. Approximate location 43.6849, -70.3532.

WasteMaineUnited States of America

S D Warren Westbrook is a 70 MW waste power plant in Maine, United States of America. It is operated by S D Warren Co.- Westbrook. Based on reported annual generation of 111 GWh, it can supply roughly 31,685 homes. It ranks #2398 of 9,833 United States of America power plants by installed capacity. Commissioned in 1976, it is around 50 years old — long-established. In context, the national grid averages 384 gCO₂/kWh (43.0% low-carbon) (2025).

70MW installed capacity
111GWh reported / yr
31,685homes powered
1976commissioned (~50 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0050447.

Reported generation trend

2013: 222 GWh20132014: 179 GWh20142015: 145 GWh20152016: 106 GWh20162017: 115 GWh20172018: 117 GWh20182019: 111 GWh2019222 GWh

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

Owner

Operated by S D Warren Co.- Westbrook.

Local climate & thermal context

This waste plant recovers energy by combusting municipal or industrial waste. It sits in a warm-summer humid continental climate (Köppen Dfb) — Northern Hemisphere, latitude 43.7°N — which shapes how much energy it can produce and how its output varies through the year.

8.0°Cannual mean temp
3,779heating degree-days (base 18°C)
138cooling degree-days (base 18°C)
15 melevation

Monthly mean temperature

J: -5 °CJF: -4 °CFM: 1 °CMA: 7 °CAM: 12 °CMJ: 17 °CJJ: 20 °CJA: 20 °CAS: 15 °CSO: 10 °CON: 4 °CND: -2 °CD20 °C

Heating degree-days here run 54% 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: 81/100 — this site sits in the top 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.

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 #32 largest waste power plant of 541 in United States of America by capacity.

United States of America has 541 waste power plants in this dataset, together about 9,768 MW of capacity.

Nearby power plants

Location

Coordinates 43.6849, -70.3532 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

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