The Unitary Police Service received a notice on Monday (19 March) regarding an operational event at Daya Bay Nuclear Power Station, in Guangdong Province.

The notice was given by Guangdong Province’s Emergency Management Office, via the mechanism established under the “Guangdong-Macao Cooperation Consensus in Case of a Guangdong Nuclear Power Plant Emergency”.

On 19 March, protection system of a steam generator was activated and unit 2 of reactor went into safe automatic shutdown. After inspection, the event was occurred due to a short circuit at the control system, which was repaired immediately afterwards.

The event did not cause any harm to the health of any Station staff, the safety of the facilities, or the protection of environment.

According to the International Nuclear and Radiological Event Scale, measured over seven levels, the event was a “Below Scale”, i.e. “Level 0" event, which means rectification of deviations and provision of experience feedback.