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First planned small nuclear reactor plant in the US has been canceled
(arstechnica.com)
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this post was submitted on 11 Nov 2023
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So your solution to excess nuclear is to store it. The solution to shortfalls of renewables is also to store it.
Why do we need nuclear?
But storage without inpacting available energy requires an excess, and the current shortfall of renewables is that there isn't enough energy produced for a significant excess (same goes for nuclear). Either way I was addressing the literal aspect of energy generation being 24/7 with nuclear.
Not to mention I could see viable uses for nuclear still, especially in processes that are effectively 24/7 hot water production via heat exchangers for providing heating to literal cities, energy production for large arc furnaces.
And don't mistake my view of nuclear as not seeing the benefits of renewable, my father lived on a boat where the heating and appliances were all run via solar panels and forklift batteries for more than 10 years of his life.
It's relatively easy to get to 95% renewables. We have tons of historical weather data on wind and sun patterns. You can then calculate the extent of the lull when you won't have either one. Pad that number, then put in enough storage to cover it. Natural gas may be needed for that last 5% (it's a lot more difficult to get renewables to 100% than 95%), but that's minimal.
This is all achievable by 2030, the time when we want to drastically cut emissions. In contrast, there is no plan that gets nuclear in place by 2030. If you had all the permits signed and dirt starting to be dug today, you couldn't make that time line.
Nuclear does not help us reach these goals. It takes too long, is too expensive, and doesn't synergize with renewables well at all.