China Delays Review of ENAMI-Rio Tinto Lithium Project

China Delays Review of ENAMI-Rio Tinto Lithium Project

Jonathan Stroud 07-Aug-2026
China's delayed antitrust review pushes back approval for ENAMI and Rio Tinto's $3 billion lithium project, delaying development timelines.

Chile's state-owned mining company ENAMI has confirmed that China's antitrust review of its planned lithium partnership with Rio Tinto will take several more months than initially anticipated. The delay affects regulatory approval for the Salares Altoandinos lithium project, a major investment expected to strengthen Chile's role in the global battery materials supply chain.

Speaking before Chilean lawmakers, ENAMI Executive Vice President Juan Carlos Saez stated that the Chinese competition authority has postponed its decision beyond the original July or August timeline. While the review has not been rejected, the regulatory process has taken longer than expected, extending the waiting period before the joint venture can move ahead.

Saez emphasized that once Chinese approval is obtained, ENAMI and Rio Tinto will immediately advance the development of the Salares Altoandinos project. The venture represents an investment exceeding USD 3 billion and is considered one of Chile's most significant upcoming lithium developments.

The project is designed to support the rising global demand for lithium, which continues to expand due to rapid growth in electric vehicle production, battery manufacturing, and renewable energy storage systems. Chile remains one of the world's leading lithium-producing nations, making the project strategically important for both domestic economic development and international supply security.

According to ENAMI's current plans, commercial production is expected to begin in 2032. During the initial phase, the project will produce approximately 35,000 metric tons of lithium annually. Output is projected to increase steadily over the following three years, ultimately reaching an annual production capacity of 75,000 metric tons. This gradual ramp-up is intended to ensure operational efficiency while supporting long-term market demand.

Although the regulatory delay may postpone certain planning milestones, ENAMI has not indicated any change to the project's long-term objectives. The company remains committed to developing the resource alongside Rio Tinto once all required approvals are in place.

The postponement highlights the importance of international regulatory reviews for large cross-border mining investments, particularly those involving critical minerals such as lithium. As governments worldwide seek secure and diversified supplies of battery raw materials, projects of this scale continue to attract close scrutiny from competition authorities.

Once approved, the Salares Altoandinos project is expected to become a significant contributor to global lithium supply, reinforcing Chile's position in the energy transition and providing additional feedstock for the rapidly expanding battery manufacturing industry.

Impact on the Product

The delayed regulatory approval postpones the addition of new lithium supply from the Salares Altoandinos project, potentially tightening long-term market availability. While current lithium supply remains unaffected, battery manufacturers and EV producers may face a slower expansion of future raw material availability. The project's eventual completion will significantly increase lithium production capacity, supporting long-term demand growth and improving supply security for the global battery value chain.

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