South32 has added to a series of cost blowouts at critical minerals projects that are part of a broader global scramble for materials, labour and skills.
NSW Inquiry hears putting power lines underground not as environmentally friendly as communities believe abc.net.au - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from abc.net.au Daily Mail and Mail on Sunday newspapers.
The increased costs would be borne by household and business customers because builders of regulated power lines are entitled to guaranteed returns on capital.