> And what's their cost per MWh?
We do not know but its likely expensive
>Considering they are fueled by highly-enriched uranium: are you okay with most of the world being handed the capability to build nukes?
There are SMR designs that do not use highly-enriched uranium.
https://assets.publishing.service.gov.uk/media/69b2f41497f6f...
" The RR SMR uses PWR technology and
industry standard LEU fuel and builds on operational experience from existing PWR
reactors."
I cite this as RR is the most advanced out of all the other companies working on this afaik