With the successful completion of a required testing period of 168 hours of full capacity operation as of October 22, Unit 1 at the Haiyang nuclear power plant in Shandong Province, China is now operating on a commercial basis. Construction on Haiyang 1 first began in 2009, and the reactor was connected to the grid this August. Haiyang 1 becomes the second Westinghouse AP1000 reactor in China and in the world to attain commercial operation. In September, another Chinese unit, Sanmen 1, became the first AP1000 reactor to operate on a commercial basis. Rosatom reported October 27 that Unit 4 of the Tianwan nuclear power plant in Jiangsu province, China achieved energy startup and grid connection. In accordance with directives issued by China’s nuclear regulator, Tianwan 4 was brought to 25% power to turn the turbine and commence electrical and power output tests. Rosatom said that all systems of the power unit worked in the normal project mode, and thus the reactor was connected to the electrical grid. Tianwan 4 is a Russian designed VVER-1000 reactor that is slated to enter commercial operation in March 2019.
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