Unit B2 (Reactor 4) at Hunterston in Scotland, was permanently shut down on 7 January after generating electricity for 46 years. Its fellow, Hunterston B1 (Reactor 3) was closed in November. Both units are 490MWe advanced gas-cooled reactors (AGRs).Station director Paul Forrest said: "It was originally thought Hunterston B would run for 25 years but investment in the plant and the people who work here mean we've been able to safely extend that to 46 years."
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