Despegue Salta Proyecto RIGI ESEN
up to date · reviewed Aug 30, 2026
Mining - Lithium (battery-grade carbonate)/Salta
approved

Rincón Project — lithium carbonate (Rio Tinto)

total investment in the act
2.744USD M

The largest RIGI commitment in Argentine lithium: Rio Tinto is building a 53,000 tpa plant at the Salar de Rincón using DLE (nanofiltration). The first large-scale lithium project by a global diversified major in the country.

operator
Rincón Mining PTY LTD. Argentina Branch
approving act
Resolución 735/2025
what it will need
2procurement fronts
Summary
share among the 22 approved RIGI projects we tracktotal USD 33,041 M
Rincón Project8.3%
the other 21USD 30,297 M

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

Who owns it

Rincón Mining PTY LTD. Argentina Branch (CUIT 30-70708643-9; Rio Tinto subsidiary) verif · Jun 3, 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

How to become a supplier

We have not worked on this yet

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

Each phase buys different things at different times.

happening now2 phases

Stage 1 — 25,000 t/yr commercial plant

under way
Jul 9, 2024 → Dec 31, 2027

Verbatim from the act: «an investment of one billion six hundred fifty-three million US dollars (USD 1,653,000,000) for the first stage, to be executed between July 9, 2024 and December 31, 2027». The first export from the 25,000 t/yr plant is estimated for January 2028 and is what defines start-up for the purposes of the regime.

Stage 2 — Rincón Full Potential, up to 53,000 t/yr

under way
2026 → 2029

Verbatim: «six hundred forty-six million US dollars (USD 646,000,000) for the second stage, to be executed between the years 2026 and 2029». Investment plan from admission: USD 516,963,963 in the first year and USD 776,547,631 in the second.

Looking for work rather than to supply? What this project leaves the people of Salta (in Spanish)

What it will need and has no supplier for yet

tesisOur own reading of the project, not company-reported data.

Brine drilling and pumping + pond piping

high

The DLE operation demands well fields and continuous brine pumping at industrial scale.

Supplied bydrilling firms / pumping services

Export logistics along the Salta-to-Pacific-ports corridor

high

Carbonate exported to Asia leaves through Andean passes: high-altitude heavy transport and cargo consolidation are a structural bottleneck of the Puna.

Supplied byhauliers / logistics operators
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What it leaves in Saltajobs, works, taxes, promises and the outlook

How many jobs it creates

In construction

some 2,500 direct jobs during the construction stage direct construction jobs (whether this is a peak or an average is not published) unconf · Oct 26, 2025

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

Administrative file number

EX-2025-20445333-APN-SCEYM#MEC verif · Jun 3, 2025

Accession date

May 19, 2025 verif · Jun 3, 2025

The act’s articles, in detail

2 facts on the commitment
Deadline for the commitment

30 June 2029 to complete the minimum investment amount. verif · Jun 30, 2029

Vehículo de Proyecto Único

Rincón Mining PTY LTD. Sucursal Argentina, tax ID 30-70708643-9, registered at Manuela Sáenz 323, Apartment 613, Buenos Aires City. verif · Jun 3, 2025

What we could not confirm

There are 1 in this project. Each says why it could not be confirmed and what it would take to close it.

H-01The permanent operating workforce, and who stands behind the 2,500 construction jobs+

The only source found that gives the construction figure attributes it to no one, and gives no operating figure. Resolución 735/2025 does not publish employment.

What would close itThe supplier development plan filed with the RIGI, or a Rio Tinto release.
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 Salta