Nuclear power plant shutdown after loss of power

Exelon Corp. (NYSE: EXC) said operators at the two-unit, 2,345 MW Limerick Generating Station in Pennsylvania removed Unit 1 from service at approximately 8 a.m. April 19 following an electrical malfunction on the non-nuclear side of the plant.

The malfunction caused a temporary loss of power to the plant’s main generator cooling pumps, which are not part of the reactor system. Exelon said operators responded according to procedures and safely removed the reactor from service so the electrical issue could be corrected. Operators are working to determine the cause of the malfunction and will restore the unit to service only after the cause is understood, repairs are performed and the system is fully tested.

Exelon said there was no risk to the public or injuries associated with the shutdown.

Limerick Unit 2 continues to operate at full power.

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