Rio Tinto Takes 53.9% of Nemaska Lithium, Plans $300M Invest, Quebec Adds $200M
Rio Tinto has acquired a 53.9% majority stake in Nemaska Lithium, securing direct management control and planning to inject over $300 million into the Bécancour lithium hydroxide plant in 2026, which is currently 60% complete. The Government of Quebec will invest up to $200 million to support continued construction.
1. Majority Acquisition and Ownership
Rio Tinto increased its holding in Nemaska Lithium to a 53.9% majority stake, enabling direct management control over operations and strategic decision-making. This equity shift follows coordinated investments and positions Rio Tinto to integrate Nemaska’s assets into its broader lithium portfolio.
2. Funding Commitments
The Government of Quebec will invest up to $200 million in Nemaska Lithium, while Rio Tinto plans to contribute over $300 million in 2026. These funds will accelerate the final phases of the lithium hydroxide plant construction and secure ongoing operational financing.
3. Bécancour Plant Progress
Construction at the Bécancour lithium hydroxide facility has reached approximately 60% completion, with engineering work finalized and full-scale operations targeted in the next phase. The plant is central to Rio Tinto’s strategy for an integrated supply of battery-grade lithium products.
4. Strategic Implications
Securing majority control of Nemaska Lithium enhances Rio Tinto’s position in the fast-growing lithium market and grants direct access to critical raw materials for electric-vehicle batteries. This move aligns with the company’s global expansion goals and commitment to meet rising demand for energy storage solutions.