Australia's fleet of coal-fired power stations are aging and many are due for decommissioning, and are being replaced by a combination of mostly renewable energy.
In early 2017, 75% of the coal-fired power stations in the country were operating beyond their original design life.
The Northern Territory relies predominantly on natural gas, as well as various renewable energy sources.
South Australia previously had a number of coal power stations.
[31] Tasmania has no functioning coal-fired power stations, instead using primarily hydroelectricity, with natural gas used as a backup.