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Ternium Guerrero San Nicolás de los Garza steel plant

operating

San Nicolás de los Garza, North America, Mexico

ISO 14001ISO 50001
GEM wiki

Process Route

DRIEAF

Timeline

Operating since 1943

Emissions

2025

0.69 Mt CO₂e

0.72 t CO₂e per tonne of steel

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

Capacity (ttpa)

Crude Steel

2,400

EAF

2,400

DRI

1,730

Production

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

Iron Units

DRI
DRI 3M5operating
780 ttpagas (unknown type) · capableTenova/Danieliwiki
DRI
DRI 4Moperating
950 ttpagas (unknown type) · capableTenova/Danieliwiki

Steel Units

EAF
EAF 1operating
1,137 ttpa180 tFuchswiki
EAF
EAF 2operating
1,263 ttpa200 tDanieliwiki

Inputs & Energy

Iron ore Ternium Mexico mining operations

Steel Products

coil, profile

Ownership

Owner Ternium México SA de CV

Parent unknown [10.8%]; Ternium Argentina SA; Ternium SA

Country Context

Mexico 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.