Office for Nuclear Regulation

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Planned Compliance Inspection at Heysham 1 Power Station

Executive summary

Purpose of Intervention

The purpose of this intervention was to undertake licence condition (LC) compliance inspections at EDF Energy Nuclear Generation Limited’s (NGL) Heysham 1 Power Station, in line with the inspection programme contained in the Heysham 1 Integrated Intervention Strategy (IIS) for 2017/18.

The intervention was carried out by the ONR site inspector, supported by two ONR specialist inspectors.

Interventions Carried Out by ONR

Together with a member of the licensee’s own internal regulatory assurance function, we performed a themed inspection on the topic of Organisational Learning (OL). This included a licence compliance inspection of NGL’s arrangements for Licence Condition (LC) 7 (incidents on the site) and LC 10 (training).

The intervention was performed in line with ONR’s guidance requirements (as described in our technical inspection guides) in the areas inspected.

Key Findings, Inspector's Opinions and Reasons for Judgements Made

Organisational Learning

During the inspection we examined the arrangements in place at Heysham 1 to investigate incidents and implement the necessary improvements. The station presented evidence to show how it was managing and making improvements to its Performance Improvement Programme (PI) which has undergone recent enhancement. Based on a sample of investigations we judged that there are effective processes in place to manage and monitor the implementation of actions identified. There were no significant areas for improvement or issues raised during the inspection.

With regard to the LC7 and LC10 aspects of this inspection we judged the standard of compliance to be in accordance with relevant good practice and therefore assigned a rating of green.

Conclusion of Intervention

From the evidence gathered during these inspections, it was judged that there were no matters that have the potential to impact significantly on nuclear safety.   

At present, no additional regulatory action is needed over and above the planned interventions of Heysham 1 power station as set out in the IIS, which will continue as planned.