The UK’s nuclear regulator said on Tuesday it had approved a restart of the B-1 and B2- nuclear power units at the Hunterston nuclear station in Scotland.
The Office for Nuclear Regulation (ONR) said on its website that the restart safety case is for up to 16.7 terawatt days for Hunterston B-1 and 16.52 terawatt days for Hunterston B-2 – approximately six month’s operation for each reactor.
This will be the facility’s final period of operation before moving into the defueling phase.
The ONR’s assessment for restart focussed on whether cracking observed in the graphite bricks that form the reactor core could compromise the key nuclear safety requirements.
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