Codelco Copper Output Stabilises as Middle East Crisis Raises Cost Risk

Codelco

Codelco copper output stabilised in 2025, but rising energy, diesel, reagent and logistics costs linked to the Middle East crisis could complicate the company’s recovery path. Chile’s state-owned copper producer reported a 0.5% increase in copper output to 1.33mn t, while total attributable production reached 1.44mn t.

The modest improvement showed that Codelco copper output has started to recover after several years of operational pressure. However, the company still faced mixed performance across major divisions, including lower output at El Teniente, Chuquicamata and Gabriela Mistral.

Codelco copper output is expected to rise only slightly in 2026 to 1.331mn–1.357mn t. That guidance highlights the limited pace of supply growth at one of the world’s most important copper producers, even as demand from grids, electrification and industrial investment remains structurally strong.

Fuel and Sulphuric Acid Costs Threaten Copper Margins

The Middle East crisis is creating a new cost risk for copper producers. If disruption around the Strait of Hormuz persists, higher diesel prices, tighter logistics and rising input costs could feed directly into mining cost structures.

Diesel is a key cost driver for haulage, power generation, processing and mine-site operations. Market participants estimate that copper mining costs can rise by 5–10% for every $50/bl increase in oil prices, making fuel volatility a direct margin threat.

Sulphur supply is another concern because it is used to produce sulphuric acid for copper leaching. This risk is especially acute for hydrometallurgical producers in the African Copperbelt, but higher global acid costs could still affect broader copper market sentiment.

Codelco’s own cost base was already rising before the latest geopolitical shock. Direct cash costs increased 4.8% to $2.09/lb in 2025, while total costs rose 14% to $3.73/lb because of higher operating activity, exchange-rate effects and inflation.

Stable Output Masks Deeper Structural Pressure

Codelco described 2025 as a year of stabilisation and productive transition. Ministro Hales lifted output by 25% to 153,000t, while Radomiro Tomic increased production by 9.2% to 295,000t.

However, several core assets remained under pressure. El Teniente output fell 13% to 310,000t, Chuquicamata declined 8% to 265,800t, and Gabriela Mistral dropped 20% to 82,000t.

The company also reported record capital expenditure of $5.07bn in 2025, showing the rising investment required to sustain production. Deeper deposits, lower ore grades and more complex operations are making copper supply more capital-intensive.

This reinforces the longer-term copper supply challenge. Even with stabilising production, Codelco’s guidance points to only incremental growth, while cost inflation could delay marginal projects and pressure higher-cost operations if the conflict continues.

The Metalnomist Commentary

Codelco’s results show that copper supply risk is shifting from simple output loss to cost inflation and capital intensity. The market may still focus on tonnes, but diesel, sulphuric acid and project execution costs will increasingly decide how much copper supply can grow profitably.