Geothermal
Solar thermal
Local tri-generation
Gas
^^^ base load low emissions
Plus existing ebb-and-flow renewables (PV etc)
Technically it's not hard to reduce emissions *sufficiently* either through tax incentives and/or direct govt investment - which is already happening.
ALP or Coalition, the targets are the same and the cost to the economy is much the same. It's who pays the cost within the economy that changes.
Who pays the brunt of inaction on surplus CO2 emissions? Literally and ultimately it's the re-insurance industry. They have a bit to say on the matter.