Efforts to cut costs are spurring a shift toward gas amongst iron ore miners operating in the mineral-rich Pilbara, as well as an attendant expansion in the network of pipelines needed for its delivery.

Fortescue Metals chief Nev Power has said the iron ore miner intends to avail itself of the “phenomenal advantage” provided by Western Australia’s abundant gas reserves in order to cut energy costs. Power has described energy as a “major cost” for Fortescue, estimated to be in excess of US$800 million for the current financial year. The vast…