Chile's state miner Codelco (COBRE.UL), the world's largest copper producer, said on Wednesday it was evaluating the impacts of a nationwide powercut on its production, and that recovery would be its main focus.

Some of the world's largest copper mines in Chile have resumed operations after experiencing a disruption due to a major power outage. The outage, resulting from a transmission line failure in northern Chile,

Chile has been hit by its worst blackout in 15 years after a transmission line failure knocked out power for hours for more than 90 per cent of its population as well as the country’s crucial copper mines.

The widespread blackout was caused by a transmission line failure in the country's north, Interior Minister Carolina Toha said, ruling out a cyber attack as a cause.

The companies aim to enhance efficiency, resource utilisation and sustainability while maximising copper production in the region.

A massive power outage in Chile has left millions without electricity, impacting internet and mobile services. Officials confirmed the blackout was caused by a transmission error. President Gabriel Boric has declared a state of emergency as authorities work to restore power.