St. Jean de Maurienne aluminium plant — France

St. Jean de Maurienne aluminium plant is an aluminium smelter in France. Its listed capacity is 150,000 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. By capacity it ranks #2 among 7 aluminium smelters in France. It emits about 324,411 t CO₂e a year from Climate TRACE. That is 0.61% of the CO₂e from the 117 facilities in France that have an emissions figure in IndustryAtlas.

Facility data: Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0), id ct-3673057.

In context: how this facility compares

At 150,000 t of alumina/aluminum, St. Jean de Maurienne aluminium plant is well above the median aluminium smelter in France (28,000 t of alumina/aluminum). Subsector: aluminum. As aluminium smelter, it requires high process heat (typically 600–900°C) for its core industrial operations, supplied by boilers, furnaces or direct combustion. 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 324,411 t CO₂e a year looks like

This facility's estimated annual CO₂e (Climate TRACE, modelled) in 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 France

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

Local climate

St. Jean de Maurienne aluminium plant sits in a subpolar oceanic climate zone (Köppen Cfc), at 45.3°N in the northern hemisphere.

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

Site climate & environmental severity

This site sits in a mild atmospheric environment (estimated ISO 9223 class C2 — Low), with humidity / wetness the leading environmental stress.

In this site’s local climate, a bare 150 °C surface sheds about 1487 W/m² to ambient — roughly 1.14× the loss at a 20 °C reference. 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).

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 #2 largest of 7 aluminium smelters in France by listed capacity (Climate TRACE).

Nearby industrial sites

• TRIMET · Metals Plant · 265,000 t CO₂
• TRIMET FRANCE SAS · Metals Plant · 261,000 t CO₂
• FERROPEM GROUPE FERROATLANTICA · Metals Plant · 190,000 t CO₂
• FERROPEM · Metals Plant · 211,000 t CO₂
• Savoie Department · Aluminium Smelter · 2,463 t CO₂
• FERROPEM · Metals Plant · 192,000 t CO₂

Location

Coordinates 45.27034, 6.37495. View on OpenStreetMap.

Frequently asked questions