Rolls-Royce Holdings PLC

Rolls-Royce Holdings, via its SMR subsidiary, designs and manufactures factory-built small modular reactors based on a 470 MWe pressurized water reactor. The program targets UK deployment as part of a government-backed fleet of up to 16 units, positioning the company as a domestic leader in the nuclear renaissance. This scalable approach supports rapid baseload power addition to grids facing rising clean energy demand, leveraging Rolls-Royce's engineering expertise from naval reactors.

In the last 12 months, Great British Nuclear shortlisted Rolls-Royce SMR in July 2024 for commercial talks on fleet deployment, while the firm raised £75 million in equity in June 2024 and advanced regulatory pre-licensing with the Office for Nuclear Regulation. Key risks include delays in design acceptance targeted for 2029, first-of-a-kind build cost overruns, competition from NuScale and GE-Hitachi, and policy shifts under UK fiscal constraints.

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