Heysham 2 Nuclear Unit Breaks Continuous Run World Record

Heysham nuclear plant controls

The Heysham 2 nuclear power station’s Unit 8 in the UK broke a world record for continuous operation of an advanced gas cooled reactor.

Unit 8 has been in operation for 895 days since it was reconnected to the grid February 18, 2014. The unit broke the previous record owned by Ontario Power Generation’s Pickering 7, when it ran for 894 days between April 26, 1992 and October 7, 1994. That record lasted 22 years. Heysham 2 is designed to be refueled without being shut down first. During its current run, 123 fuel channels have been refueled so far.

“This is a fantastic achievement and is testament to the professionalism of the team we have here at Heysham 2,” said John Munro, station director. “This record comes in the station’s 28th year of operation which shows what can be done with a skilled team and targeted investment in the plant.”

Exelon’s (NYSE: EXC) LaSalle 2 boiling water reactor in Illinois holds the world record for continuous operation of a light water reactor at 739 days. Calvert Cliffs 2 in Maryland set a world record for continuous operation of a pressurized water reactor in February 2009, having operated without interruption for 693 days.

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