UBS is understood to have been tapped by BHP Group Limited (ASX:BHP) to sell two of its Queensland coal mines, worth $2 billion. On offer in 2023 by BHP through UBS is set to be its Blackwater and Daunia mines. It comes at a time that coal prices are soaring and the world's largest miner is keen to reposition its portfolio to capitalise on the energy transition, with a focus more on minerals used to make batteries for electric vehicles - specifically copper.