Search options Sort by: Relevance Published Date - Desc Published Date - Asc Name/Title - Desc Name/Title - Asc Results by page: 6 12 18 24 Filter Showing 1 to 6 of 31 results Previous page 1 2 3 ... 5 6 Next page Steam leak at Heysham 1 leads to EDF improvement notice Valve failure at Heysham 1 during return to service Read more Quarterly statement of civil incidents reported to ONR - 1 October - 31 December 2023 Read more EPR Valves Read more EDF Energy complies with Improvement Notices ONR satisfied Improvement Notices have been met Read more EDF comply with Heysham 1 improvement notice The incident at Heysham 1 Power Station in Lancashire occurred on 23 December 2023, while Reactor 1 was being returned to service when a valve controlling the flow of superheated steam from the reactor failed, resulting in a steam leak. Read more EDF complies with improvement notice EDF has complied with an improvement notice we served on them following a health and safety incident at Hartlepool Nuclear Power Station in May 2025. Read more Showing 1 to 6 of 31 results Previous page 1 2 3 ... 5 6 Next page