The mega project, one of the world’s biggest pumped hydro schemes, will provide cheaper energy and prevent blackouts when coal exits, Snowy says.

Australia's most ambitious renewable energy project is slowly nearing completion, but experts are divided on whether Snowy 2.0 will ever justify its snowballing price tag.

The mega project, one of the world’s biggest pumped hydro schemes, will provide cheaper energy and prevent blackouts when coal exits, Snowy says.