Chinese state-run nuclear corporation China National Nuclear Corporation (CNNC) has completed fuel loading into the fifth unit of the Tianwan nuclear power project in the Jiangsu province of China, paving the way for grid-connected power generation. The Unit 5 consist of a Chinese-designed ACPR1000 pressurised water reactors(PWR) rated 1,080 MWe (similar design for Unit 6).
The Tianwan nuclear power plant already includes a first phase of two 990 MW (1,060 MW gross) units, which were commissioned in 2007. Tianwan-3 (1,060 MW net, 1,126 MW gross) entered commercial operation in February 2018 and Tianwan-4 (990 MW net, 1,060 MW gross) in October 2018. The construction of two additional 1,000 MW (1,080 MW gross) ACPR1000 reactors, Tianwan-5 and 6, started in late 2015 and early 2016, respectively; the two units are expected to be commissioned by the end of 2021. Two additional VVER-1200 reactors, Tianwan-7 and Tianwan-8, are also under development though without any specific commissioning date so far. With all eight reactors in operation, Tianwan would become the largest nuclear power plant in the world, with a total capacity of 8.1 GW.
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%).
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