Skip to content

Algoma steel plant

operating

Sault Ste. Marie, North America, Canada

ISO 14001
GEM wiki

Process Route

EAF

Timeline

Operating since 1901

Emissions

2025

4.26 Mt CO₂e

1.27 t CO₂e per tonne of steel

Typical EAF route: 0.5–0.7 t/t

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

Capacity (ttpa)

Crude Steel

1,850

EAF

1,850

Production

Ironproduction, GEM-compiled (Global Iron & Steel Tracker).

Iron Units

BF
BF 6retired
1,000 ttpa1270 m³ · relined 2008Arthur McKeewiki
BF
BF 7retired
2,800 ttpa2478 m³ · relined 2007Ashmore Benson Pease Companywiki

Steel Units

EAF
EAF 1construction
1,850 ttpa250 tDanieliwiki
EAF
EAF 2operating
1,850 ttpa250 tDanieliwiki
BOF
unknown BOF (1)retired
1,850 ttpawiki
BOF
unknown BOF (2)retired
1,850 ttpawiki

Inputs & Energy

Power Ontario electricity grid; Lake Superior Power project upgrade with gas-fired turbines

Met coal Mines in Appalachia

Steel Products

cold rolled, sheet, plate, hot rolled

Ownership

Owner Algoma Steel Group Inc

Parent Algoma Steel Group Inc [100.0%]

Workforce 2,780 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.