> Comparing a cost that's been validated across many units over decades with the "should cost" for a design that hasn't even had gone critical in a prototype is

> Comparing a cost that's been validated across many units over decades with the "should cost" for a design that hasn't even had gone critical in a prototype is almost meaningless. The poster is likely talking about new fission concepts like TerraPower [0] and other Gen IV types. See the Generation IV fast reactors section of [1]. [0] https://www.terrapower.com/about/ https://www.terrapower.com/about/ [1] https://www.world-nuclear.org/information-library/current-and-future-generation/fast-neutron-reactors.aspx https://www.world-nuclear.org/information-library/current-an...