Rio Tinto welcomes agreement to secure long-term future of Tomago Aluminium

Published: Aug 13, 2026 09:31

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On August 13, Rio Tinto announced that the Tomago Aluminum Smelter had reached an agreement with the Australian Government and the New South Wales Government to secure long-term power supply under a 10-year power purchase agreement (PPA) running through 2038. The agreement will take effect after the existing power contract expires on December 31, 2028, and from 2033 all electricity will be sourced from renewable energy. Under the agreement, the Tomago Aluminum Smelter plans to invest A$1.1 billion by 2038, of which A$100 million will be used for decarbonization projects. The smelter produces up to 590,000 mt of aluminum per year, accounting for about 40% of Australia's annual production, and directly employs about 1,000 people. Rio Tinto holds a 51.55% stake in the joint venture.

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