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UK’s Advanced Gas Cooled (AGRs) reactors should be shut, as they are vulnerable to cracking

“The AGRs have already had a good run operating way beyond their intende 30-year lifecycle, but the fact is that as the reactors age so does the integrity of their graphite cores which moderate the nuclear reaction.

EDF case for continued AGR reactor operations ‘cracking up’, says NFLA.
The early closure of the final reactor at Hunterston B Nuclear Power Station last Friday (7 January) signalled yet another step towards the long-overdue demise of the outdated Advanced Gas Cooled (AGRs) reactors operated by EDF Energy, a subsidiary of French state owned EdF
(Électricité de France), across the UK.

After being shut down for much of 2019, EDF hoped to continue operations at Hunterston B until 2023 but increasing instances of cracks in the graphite cores of the reactor brought forward closure plans by a year.

The problem of cracks in the graphite cores which compromises safety has long been an issue of concern to the Nuclear Free Local Authorities (NFLA). Councillor Blackburn said “The AGRs have already had a good run operating way beyond their intende 30-year lifecycle, but the fact is that as the reactors age so does the integrity of their graphite cores which moderate the nuclear reaction.

Although EDF plans to close the last AGR in 2028, this is way too long and the timescale for closure needs to be brought forward in the interests of plant and public safety

 NFLA 12th Jan 2022

 https://www.nuclearpolicy.info/news/edf-case-for-continued-agr-reactor-operations-cracking-up-says-nfla/

January 15, 2022 - Posted by | safety, UK

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