Rolls-Royce (RR.L) has entered the business of small modular reactors. They have experience designing powerplants for submarines. It is assumed the design is a traditional pressurized water reactor using enriched uranium fuel, although they don’t talk about their design details. Website
Small Modular Reactor using traditional light water reactor technology and solid fuel rods of less than 5% enriched uranium. This traditional approach should help them from the regulatory perspective, but carries forward all the traditional risks and waste products of a pressurized water reactor using low enriched uranium. From their website: The Carbon Free Power …