The Office for Nuclear Regulation (ONR) has informed Westinghouse that it has agreed to close a ‘regulatory issue’ raised against its AP1000 reactor design. The regulatory issue, opened in February 2010 by ONR’s predecessor organisation (HSE’s Nuclear Directorate) concerned the AP1000’s civil structures, which were assessed by the regulator as part of the Generic Design Assessment, run jointly by ONR and the Environment Agency.

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The AP1000 pressurised water reactor is currently being assessed by the UK’s Nuclear Regulators (the Health and Safety Executive and the Environment Agency) under their Generic design assessment process (GDA). This assessment is due to be completed by June 2011. Read it all..