![](https://www.mining.com/wp-content/uploads/2016/05/bhp-to-boost-copper-output-lower-costs-at-vast-olympic-dam.jpg)
BHP to spend $277m to modernize Australian copper smelter
The smelter, one of the largest in the Southern Hemisphere, has been hampered by insufficient power supplies and maintenance work since a major power outage last year shut operations for two weeks.