Advanced Modular Reactors: Criticality Tests Debate

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Department: Department for Energy Security & Net Zero

Advanced Modular Reactors: Criticality Tests

Lord Howell of Guildford Excerpts
Tuesday 19th March 2024

(7 months, 2 weeks ago)

Lords Chamber
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Lord Callanan Portrait Lord Callanan (Con)
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Of course we would not, which is why we are offering support for many of these technologies. The noble Lord’s Question asked about criticality tests—we are aware of that requirement and are in discussions with a number of companies interested in carrying them out in the UK, but these are not simple issues.

Lord Howell of Guildford Portrait Lord Howell of Guildford (Con)
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My Lords, as I understand it, Great British Nuclear says that the final decision on smaller modular reactors will not be made until 2029 for the present competition, and that no smaller modular reactor will be in service until 2035—that is five years and 11 years ahead. Can my noble friend explain why it will take so incredibly long, when other countries are racing ahead?

Lord Callanan Portrait Lord Callanan (Con)
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I do not recognise the dates that the noble Lord cited. Great British Nuclear is obviously heavily ensconced in the design selection process at the moment, and I understand that, given a fair wind, the reactors should be online and producing electricity by the early 2030s.