Atomstroyexport, the engineering division of the Russian state-owned nuclear company Rosatom, has installed the reactor pressure vessel of Unit 7 of the Tianwan nuclear power plant, located near Lianyungang in China’s Jiangsu Province. Tianwan’s Unit 7 consists in a Russian built VVER-1200 reactor with a capacity of 1,171 MW.
The Tianwan nuclear power plant currently comprises six operational reactors (units 1 through 6) totalling about 6 GW, as well as two units under construction (7 and 8) amounting to around 2.3 GW. Units 7 and 8 are expected to be fully commissioned in 2027 and 2028 respectively. They are being developed by China National Nuclear Corporation (CNNC) in partnership with Russia’s Rosatom following a contract signed in 2019 between the two entities. Russia has already supplied its VVER-1000 pressurised water reactor technology for the plant’s Units 1 through 4. Units 5 and 6 consist in Chinese-built ACPR-1000 reactors. 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.
At the end of 2022, China’s nuclear capacity reached 55.5 GW and its nuclear power generation reached 418 TWh. China targets 200 GW of nuclear capacity by 2035. The country currently has over 31 GW of nuclear capacity under construction and 176 GW under development.
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