MetalsGoWhere

METALSGOWHERE ATLAS · SUPPLY RESEARCH

Grasberg mud rush: suspension and phased restart

As of 2026-07-23 · Observation periods are shown separately.

2026 output is expected near 0.8 billion lb (sales guidance 0.7 billion lb plus smelter inventory deferral) against a normal rate of 1.7 billion lb; ramp-up targets 65% in H2 2026, 80% by mid-2027 and full capacity by end-2027.

Metal
Copper
Side
Mine
Country
ID
Period
2025-09-08 → ongoing
Status
Confirmed, in force
Quantity basis
Estimated mine-production loss
Production basis
771.1 kt / yr · FCX 2Q26 release: PTFI underground operations produce approximately 1.7 billion lb of copper at normal operating rates
Affected share
52.9%
Estimated daily impact
1,118 t/day
Project page
grasberg

Sources

Back to the Copper ledger

Source: metalsgowhere.com, as of 2026-07-23. Citation & data use