The first reactor in the second phase of an expansion at the Hongyanhe Nuclear Power Plant in China has entered commercial operation, with five reactors now online at the site in Liaoning Province in eastern China. China General Nuclear (CGN) on Aug. 1 announced the 1,080-MW Unit 5 at Hongyanhe is now in its steady-state operational phase. Unit 6, the second of the two ACPR-1000 reactors added in the second phase, is undergoing hot functional testing. The China Nuclear Energy Association on Aug. 2 said Unit 5 met its conditions to enter commercial operation after completing a 168-hour trial run…