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Reactor shut down at nuclear plant

Published: Friday, March 22, 2013 1:15 a.m. CST

BYRON (AP) – Exelon Generation says it’s investigating a cooling pump malfunction that forced operators to shut down the Unit 2 reactor at the company’s Byron nuclear plant.

The reactor was shut down manually just before 8 p.m. Wednesday after the cooling pump malfunctioned on a generator that served the non-nuclear area of the Byron Generating Station, Exelon spokesman Neal Miller said.

The plant responded as expected, and the shutdown was performed safely, he said. The Unit 1 reactor continues to operate at full power.

Last year, an electrical insulator failed and fell off a metal structure, interrupting power to Unit 2 and causing the reactor to automatically shut down. The problem was fixed and the plant resumed operations the next week.

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