Story perspectives

Grasberg Mine Eases Copper Supply Crisis Amid Constraints

8/14/2025

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Summary

Story summary

The Grasberg mine in New Guinea is releasing 100,000 tons of copper concentrate due to an oxygen plant outage in Indonesia, easing market tightness.
This supply shift has improved treatment and refining charges (TC/RCs), which had reached historically low levels.
Analysts predict ongoing structural supply constraints will affect long-term market dynamics.
The situation reveals a significant imbalance between concentrate supply and smelting capacity, especially in China.

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Story summary

The Grasberg mine in New Guinea is releasing 100,000 tons of copper concentrate due to an oxygen plant outage in Indonesia, easing market tightness.
This supply shift has improved treatment and refining charges (TC/RCs), which had reached historically low levels.
Analysts predict ongoing structural supply constraints will affect long-term market dynamics.
The situation reveals a significant imbalance between concentrate supply and smelting capacity, especially in China.