Office for Nuclear Regulation
An agency of HSE

Generic Design Assessment (GDA) of new reactors

Sun setting over a nuclear site

These web pages set out the work the Office for Nuclear Regulation and Environment Agency are currently doing to make sure that any new nuclear power stations built in the UK meet high standards of safety, security, environmental protection and waste management.

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GDA issues - UK EPR reactor design

ONR and the Environment Agency identifed 31 issues on the UK EPR reactor design that need to be addressed before the generic design assessment can be considered ‘complete’.

More about GDA issues

News and updates

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Quarterly updates

Find out more about the assessment of new nuclear reactor deisgns in our quarterly updates.

GDA quarterly reports

Updated 2012-12-12