The fourth unit of the Tianwan nuclear power plant in Lianyungang, in China's Jiangsu province, has reached first criticality and is now scheduled to begin generating electricity by the end of 2018 and enter commercial operation in March 2019. Once built, the unit will have a total net capacity of 990 MW.
The Tianwan power plant currently encompasses Tianwan-1 and Tianwan-2, two 990 MW AES-91 VVER-1000 pressurised-water reactors (PWRs) designed by Gidropress, supplied by Rosatom and commissioned in 2006 and 2007. Tianwan-3 (1,060 MW) was connected to the grid in December 2017 and commissioned in February 2018. A third phase (two 1,080 MW reactors, Tianwan-5 and 6) was suspended after the Fukushima disaster.
The Tianwan nuclear power plant is operated by the Jiangsu Nuclear Power Corporation, a joint venture between China National Nuclear Corporation (50%), China Power Investment Corporation (30%) and Jiangsu Guoxin Group (20%).
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