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Chokepoints
Mexico · asset class
Iron & Steel Plants in Mexico
Mexico has 15 iron & steel plants mapped on the OverWatts open energy atlas — the 16th-largest fleet of the 91 countries that hold any, and 1% of the world's mapped total. Of these, 15 operating.
The largest owner-operators are Ternium Argentina SA (4), Ternium México SA de CV (4) and Ternium SA (4) — Ternium Argentina SA alone is named on 27% of them. Half of Mexico's iron & steel plants in service predate 1993 (median commissioning year of the 13 with a known date), 1 came online in the past decade and the oldest still listed is Ternium Guerrero San Nicolás de los Garza steel plant, dating from 1943. They account for 2% of every energy asset OverWatts maps in Mexico.
On the interactive map
Who owns Mexico's iron & steel plants
- Ternium Argentina SA4 27%
- Ternium México SA de CV4 27%
- Ternium SA4 27%
- Aceros Especiales Simec Tlaxcala SA de CV2 13%
- DeAcero SAPI de CV2 13%
- Gerdau Corsa SAPI de CV2 13%
- Gerdau SA2 13%
- Grupo Córdova2 13%
Counts an asset once per company named as its owner or operator; a joint venture counts for each partner.
When they were built
- 1940s2
- 1950s1
- 1960s1
- 1980s2
- 1990s4
- 2000s1
- 2010s1
- 2020s1
Median commissioning year 1993 · oldest Ternium Guerrero San Nicolás de los Garza steel plant (1943) · newest Ternium Pesquería steel plant (2026) · 13 of 15 carry a start date
How Mexico compares · iron & steel plants by country
- 1. China458
- 13. Spain17
- 14. Indonesia16
- 15. Malaysia16
- 16. Mexico15
- 17. France14
- 18. Saudi Arabia14
- 19. Ukraine13
Frequently asked
- How many iron & steel plants are there in Mexico?
- OverWatts maps 15 iron & steel plants in Mexico — 1% of the world's mapped total, the 16th-largest national fleet of the 91 countries with any.
- Who owns the iron & steel plants in Mexico?
- Ternium Argentina SA is named as owner or operator on the most — 4 of 15 (27%). Next are Ternium México SA de CV (4), Ternium SA (4) and Aceros Especiales Simec Tlaxcala SA de CV (2).
- How old are Mexico's iron & steel plants?
- The median commissioning year is 1993, across the 13 in service with a known start date. The oldest still listed is Ternium Guerrero San Nicolás de los Garza steel plant (1943); 1 came online in the past ten years.