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Tianwan NPP

Tianwan NPP is the largest facility used in Russian-Chinese economic cooperation.

Tianwan NPP

Tianwan Nuclear Power Plant is located on the shore of Yellow Sea in Lianyungang city of Jiangsu province in China.
The plant is the largest project being developed under collaboration between China and Russia.
The collaboration was a part of a cooperation agreement signed between the countries in 1992.

The NPP is owned and operated by:
  • Jiangsu Nuclear Power Corporation (JNPC), a joint venture of China National Nuclear Corporation (CNNC), (50%)
  • China Power Investment Corporation (30%)
  • Jiangsu Guoxin Group (20%)
The construction contract for Tianwan NPP was signed between Atomstroyexport, the engineering division of Russia’s state-owned nuclear energy company Rosatom, and JNPC in December 1997.

The NPP is being constructed with 8 units in 4 phases.
The plant will have a total generating capacity of approximately 8,100 MW and will produce up to 60 to 70 billion kWh of electricity annually, once fully operational.

Tianwan Phase I - units 1 and 2 - was constructed under a 1992 cooperation agreement between China and Russia.
1st concrete was poured in October 1999, and the units were commissioned in June 2007 and September 2007, respectively.

Tianwan Phase II - units 3 and 4 - are similar to the 1st stage of the Tianwan plant, comprising 2 Russian-designed 1060 MWe VVER-1000 PWRs.
1st concrete for unit 3 was poured in December 2012, while construction of the 4th unit began in September 2013.
Unit 3 entered commercial operation in February 2018, with unit 4 following in December.

In March 2019, a general contract for Phase IV - units 7 and 8 - of the Tianwan plant was signed between AtomStroyExport, the engineering division of Rosatom, and CNNC.

The Tianwan NPP features 4-channel security system, as well as an active and passive safety system.
The nuclear reactor has a double containment vessel, which can withstand any natural disaster such as an earthquake or explosion.

The core of the reactor vessel is equipped with a core catcher at the bottom of the vessel.
It is a container type structure, which can hold all the core liquid and solid fragments in case of an accident, preventing radioactive emission.

Thermal imaging systems, containing a television camera with a guiding device, have been installed in the radiation zone, which can operate at extremely high radiation levels.
The hydrogen elimination facilities of the units meet the post-Fukushima safety requirements.

The agreement between Russia and China on the joint construction & operation of the demonstration fast reactor in China, covers construction of innovative power units of the Russian design with VVER-1200 reactors at 2 sites in China - Tianwan NPP and Xudabao NPP.