12. March 2026
Rio Tinto Unveils 117 Billion Plan To Unlock Argentinas Lithium Riches

Rio Tinto’s Lithium Ambition Takes Shape with $1.17 Billion Financing Package for Argentina’s Rincon Project
Rio Tinto has secured a financing package worth $1.17 billion to advance the Rincon lithium project in Salta Province, Argentina, solidifying its position as a leader in the growing battery metal sector.
The Rincon project aims to produce approximately 60,000 tonnes per annum (tpa) of high-quality lithium carbonate, with this latest funding package enabling progress towards its goal of becoming a top-tier lithium producer.
The financing package, comprising $1.17 billion from the International Finance Corporation (IFC), Export Finance Australia (EFA), IDB Invest, and the Japan Bank for International Cooperation (JBIC), represents a substantial endorsement of Rio Tinto’s vision for the Rincon project, enabling completion of key infrastructure development activities, including camp and site expansion.
“We are thrilled with the strong support from our new partners, IFC, IDB Invest, Export Finance Australia, and JBIC,” said Jérôme Pécresse, Rio Tinto’s aluminium and lithium chief executive. “This financing package broadens our funding sources for the Rincon project and supports the continued execution of our lithium growth pipeline.”
Argentina’s vast lithium reserves and strategic location in South America make the Rincon project hold immense potential. The country has been promoting its lithium industry to attract foreign investment, with several major companies committing significant resources to developing its lithium capabilities.
The Rincon project timeline is expected to unfold over several years, with construction commenced last year and planned production commencement in 2028. Over the course of its planned lifespan, which spans 40 years, the Rincon lithium facility is expected to produce approximately 2.4 million tonnes of battery-grade lithium carbonate.
Rio Tinto’s aluminium and lithium operations will benefit from the successful development of the Rincon project, as it expands its presence in emerging markets and meets growing demand for lithium-ion batteries used in electric vehicles and renewable energy systems.
The Rincon project has significant implications for the broader energy transition landscape. As the world transitions towards a low-carbon economy, lithium-ion batteries are becoming an essential component of the global energy mix. Large-scale lithium mines like the Rincon project will be crucial in ensuring a reliable supply of this critical battery metal.
Rio Tinto’s investment in the Rincon project is part of its ongoing efforts to expand its presence in the lithium sector. In January, the company approved a $354.61 million investment for the Zulti South project at Richards Bay Minerals (RBM) in South Africa, lifting a suspension that had been in effect since January 2020.
This investment will enable RBM to extend the mine’s operational life until 2050, maintaining production and ensuring the continued supply of high-quality aluminium. The significance of these investments cannot be overstated, as companies like Rio Tinto are well-positioned to capitalize on emerging opportunities in the battery metal sector.
The recent shift in US tariffs has left many investors wondering how this will impact global trade dynamics. However, with strategic investments like those made by Rio Tinto, companies can navigate complex regulatory landscapes and maintain their competitiveness.
Rio Tinto’s securing of a $1.17 billion financing package for the Rincon lithium project marks an important milestone in the company’s ambition to become a top-tier lithium producer. With this significant investment, Rio Tinto is well-positioned to capitalize on emerging opportunities in the battery metal sector, further solidifying its position as a leader in the growing energy transition landscape.
The development of large-scale lithium mines like the Rincon project will be crucial in ensuring a reliable supply of this critical battery metal, as governments worldwide implement policies aimed at reducing greenhouse gas emissions. Companies like Rio Tinto are poised to play a leading role in shaping the future of the global energy mix.
As the company continues to execute its lithium growth pipeline, it will be essential to monitor developments in global trade policies and adjust its strategy accordingly. With its significant presence in emerging markets and substantial investment in lithium capabilities, Rio Tinto is well-positioned to navigate complex regulatory landscapes and maintain its competitiveness.
The successful development of the Rincon project will have far-reaching implications for Rio Tinto’s aluminium and lithium operations, as it expands its presence in emerging markets and meets growing demand for lithium-ion batteries used in electric vehicles and renewable energy systems.