Following completion of 168-hour test run, unit 6 China’s Hongyanhe NPP in Liaoning Province has begun commercial operation. It is the 26th unit constructed by China General Nuclear Power Corporation (CGN). The six units of Hongyanhe NPP Phase I and Phase II comprise China’s largest in-service NPP in terms of installed capacity.

Hongyanhe NPP is the first nuclear power station and the largest power energy investment project in Northeast China. Construction of unit 6 began in July 2015 and was connected to the grid in May.

The first phase of the Hongyanhe NPP comprised four CPR-1000 pressurised water reactors, operating 2016. The second phase consists of two ACPR-1000 reactors. The six units can generate 48GWh of electricity a year, accounting for approximately 20% of Liaoning's total electricity consumption, CGN said. In November 2022, the plant also began begun providing heat to the local area.

Hongyanhe NPP is owned and operated by Liaoning Hongyanhe Nuclear Power Company, a joint venture between CGN and State Power Investment Corporation (SPIC), each holding a 45% stake. The Dalian Municipal Construction Investment Company holds the remaining 10%.


Image: The Hongyanhe nuclear power plant (courtesy of China General Nuclear Power Corp)