Cauchari-Olaroz Gets a $1.24B Green Light

Argentina approved Lithium Argentina's $1.24B Cauchari-Olaroz Stage 2 expansion, set to add 45,000 tpa of lithium carbonate capacity in Jujuy Province

18 Jun 2026

Argentina granted regulatory approval in May 2026 for a $1.24 billion expansion of the Cauchari-Olaroz lithium project in Jujuy Province, a decision that analysts said could materially strengthen the country's position as a supplier of battery-grade materials. Economy Minister Luis Caputo announced the approval following a final technical review by the RIGI Evaluation Committee. Formal government resolution is expected by June 2026.

Stage 2 of the Cauchari-Olaroz project targets an additional 45,000 tonnes per annum of lithium carbonate equivalent, building on an existing 40,000 tpa operation already running at the site. Combined capacity would reach 85,000 tpa, placing it among the larger lithium brine operations in South America. Joint venture partner Ganfeng Lithium brings processing expertise and financial scale to the build, according to company statements.

RIGI, Argentina's large-investment incentive regime, was designed to attract capital-intensive, export-oriented development. Approval of a project at this scale suggests the framework is operating as intended, offering investors in the country's reform-minded economic program a concrete data point. Officials have indicated that construction planning is already advancing ahead of the formal resolution.

Yet the implications extend well beyond the balance sheet of a single company. Expanding domestic lithium carbonate output at this scale deepens Argentina's presence within the so-called Lithium Triangle alongside Chile and Bolivia, giving battery-supply-chain buyers a broader sourcing base at a moment when demand for critical minerals remains elevated. Electric vehicle manufacturers and grid storage developers stand to benefit from the additional supply, analysts said.

With formal resolution imminent, the Cauchari-Olaroz expansion could anchor Argentina's lithium growth strategy well into the next decade, shaping both investor confidence in the RIGI framework and the country's longer-term role in global critical mineral markets.