Full report from the ABC.
There is a role for nuclear power.
John Mackay, the chief executive of Canberra's power supplier ACTEW AGL, says given the current state of the industry, there is little chance of meeting the [60% by 2050 emissions reduction] target.
Mr Mackay says households should expect dramatic price hikes over coming years.
He says green power is expensive to produce and difficult to source, and that's making the market very volatile.