this post was submitted on 01 Jun 2024
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Nuclear reactors are ill-suited for baseloads, because they can't scale their output in an economical way.
You always want the cheapest power available to fulfill demand, which is solar and wind. Those regularly provide more than 100% of the demand. At this point, any other power sources would shut off due to economical reasons. Same with nuclear, nobody wants to buy expensive nuclear energy at peak solar/wind hours, so the reactor needs to turn off. And while some designs can fairly quickly power down, powering up is a different matter and doing either in an economically feasible way is a fantasy right now.
If solar and wind don't provide enough power to satisfy demand, some other power source needs to turn on. Studies have already shown that current-gen battery storage is capable of doing so. Alternatives could be hydrogen or gas power stations. Nuclear isn't an option economically speaking.