Accounting Rio Tinto secures long-term future of Tomago smelter with A$1.1 billion investment and renewable power dealBy AdminBitAugust 13, 20260 Rio Tinto PLC has welcomed a long-term power agreement that will keep Australia’s largest aluminium smelter operating until 2038, backed by A$1.1 billion of investment and a transition to 100% renewable electricity from 2033.