Australian Foundation Investment Company is starting to look at the sector and last year bought a small position in diversified miner Mineral Resources.
Once developed and approved, the Upper Calliope solar farm will have the potential to cut down Rio's operating carbon emissions by 1.8 million tonnes per year.
First Quantum is dealing with the fallout from the sudden closure of its flagship copperĀ mine in Panama, which accounted for about 40% of its revenue.