Southern Corporation has invested $154m to expand the production of the Cuajone and Toquepala mines in Peru.

The US-based mining firm has invested $114.6m to expand the output of its Toquepala concentrator and $39.4m in the Cuajone expansion.

The expansion plan is expected to increase copper and molibdenum production by 147,000 tonnes and 3,000 tonnes respectively over the next ten years, according to andina.com.