I believe UPower reactors (no renamed to Oklo after the spontaneous chain reactions that occurred in Africa 2 billion years ago) are even smaller. My guess from

I believe UPower reactors (no renamed to Oklo after the spontaneous chain reactions that occurred in Africa 2 billion years ago) are even smaller. My guess from the rename is that they want to make shippable modules that are entirely self-contained, i.e. you just set it down and plug stuff in. Could be useful in very distributed markets. NuScale can ship lots of parts but you still have to build out a big site.