Rio Tinto Cuts Copper Costs As Output Rises

Rio Tinto lifts copper and iron ore volumes, slashes copper cost guidance but faces higher diesel-driven iron ore unit costs.
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Rio Tinto is squeezing more metal from its operations while sharply lowering what it expects to pay to produce copper this year. Copper equivalent production for the first half rises 3% year on year to 442,000 tonnes, reflecting stronger output across the portfolio.

Management links the performance to the group’s wide geographic footprint and complex supply chains that keep material moving despite geopolitical friction. Investors get higher volumes and lower copper costs even as conditions stay volatile.

The miner reports a 5% year-on-year increase in global iron ore sales, supported by a 7% jump in second-quarter Pilbara shipments driven by a long-running productivity programme. Full-year Pilbara iron ore unit cost guidance holds steady at USD 23.5 to USD 25 per wet metric tonne, showing cost discipline in that core division.

Copper costs fall more sharply. Rio Tinto cuts its full-year copper net cost guidance to 30 to 50 US cents per pound, down from an earlier 65 to 75 cents range.

Management attributes the lower copper cost outlook to stronger than expected gold prices and further productivity gains at its assets.

Iron ore operations in Australia show the recovery more clearly, even as fuel costs bite into margins. Rio Tinto ships 85.26 million tonnes of Australian iron ore in the June quarter, a 7% increase on the same period last year.

That level of exports keeps the company on track to meet full-year volume targets after a slow start to 2026. Two cyclones earlier in the year disrupted its Western Australian business and blocked about 8 million tonnes of exports.

The company expects to claw back roughly half of that lost tonnage, helping stabilise its volume profile for the year.

Cost pressures complicate the improving production story. The Australian iron ore division is spending more to produce each tonne, with a USD 180 million impact from higher diesel prices weighing on unit economics.

Rising fuel costs offset some of the benefits from productivity programmes that lifted Pilbara shipments. Rio Tinto’s latest update sets lower copper net costs and resilient iron ore volumes against higher iron ore unit costs from energy inflation.

Sources

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