Key Highlights

  • Severe storms in Chile, which produces more than a fifth of the world's copper, have disrupted operations at major Mining companies and killed 13 people.
  • Antofagasta halted mining and processing at its Los Pelambres operation, while Lundin Mining suspended its Caserones mine after storm damage to power lines.
  • Copper prices reached an all time high of 6.70 dollars per pound on June 2, with three month copper on the London Metal Exchange now trading near 13,750 dollars per tonne.
  • Nearly two thirds of visible global copper inventories are now held in the United States, reflecting Tariff related stockpiling that has tightened Supply elsewhere.

Weather Disruption Compounds an Already Tight Market

Heavy snow, flash flooding and high winds across Chile over the past week have disrupted operations run by several major copper producers. Antofagasta halted mining and processing at its Los Pelambres operation, while Barrick evacuated employees from its Chilean operations due to the extreme weather.

Lundin Mining said its Caserones mine in the Atacama region could require two to three weeks to restart after power lines serving the site were damaged by heavy snowfall, forcing a suspension of operations. The company's Candelaria mine also faced disruption from rainfall but continued operating using existing ore stockpiles before returning to full capacity.

Structural Supply Constraints Predate the Storms

Industry commentary suggests the storms alone are unlikely to fundamentally alter the copper market, but they reinforce a broader dynamic in which supply has struggled to keep pace with Demand . Uncertainty over potential U.S. Section 232 tariffs and a Chinese crackdown on scrap copper availability have already tightened global supplies this year, with Chile recently downgrading its 2026 output forecast by 2% to 5.3 million tonnes.

Market commentary has described the impact of the storms on major producers as temporary and limited, given contingency plans most large operators maintain, though smaller miners with less operational flexibility are considered more exposed. Inventories on both the London Metal Exchange and Shanghai Futures Exchange remain below their five year averages, a signal that Market Participants have characterized as reflecting genuine physical tightness rather than speculative positioning alone.

Prolonged Outages Could Push Prices to New Records

Should disruption in Chile extend beyond the two to three week window some producers have estimated, buyers could find themselves competing for an increasingly limited pool of available copper, adding further upward pressure on prices already near record levels. Rising copper costs would have Downstream implications for industries reliant on the metal, including AI Data Center construction, electric vehicle Manufacturing and consumer electronics production.

Conversely, if Chilean operations resume on schedule and Chinese buying eases as some market participants expect heading into August, price pressure could moderate somewhat in the near term. The largest source of uncertainty remains how U.S. tariff policy under Section 232 ultimately develops, a Factor Market participants describe as a more significant driver of price moves than physical mine disruption alone.

Conclusion

Chile's storm related disruptions have added a fresh layer of pressure to a copper market already strained by tariff uncertainty, tightening scrap availability and surging demand from AI infrastructure and electric vehicle production. Anglo American's first half results, including a 35% increase in Earnings before interest, taxes, Depreciation and amortization, reflect how favorable pricing has already benefited copper focused producers this year. Whether copper prices surpass their June record may depend heavily on how quickly disrupted Chilean operations return to full capacity and how U.S. tariff policy ultimately unfolds.