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this post was submitted on 08 Aug 2023
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We need to compare the cost of nuclear against firm renewables, including storage (developing technology) and long-distance transmission (location-dependent political/technical challenges).
Comparing against coal and gas is meaningless unless we include the atmospheric cleanup costs.
In places where this has been studied extensively renewables with storage are still the cheapest by a long way. Australia has the whole state of South Australia (plus Tasmania) as a test case. SA has transitioned to almost 100% renewable supply in under a decade.
We have a cost effective, distributed, redundant, easy to build solution. SMRs are not proven in cost or reliability. They should be studied and trialed, but not at the expense of acting responsibly today.