Rio Tinto to reduce production at Yarwun Alumina Refinery to extend operational life

Core Viewpoint - Rio Tinto will reduce production at the Yarwun Alumina Refinery by 40% starting October 2026 to extend its operational life until 2035 and explore further modernization options [1][2][3] Production and Capacity - The reduction in production will lead to a decrease of approximately 1.2 million tonnes of alumina annually [5] - The Yarwun tailings facility is expected to reach capacity by 2031 at current production rates, making this curtailment necessary for future exploration [2] Economic and Employment Impact - The decision will affect around 180 roles at the refinery, with plans for redeployment across Rio Tinto sites in Gladstone [4] - The company emphasizes its commitment to alumina and aluminium operations in Gladstone, aiming to manage the transition effectively [4] Operational Continuity - Despite the production cut, there will be no impact on customer requirements or other operations, as bauxite mines and aluminium smelters will continue to operate at full capacity [5] - Yarwun currently employs about 725 people and produces around 3 million tonnes of alumina per year, which is used as feedstock for Rio Tinto's aluminium smelters and international customers [6] Environmental Initiatives - Rio Tinto is prioritizing innovative tailings solutions and decarbonisation technologies, including the Hydrogen Calcination Project supported by Australian Renewable Energy Agency funding [6]