New, expanding cracks in nuclear reactor core delay restart of Scotland's oldest plant | WHAT REALLY HAPPENED


New, expanding cracks in nuclear reactor core delay restart of Scotland's oldest plant

One of the nuclear reactors at the Hunterston B nuclear power plant in Scotland could remain offline until the end of the year, after fresh cracks expanding at a higher rate were discovered in the graphite blocks forming its core.

Reactor 3 at the aging Hunterston B nuclear power station on the West coast of Scotland was initially taken offline on March 9 for a routine inspection, during which the Office for Nuclear Regulation (ONR) found new “keyway root cracks” in the reactor core. On Wednesday, operator EDF Energy announced that the reactor could remain offline for months until the problem is fixed.

“The inspections confirmed the expected presence of new keyway root cracks in the reactor core and also identified these happening at a slightly higher rate than modeled,” EDF Energy said. “While Hunterston B Reactor 3 could return to operation from the current outage, it will remain offline” until the company addresses safety concerns.

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