Comment comes in the wake of country's decision to end nuclear power by 2022 and exit coal-fuelled power sources by 2038.

Their prices have increased strongly amid political moves to tighten supply.

Germany's biggest power producer will cut about 6,000 jobs, or nearly a third of its current workforce, by 2030.

The federal government last year approved 40 billion euros in aid to Germany’s four main coal regions to cushion the structural impact of plant closures.

Warnings over climate change and more extreme weather have sparked greater calls for action on Adani Group’s Carmichael thermal coal project.

Coronado shares dropped as much as 3% following the announcement.