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ArcelorMittal Montreal steel plant

Steel Plant in Canada. Approximate location 45.83697, -73.25145.

Steel PlantCanadaCO₂ estimate (modelled)

ArcelorMittal Montreal steel plant is a steel plant in Canada. Its listed capacity is 2,400,000 t of steel. Steel plants burn coal in blast furnaces or use electric arcs to melt scrap; in both cases the molten metal must be kept above 1,500°C and transferred through extensive hot piping and vessels. It is operated by ArcelorMittal Long Products Canada GP. By capacity it ranks #4 among 5 steel plants in Canada. It emits about 933,302 t CO₂e a year from Climate TRACE, roughly comparable to the annual emissions of 218k passenger cars. Its CO₂ per unit of capacity is 58% below the national median for this sector.

2,400,000t of steel
933,302t CO₂e / yr (Climate TRACE)
#22CO₂ rank in Canada
0.39t CO₂ per capacity unit

Facility data: Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0), id ct-1566468.

Data status

Known source data

FacilityArcelorMittal Montreal steel plant Climate TRACE
CountryCanada Climate TRACE
Coordinates45.83697, -73.25145 Climate TRACE
Sector / subsectoriron-and-steel Climate TRACE
Reported capacity2,400,000 t of steel Climate TRACE
Owner / operatorArcelorMittal Long Products Canada GP Climate TRACE
GEM steel parentArcelorMittal SA [100.0%] Global Energy Monitor
Steel process routeintegrated DRI Global Energy Monitor
Steel asset statusoperating Global Energy Monitor
Steel equipmentDRI, EAF Global Energy Monitor
Steel capacity2,400 ktpa Global Energy Monitor
Modelled CO₂e933,302 t/yr Climate TRACE

Calculated from the dataset

Canada rank#22 of 127 · top 17.3% calculated
Global iron-and-steel rank#395 of 868 · top 45.5% 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 2,400,000 t of steel, ArcelorMittal Montreal steel plant is around the median steel plant in Canada (2,500,000 t of steel). Subsector: iron-and-steel. As steel plant, it requires high process heat (typically 800–1500°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. Steel plants burn coal in blast furnaces or use electric arcs to melt scrap; in both cases the molten metal must be kept above 1,500°C and transferred through extensive hot piping and vessels.

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

What 933,302 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:

218kcars driven for a year
122khomes' annual energy use
16 milliontree seedlings grown 10 years

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

Carbon cost, Scope 1 & decarbonization potential

At its reported 933k t CO₂e/yr (Scope 1), ArcelorMittal Montreal steel plant carries no domestic carbon price — and as a CBAM-covered product, its 933k t at the EU CBAM rate (€75/t) is €70.3M/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 ≈19k t–47k t/yr, worth €1.4M€3.5M, 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).

933k t CO₂e / yrScope 1 emissions
€70.3M/yrCBAM exposure on EU exports
19k t–47k t/yr ≈ €1.4M€3.5MDecarbonization 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 steel plants in Canada

ArcelorMittal Dofasco steel plant: 4,050,000 t of steel4.0MArcelorMit…Algoma steel plant: 3,200,000 t of steel3.2MAlgoma ste…Cleveland-Cliffs Lake Erie steel plant: 2,500,000 t of steel2.5MCleveland-…ArcelorMittal Montreal steel plant: 2,400,000 t of steel2.4MArcelorMit…Ivaco Rolling Mills steel plant: 650,000 t of steel650kIvaco Roll…

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

Operator

Operated by ArcelorMittal Long Products Canada GP.

Local climate

ArcelorMittal Montreal steel plant sits in a warm-summer humid continental climate zone (Köppen Dfb), at 45.8°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)
33/100environmental-severity index
31.9°Cseasonal temperature swing
373 kmdistance to coast
LowCUI risk tier

In this site’s local climate, a bare 150 °C surface sheds about 1446 W/m² to ambient — roughly 1.11× the loss at a 20 °C reference; removable insulation recovers about 1374 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 #4 largest of 5 steel plants in Canada by listed capacity (Climate TRACE).

Nearby industrial sites

Location

Coordinates 45.83697, -73.25145. View on OpenStreetMap.

Heat loss & insulation profile

For a steel plant, the main modular-insulation targets are reheat & annealing furnaces, ladles, hot-blast stoves, steam & gas ducting. Typical hot-surface ranges used for screening: 200–1,200 °C.

Indicative recoverable energy

A first-pass insulation screen suggests about 4,200 MWh/year of recoverable heat-loss reduction and about 1,400 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 ArcelorMittal Montreal steel plant?

ArcelorMittal Montreal steel plant is a steel plant in Canada. Steel plants burn coal in blast furnaces or use electric arcs to melt scrap; in both cases the molten metal must be kept above 1,500°C and transferred through extensive hot piping and vessels.

What capacity is listed for ArcelorMittal Montreal steel plant?

The open dataset lists 2,400,000 t of steel of capacity for ArcelorMittal Montreal steel plant.

How much CO₂ does ArcelorMittal Montreal steel plant emit?

The page uses about 933,302 t CO₂e/year from the open dataset It ranks #22 among facilities in Canada by estimated CO₂.

Where is ArcelorMittal Montreal steel plant located?

ArcelorMittal Montreal steel plant is in Canada at approximately 45.83697, -73.25145.

Who operates ArcelorMittal Montreal steel plant?

The operator recorded in the open dataset is ArcelorMittal Long Products Canada GP.

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