[Chile Supply Risks Reshape the Global Copper Miners Outlook]

Published: Oct 15, 2026 18:47 (GMT+8)
Chilean supply disruption — strikes, adverse weather and permitting delays — is reshaping the risk-reward profile of global copper producers tied to demand from electrification and AI infrastructure. Antofagasta's brownfield expansions at Centinela and Los Pelambres, including a new concentrator plus water and pipeline upgrades, should lift copper output by roughly 30% once complete; the two mines generate about 4.6 billion USD and 3.6 billion USD respectively, with Antucoya adding 984 million USD. Brazil-focused Ero Copper draws about 437 million USD from Caraíba, 375 million USD from Tucumã and 232 million USD from Xavantina, and is adding filtration capacity at Tucumã. Kantra Copper expects its Nugent project to lift run-rate output from 1.4 to 1.8 million tonnes by H1 2026.

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