An operational event at Taishan Nuclear Power Station on January 6 had no effect on the plant’s operational safety, the Security Bureau said today. 

The case, reported on the Taishan Nuclear Power Joint Venture Company’s website, involved a low-voltage switchboard at Unit 2 of the station.

A component malfunction occurred at the Unit 2 switchboard on January 6, and the periodic test of non-faulty switchboard carried out during the repair period did not meet the technical specifications’ requirement.

The company took timely action to report the situation to the nuclear safety regulatory authority and carry out internal experience feedback.

During the repair and periodic test, Unit 2 remained in a normal and safe condition.

The bureau explained the event was classified as a “Level 0” deviation in accordance with the International Nuclear & Radiological Event Scale and relevant nuclear safety regulations, and had no effect on the station’s safe operation, workers’ health, nearby public or the environment.