Skip to content

ArcelorMittal Montreal steel plant

operating

Contrecœur, North America, Canada

GEM wiki

Process Route

DRIEAF

Timeline

Operating since 1914

Emissions

2025

0.77 Mt CO₂e

0.47 t CO₂e per tonne of steel

Modelled estimate (Climate TRACE), not reported data. Methodology

Capacity (ttpa)

Crude Steel

2,400

EAF

2,400

DRI

1,650

Production

Crude steelproduction, GEM-compiled (Global Iron & Steel Tracker). Dashed line shows nominal capacity.

Iron Units

DRI
DRI 1operating
650 ttpasyngas (reformed methane) · capablewiki
DRI
DRI 2operating
1,000 ttpasyngas (reformed methane) · incapablewiki

Steel Units

EAF
EAF 3operating
900 ttpa141 twiki
EAF
EAF 4operating
900 ttpa141 twiki
EAF
unknown EAF (1)operating
600 ttpa98 twiki

Inputs & Energy

Iron ore ArcelorMittal Exploitation minere (northern Quebec)

Steel Products

wire rod, rebar, wire, bar, spring steel, forged, mesh, strings, cables

Ownership

Owner ArcelorMittal Long Products Canada GP

Parent ArcelorMittal SA [100.0%]

Workforce 1,900 employees

Country Context

Canada crude steel production (USGS). Plant line shows nominal capacity, not output.

Explore

Plant data sourced from the Global Iron & Steel Tracker (March 2026), Global Energy Monitor. Licensed under CC BY 4.0.

Production data: USGS Minerals Yearbook — Raw Steel: World Production by Country or Locality (2019 edition; 2022 and 2023 early release tables). U.S. Geological Survey, public domain. EAF/BOF splits: USGS Minerals Yearbook (2023 estimates).

Facility emissions estimates from Climate TRACE. Licensed under CC BY 4.0.