Solar and solar-plus-storage systems will be installed at two nickel mines in Western Australia for BHP, a supplier to Tesla, while a Rio Tinto ilmenite mine in Madagascar will be powered by a solar-wind-storage hybrid plant.

A new report co-authored by energy expert Tony Seba predicts that the combination of solar and wind energy with batteries could undercut and disrupt the existing global energy system with “the cheapest power available” over the next decade.