Grande Baie aluminium plant

Grande Baie aluminium plant is an aluminium smelter in Canada with a reported capacity of 236,000 t of alumina/aluminum. It smelts alumina into primary aluminium by high-current electrolysis. It is operated by Rio Tinto Ltd. By capacity it ranks #9 of 11 aluminium smelters tracked in Canada. It emits about 501,533 tonnes of CO₂e per year (Climate TRACE) — roughly the tailpipe emissions of 116,907 cars.

Facility data: Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0), id ct-3672965.

W kontekście: jak ta instalacja się porównuje

Przy 236,000 t of alumina/aluminum, Grande Baie aluminium plant jest poniżej medianę aluminium smelter w Canada (314,000 t of alumina/aluminum). Podsektor: aluminum. Jako aluminium smelter, wymaga intensywnego ciepła procesowego (typowo 600–900°C) do swoich głównych operacji przemysłowych — ciepła, które musi być dostarczane przez kotły, piece lub spalanie bezpośrednie, a straty przez nieisolowane zbiorniki i rury stanowią zmarnowane paliwo. Modułowa izolacja demontowalna może zmniejszyć te straty o 80–96%, chłodząc powierzchnie do ≤45°C, z zwrotem inwestycji często poniżej 2 lat. Huty aluminium używają dużych prądów elektrycznych do rafinacji tlenku glinu w stopiony aluminium powyżej 900°C, a metal w stanie gorącym musi płynąć przez tygle i urządzenia do odlewania.

Porównanie pojemności i intensywności CO₂ obliczane na podstawie danych instalacji przemysłowych Climate TRACE; rola sektora oparta na odniesieniau inżynierskim.

What 501,533 t CO₂e a year looks like

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

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

Capacity vs largest aluminium smelters in Canada

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

Operator

Operated by Rio Tinto Ltd. All facilities by this operator →

Local climate

Grande Baie aluminium plant sits in a subarctic (boreal) climate zone (Köppen Dfc), at 48.3°N in the northern hemisphere.

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

How it compares & nearby sites

The #9 largest of 11 aluminium smelters in Canada by reported capacity.

Nearby industrial sites

• Laterrière aluminium plant · Aluminium Smelter · 552,536 t CO₂
• Arvida aluminium plant · Aluminium Smelter · 493,032 t CO₂
• Alma aluminium plant · Aluminium Smelter · 1,020,066 t CO₂
• Valero Jean-Gaulin Refinery · Refinery · 2,459,580 t CO₂
• Rolland Enterprises Inc. - Breakey Fibres Division · Pulp & Paper Mill · 88,433 t CO₂
• Saint Basile Cement Plant · Cement Plant · 615,898 t CO₂

Location

Coordinates 48.30615, -70.92606. View on OpenStreetMap.

Heat loss & insulation profile

A aluminium smelter like this runs hot equipment that sheds heat continuously: alumina calciner, casthouse furnaces, hot ducting (electrolysis itself is electric) (surface/process temperatures around 150–1,000 °C). These surfaces lose energy to the air year-round; removable modular insulation cuts that loss, brings outer surfaces to ≤45 °C, and unclips for inspection.

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

Indicative recoverable energy

On an already-insulated site (pipes & valves in cladding / jackets), closing the remaining gaps, flanges and damaged sections and switching to removable covers indicatively recovers about 2,100 MWh/yr (≈ 420 t CO₂/yr) — scaled to this site's reported CO₂ within its sector. Bare or damaged surfaces recover several times more.

See Inzonex insulation → Estimate your site →

Indicative, not a measurement. Conservative floor for an already-insulated plant; a TIPCHECK on-site audit gives a measured figure. Industry context: EiiF TIPCHECK — industrial insulation can save ~14 Mtoe/yr in EU, payback typically <2 years.

Safety & the no-regret first step

Bare hot surfaces here exceed the touch-safe limit (EN ISO 13732-1); insulation to ≤45 °C is a worker-safety and compliance win. And before electrification, fuel-switching or CCS, eliminating surface heat loss is the cheapest, fastest, lowest-risk step — audit the bare spots first, rip-and-replace later.

External climate finance your country can access

Domestic energy-efficiency grants are limited here; industrial decarbonisation is mainly funded externally:

• Japan JCM (Joint Crediting Mechanism) — Japan co-finances diffusion of decarbonising tech incl. INDUSTRIAL ENERGY EFFICIENCY in partner countries, in exchange for carbon credits. Channels: MOEJ model projects, ADB trust funds, NEDO demonstrations.
• UK International Climate Finance (ICF / ODA) — ~GBP 6bn ODA over 3 yrs; industrial-decarbonisation flows via Climate Investment Funds (CIF) - Clean Technology Fund.
• Green Climate Fund (GCF) + ADB / World Bank / UNIDO — Concessional finance & grants for industrial energy efficiency. E.g. GCF $200M ADB-led India Green Finance Facility; World Bank FP071 'Scaling Up Energy Efficiency for Industrial Enterprises in Vietnam'; ASEAN ACGF energy-efficiency revolving funds incl. SMEs.

Routed via national development banks / accredited entities — not a direct factory grant. Verified 2026.

Frequently asked questions