Despegue Proyectos Proyecto RIGI ESEN
up to date · reviewed Aug 19, 2026
Steelmaking - Long steel products/Buenos Aires
approved

Sidersa Argentine Steel Project — long steel products

total investment in the act
286USD M

New long-steel plant — the first steel mill built in the country in over 50 years according to the official portal — with state-of-the-art technology, lower CO2 emissions and circular-economy-based production. Theoretical capacity: 360,000 t/yr (norm summary). Official portal: 3,800 jobs (direct and indirect).

operator
SIDERSA ACERIA S.D.E.
approving act
Resolución 1028/2025
Summary
share among the 22 approved RIGI projects we tracktotal USD 33,041 M
Sidersa Argentine Steel Project0.9%
the other 21USD 32,755 M

The projectwhat it is, the route, the owners, the works and the contractors

Who owns it

SIDERSA ACERIA S.D.E. (VPU, CUIT 33-71879284-9) verif · Jul 22, 2025

We have not worked on this yet · 2 blocks
  • The works, milestone by milestone — We have not built this project’s timeline. Dated milestones with their source close it.
  • Who already has a contract — We have not surveyed this project’s awards. A published contract with its source closes them.

How to supply itwhere to register, what they ask for and what they will buy

We have not worked on this yet · 2 blocks
  • How to become a supplier — We have not built this project’s entry map. It is our gap, not a prohibition: it closes by opening the provincial register and the operator’s single window.
  • What it will buy, and when — We have not built this project’s phase → demand chain: its schedule still has to be crossed with the province’s catalogue of markets and trades.
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What it leaves in Buenos Airesjobs, works, taxes, promises and the outlook

We have not worked on this yet · 3 blocks
  • The works that stay behind — We have not surveyed this project’s permanent works. A published size with its source closes them.
  • What it already pays in taxes and royalties — We have not broken down this project’s local fiscal contribution: the primary source that sets each item still has to be opened, and an act of the State is not published on press backing.
  • Who promised what — We have not surveyed the public promises about this project. A dated, verifiable commitment with its source closes them.

What could stall itrisks and how to track them

We have not worked on this yet · 2 blocks
  • What could stall it — We have not documented this project’s risks. An identifiable vector with its source closes them.
  • How to tell whether it is advancing — We have not defined this project’s indicators: what observable fact marks its progress still has to be identified.

How we verified thisthe act, the gaps and the sources

The RIGI act, in detail

Accession date

May 30, 2025 verif · Jul 22, 2025

The act’s articles, in detail

1 facts on the commitment
Vehículo de Proyecto Único

SIDERSA ACERÍA S.D.E., tax ID 33-71879284-9. verif · Jul 22, 2025

How to read the seals →   verif primary source · prob primary source pending · unconf not sufficiently backed · estim our own calculation · thesis our reading
Fact sheet built on primary sources, with the gaps declared. Back to the RIGI pipeline