Australia's Largest Aluminium Smelter Saved: Government Backs Rescue Plan Beyond 2028

December 12, 2025
Australia's Largest Aluminium Smelter Saved: Government Backs Rescue Plan Beyond 2028
  • The Prime Minister announced a government-backed rescue plan to keep Tomago Aluminium, Australia’s largest aluminium smelter, operating beyond its 2028 power contract end date amid spiraling energy costs.

  • Australia’s government will work with Rio Tinto to maintain Tomago’s operations beyond the current contract, aiming to secure long-term energy supplies.

  • The plan seeks a fixed-price power-purchase agreement for Tomago and to accelerate renewable energy generation infrastructure in New South Wales.

  • Tomago, a major energy user in New South Wales, faces high energy costs as the economy transitions to renewables, making affordable power critical to its viability.

  • The project would mobilize at least A$1 billion in capital and major maintenance work over the next decade, including decarbonisation opportunities.

  • Tomago Aluminium produces up to 590,000 tonnes of aluminium annually, with energy costs around 40% of total expenses, underscoring sensitivity to electricity prices.

  • If a deal is reached, Tomago could generate at least A$1 billion annually.

  • Industry and government discussions are ongoing to work out the total costs of the agreement and secure long-term energy supplies for Tomago.

  • The Prime Minister stressed workers’ confidence about their futures and that final details will be finalized in coming months to secure the plant’s viability.

  • Rio Tinto and Tomago report progress addressing energy challenges, with collaborative efforts among joint venture partners.

  • Tomago, majority-owned by Rio Tinto and employing over 1,000 staff plus 200 contractors, faced potential closure without affordable energy.

  • Rio Tinto warned that Tomago could shut in 2028 if the current power contract with AGL Energy ends, unless a more economical energy solution is secured.

Summary based on 3 sources


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Sources


PM reveals rescue deal for power-hungry Tomago smelter

The Sydney Morning Herald • Dec 12, 2025

PM reveals rescue deal for power-hungry Tomago smelter

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