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Bécancour aluminium plant

Aluminium Smelter in Canada. Approximate location 46.38311, -72.38474.

Aluminium SmelterCanadaCO₂ reported

Bécancour aluminium plant is an aluminium smelter in Canada with a reported capacity of 413,000 t of alumina/aluminum. Aluminium smelters use large electric currents to refine alumina into molten aluminium above 900°C, and the hot metal must flow through crucibles and casting equipment. It is operated by Aluminerie de Bécancour Incorporée . By capacity it ranks #5 among 11 aluminium smelters in Canada. It emits about 877,682 t CO₂e a year from Climate TRACE, roughly comparable to the annual emissions of 205k passenger cars.

413,000t of alumina/aluminum
877,682t CO₂e / yr (Climate TRACE)
#26CO₂ rank in Canada
2.13t CO₂ per capacity unit

Facility data: Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0), id ct-3672961.

Data status

Known source data

FacilityBécancour aluminium plant Climate TRACE
CountryCanada Climate TRACE
Coordinates46.38311, -72.38474 Climate TRACE
Sector / subsectoraluminum Climate TRACE
Reported capacity413,000 t of alumina/aluminum Climate TRACE
Owner / operatorAluminerie de Bécancour Incorporée Climate TRACE
Modelled CO₂e877,682 t/yr Climate TRACE

Calculated from the dataset

Canada rank#26 of 127 · top 20.5% calculated
Global aluminum rank#106 of 257 · top 41.2% calculated
Climate contextderived from coordinates calculated

Not available

Fuel typeNot available not in dataset
Thermal capacity (MW)Not available not in dataset

Source data, measured cross-checks and calculated values are kept separate. No confidence percentage is invented.

Similar facilities by modelled emissions

Same Climate TRACE subsector; closest non-placeholder modelled CO₂e values. Russia and Belarus excluded.

Operating power plants within 50 km

PowerAtlas operating assets, ordered by great-circle distance from published coordinates.

In context: how this facility compares

At 413,000 t of alumina/aluminum, Bécancour aluminium plant is well above the median aluminium smelter in Canada (314,000 t of alumina/aluminum). Subsector: aluminum. As aluminium smelter, it requires high process heat (typically 600–900°C) for its core industrial operations — heat that must be supplied by boilers, furnaces or direct combustion, and losses through uninsulated vessels and piping represent wasted fuel. Removable modular insulation can cut those losses by 80–96%, surface-cooling equipment to ≤45°C, with payback often under 2 years. Aluminium smelters use large electric currents to refine alumina into molten aluminium above 900°C, and the hot metal must flow through crucibles and casting equipment.

Capacity & CO₂-intensity comparison computed from Climate TRACE industrial facilities data; sector role based on engineering reference.

What 877,682 t CO₂e a year looks like

This facility's reported annual CO₂e in everyday equivalents from the US EPA Greenhouse Gas Equivalencies calculator:

205kcars driven for a year
114khomes' annual energy use
15 milliontree seedlings grown 10 years

Equivalencies: US EPA Greenhouse Gas Equivalencies. Emissions: Climate TRACE.

Carbon cost, Scope 1 & decarbonization potential

At its reported 878k t CO₂e/yr (Scope 1), Bécancour aluminium plant carries no domestic carbon price — and as a CBAM-covered product, its 878k t at the EU CBAM rate (€75/t) is €66.1M/yr of exposure on EU-bound exports. CBAM share rises from 2.5% (2026) to 100% by 2034. The fastest decarbonization lever is energy efficiency: eliminating heat loss on hot equipment (removable insulation, steam & waste-heat recovery) typically cuts 2–5% of fuel-related CO₂ — here ≈18k t–44k t/yr, worth €1.3M€3.3M, with payback up to 2 years. No domestic carbon price — but cement, steel, aluminium, fertilizer and hydrogen exported to the EU face CBAM at €75/t (rising to 100% by 2034).

