Well let’s be honest a significant part of that cost is going to be building a nuclear ‘industry’ in Australia. They don’t have any Nuclear plants and so the uphill battle to bring Nuclear power to Oz is even higher than Canada
Nuclear power stations are not appropriate for Australia – and probably never will be | Climate CouncilThe prospect of nuclear power in Australia has been a topic of public debate since the 1950s. While we have never had a nuclear power station, we do have 33% of the world’s uranium deposits and we are the world’s third largest producer of it. Periodically, as with the changing of the seasons...www.climatecouncil.org.au
Do they need to, if they are using UK reactors why not just get UK to service them? If the only nuclear power in country is the subs than sail them to England for planned reactor work. And if there is unplanned reactor work then it dosent matter where you are, you are screwed.