China National Nuclear Corporation (CNNC) has installed the containment dome at the 1080 MWe ACPR1000 Tianwan-5 nuclear reactor (Jiangsu province, China). The construction of Tianwan-5 and Tianwan-6 was initially expected to start in early 2011 but was deferred in the wake of the Fukushima accident. The new units, both 1080 MWe ACPR1000 reactors, received the approval of the State Council in December 2015. CNNC intends to put both Tianwan-5 and Tianwan-6 into commercial operation by the end of 2021.
The Tianwan nuclear power plant is operated by the Jiangsu Nuclear Power Corporation, a joint venture between CNNC (50%), China Power Investment Corporation (30%) and Jiangsu Guoxin Group (20%). It consists of two 990 MW (1,060 MW gross) pressurised-water reactors (PWRs) commissioned in 2006 and 2007 and of two similar units that are currently under construction on the site. Tianwan-3 and Tianwan-4 will be AES-91 VVER-1000 units designed by Gidropress and supplied by Russian state firm Rosatom.
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