Vale speeds Salobo copper expansion, cuts costs

AI desk brief

Vale is accelerating the Salobo CPF expansion in Brazil, adding about 30,000 tonnes/year of copper output and roughly 15,000 oz of annual gold byproduct, with first production now targeted for 1H 2028, about a year earlier than planned. Vale also cut the capex estimate to about $215 million from $225-$275 million, with Wheaton Precious Metals contributing $40 million under an amended streaming deal; Vale’s net capital commitment falls to about $175 million and the project is expected to generate an IRR above 50%.

For precious metals, the direct takeaway is limited but positive for long-dated byproduct supply: the Salobo expansion will marginally lift gold output tied to a major copper asset, while Wheaton preserves exposure to incremental stream ounces. The project’s accelerated timetable and lower capital intensity reinforce the broader brownfield expansion model in Carajás, but the 15,000 oz/y gold addition is too small to materially shift bullion supply/demand balances.

Near term, this is more relevant as a signal on base-metals project economics and streamed byproduct optionality than as a gold market driver. The gold impact is likely neutral on XAU, with any effect concentrated in valuation and long-term production guidance for Wheaton rather than spot pricing.