878k t CO₂e / yrScope 1 emissions
€66.1M/yrCBAM exposure on EU exports
18k t–44k t/yr ≈ €1.3M€3.3MDecarbonization potential

Carbon price: EU CBAM €75/t · EU ETS €79/t, July 2, 2026, refreshed live via Carbon Hub. CO₂: Climate TRACE. Efficiency range: US DOE / ASTM C680 (method). Indicative carbon value, not the cash bill — free allocation applies; not compliance advice. Estimate the saving for this site →

Capacity vs largest aluminium smelters in Canada

Sept-Îles aluminium plant: 630,000 t of alumina/aluminum630kSept-Îles …La Haute-Gaspésie Regional County Municipality: 500,378 t of alumina/aluminum500kLa Haute-G…Alma aluminium plant: 480,000 t of alumina/aluminum480kAlma alumi…Kitimat aluminium plant: 435,000 t of alumina/aluminum435kKitimat al…Bécancour aluminium plant: 413,000 t of alumina/aluminum413kBécancour …Baie Comeau aluminium plant: 314,000 t of alumina/aluminum314kBaie Comea…Deschambault aluminium plant: 290,000 t of alumina/aluminum290kDeschambau…Laterrière aluminium plant: 260,000 t of alumina/aluminum260kLaterrière…

Reported capacity (t of alumina/aluminum), Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0).

Operator

Operated by Aluminerie de Bécancour Incorporée .

Local climate

Bécancour aluminium plant sits in a warm-summer humid continental climate zone (Köppen Dfb), at 46.4°N in the northern hemisphere.

~6°Ctypical annual mean
~19°Ctypical warm-season
Warm-summer humid continental: four distinct seasons — cold winters and warm summers

Köppen zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid).

Site climate & environmental severity

The local climate sets how fast unprotected steel, protective coatings and the insulation on hot process equipment degrade at this site. It sits in a mild atmospheric environment (estimated ISO 9223 class C2 — Low), with thermal cycling the leading environmental stress.

C2ISO 9223 corrosivity (indicative)
32/100environmental-severity index
31.9°Cseasonal temperature swing
358 kmdistance to coast
LowCUI risk tier

In this site’s local climate, a bare 150 °C surface sheds about 1454 W/m² to ambient — roughly 1.12× the loss at a 20 °C reference; removable insulation recovers about 1381 W/m² of that. Reference-surface calculation at a 150 °C surface from WorldClim climate normals (ASTM C680 / ISO 12241) — an indicative per-climate comparison, not a measurement of this site’s specific equipment. Open method dataset: DOI 10.5281/zenodo.20787408 (CC BY 4.0).

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 sites

The #5 largest of 11 aluminium smelters in Canada by reported capacity.

Nearby industrial sites

Location

Coordinates 46.38311, -72.38474. View on OpenStreetMap.

Heat loss & insulation profile

For a aluminium smelter, the main modular-insulation targets are alumina calciner, casthouse furnaces, hot ducting (electrolysis itself is electric). Typical hot-surface ranges used for screening: 150–1,000 °C °C.

electrolysis is mostly electricity (Scope 2) + anode process; on-site combustion small - insulation mainly relevant to alumina refining/casthouse.

Indicative recoverable energy

A first-pass insulation screen suggests about 2,400 MWh/year of recoverable heat-loss reduction and about 470 t CO₂e/year of avoided emissions. Screening estimate scaled from installed process-heat projects and surface-temperature reduction data.

See Inzonex Modular Insulation → Run the calculator →

Screening calculation from facility class, capacity and open emissions/energy context. Engineering survey required before procurement.

Safety & the no-regret first step

Start with a thermal survey of valves, flanges, doors and bends. Removable modular insulation keeps maintenance access open while lowering exposed-surface temperature and wasted heat.

External climate finance your country can access

For energy-efficiency projects around process heat, likely external funding channels include:

Sources: country climate-finance facilities and public development-bank programmes.

Frequently asked questions

What type of facility is Bécancour aluminium plant?

Bécancour aluminium plant is a aluminium smelter in Canada. Aluminium smelters use large electric currents to refine alumina into molten aluminium above 900°C, and the hot metal must flow through crucibles and casting equipment.

What capacity is reported for Bécancour aluminium plant?

The open dataset reports 413,000 t of alumina/aluminum of capacity for Bécancour aluminium plant.

How much CO₂ does Bécancour aluminium plant emit?

The page uses about 877,682 t CO₂e/year from the open dataset It ranks #26 among facilities in Canada by reported CO₂.

Where is Bécancour aluminium plant located?

Bécancour aluminium plant is in Canada at approximately 46.38311, -72.38474.

Who operates Bécancour aluminium plant?

The operator recorded in the open dataset is Aluminerie de Bécancour Incorporée .

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