Oh I think that's a possibility if we don't change. I think we have a window over the next few years to start aggressive change in states like Victoria. If not conventional fuel and coal prices are going to swamp us.
https://www.bbc.com/news/science-environment-48711649
That's a good article highlighting what the UK relies on now, shows the shift to gas to replace coal and the climb of renewables slowing taking more and more share.