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Domtar - Windsor

Biomass power plant in Quebec, Canada. Approximate location 45.5658, -71.981.

BiomassQuebecCanada

Domtar - Windsor is a 30 MW biomass power plant in Quebec, Canada. It is operated by Domtar Inc. Based on its capacity (estimated), it can supply roughly 41,297 homes (estimated). It ranks #440 of 1,159 Canada power plants by installed capacity. In context, biomass supplies about 1.6% of Canada's electricity; the national grid averages 191 gCO₂/kWh (77.0% low-carbon) (2025).

30MW installed capacity
41,297homes powered (est.)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id CAN0007815.

Capacity vs largest biomass plants in Canada

Atikokan-G1: 215 MW215Atikokan-G1Thunderbay G3: 135 MW135Thunderbay…AlPac Boyle: 125 MW125AlPac BoyleHowe Sound Pulp & Paper Corp: 112 MW112Howe Sound…Gold River: 90 MW90Gold RiverZellstoff Celgar Mill: 78 MW78Zellstoff …Domtar Pulp Mill (Kamloops): 76 MW76Domtar Pul…Williams Lake: 68 MW68Williams L…

Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).

Owner

Operated by Domtar Inc. All plants by this company →

Local climate & thermal context

This biomass plant burns organic material (wood, residues) to raise steam for a turbine. It sits in a warm-summer humid continental climate (Köppen Dfb) — Northern Hemisphere, latitude 45.6°N — which shapes how much energy it can produce and how its output varies through the year.

5.2°Cannual mean temp
4,696heating degree-days (base 18°C)
62cooling degree-days (base 18°C)
217 melevation

Monthly mean temperature

J: -11 °CJF: -10 °CFM: -3 °CMA: 4 °CAM: 12 °CMJ: 17 °CJJ: 20 °CJA: 18 °CAS: 14 °CSO: 7 °CON: 1 °CND: -7 °CD20 °C

Heating degree-days here run 91% 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: 92/100 — 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 #29 largest biomass power plant of 111 in Canada by capacity.

Canada has 111 biomass power plants in this dataset, together about 2,742 MW of capacity.

Nearby power plants

Location

Coordinates 45.5658, -71.981 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

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