Small Modular Reactors

$11 Billion Cottam Project A Step Closer As Holtec’s SMR-300 Nuclear Plant Completes Step 2 Of UK’s GDA

By David Dalton
31 March 2026

Plan is to deploy ‘several sets’ of reactors to provide power to new, advanced data centres

$11 Billion Cottam Project A Step Closer As Holtec’s SMR-300 Nuclear Plant Completes Step 2 Of UK’s GDA
Holtec is planning to deploy SMR-300 nuclear plants at the former Cottam coal-fired station. Courtesy Holtec.
US-based Holtec’s small modular reactor technology, the SMR-300, has completed Step 2 of the UK’s generic design assessment (GDA), putting subsidiary Holtec Britain one step closer to deploying plants for an $11bn (€9.5bn) project in Nottinghamshire, England.

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