Global Copper Mine Production Flat in Q1 2026, Indonesia's Grasberg Mine Sees Sharp Decline

Published: May 24, 2026 00:15

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Preliminary data indicated that global copper mine production in Q1 2026 was basically flat, with copper concentrates production declining by 1.1%, offset by a 3.3% increase in solvent extraction-electrodeposition (SX-EW) production.Although global mine production benefited from additional output from capacity ramp-up at projects in several countries, significant declines in copper concentrates production in Chile, the DRC, and Indonesia offset global growth.In Indonesia, copper concentrates production at the Grasberg mine fell by 42%, as the severe mud inflow event that occurred in September last year continued to impact production at the mine.

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