Coal will no longer be burned for power in Australia within 14 years. 

The lowest cost way to give us electricity in the future is renewable energy, connected with transmission and distribution, firmed with storage and using gas-powered generation as farmers might use a diesel generator – as a backup plan. But this capacity is expected to be very rarely used. 

https://theconversation.com/coal-free-in-14-years-as-renewables-rush-in-new-blueprint-shows-how-to-green-the-grid-without-nuclear-232985