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Tianwan Nuclear Power Plant

Tianwan Nuclear Power Plant
The second phase construction of Tianwan Nuclear Power Plant.JPG
Unit one and two with the construction site of unit three and four
Coordinates34°41′13″N 119°27′35″E / 34.68694°N 119.45972°E / 34.68694; 119.45972
Construction began1999
Commission dateMay 17, 2006
Owner(s)Jiangsu Nuclear Power
Nuclear power station
Reactor typePWR
Reactor supplierAtomstroyexport
Power generation
Units operational2 × 990 MW
2 × 1050 MW
Units planned2 × 1150 MW
Units under const.2 × 1000 MW
External links
CommonsRelated media on Commons
Tianwan Nuclear Power Plant
Simplified Chinese田湾核电站
Traditional Chinese田灣核電站

Tianwan Nuclear Power Station is a nuclear power plant in Lianyungang prefecture level city, Jiangsu province, China. It is located on the coast of the Yellow Sea approximately 30 kilometers east of Lianyungang proper.

The nuclear power plant consists of two reactor units each rated at 1,000 MW capacity and constructed by Russia's Atomstroyexport. The first reactor began full operations in 2006 and the second in 2007.[1]


Construction commenced on 20 October 1999 for the first unit, and on 20 October 2000 for the second reactor unit. The first reactor went critical on 20 December 2005. Construction of the second reactor finished in May 2007 and commercial operation began in August.[1] This is the first time the two countries have co-operated on a nuclear power project.

On 23 November 2010, Jiangsu Nuclear Power Corporation signed a contract with Atomstroyexport according to which Atomstroyexport will supply 1060 MWe VVER-1000 reactors for units 3 and 4.[2][3] Construction of unit 3 was delayed by the 2011 nuclear accident in Japan, but finally began in December 2012.[4]

China National Nuclear Corporation (CNNC) and Atomstroyexport signed the detailed contract for the construction of two VVER-1200s (Tianwan 7 and 8) on 7 March 2019. Construction of Tianwan 7 will start in May 2021 and Tianwan 8 in March 2022. Commercial operation is expected in 2026 and 2027.[5]


Both units use VVER pressurized water reactor (PWR) technology supplied from Russia. Together they cost approximately US$3.3 billion. The units are the Russian standard reactor type VVER-1000/392 (also carries the designation of VVER-1000/428) adapted specifically for China.

These VVER 1000 reactors are housed in a confinement shell capable of being hit by an aircraft weighing 20 tonnes and suffering no expected damage. Reactors also received additional protection from earthquakes. Other important safety features include an emergency core cooling system and core confinement system. Russia delivered initial fuel loads for the Tianwan reactors. China planned to begin indigenous fuel fabrication for the Tianwan plant in 2010, using technology transferred from Russian nuclear fuel producer TVEL.[6]

"The station has four levels of security. There's a double asbestos cluster, which blocks any kind of emissions. Also there's a revolutionary security improvement called the trap, which prevents any leakage of nuclear fuel in the event of a breakdown", Alexandr Selikhov, Head of Atomstroyexport's delegation to China

The Tianwan Nuclear Power Plant uses third party parts. While the reactor and turbo-generators are of Russian design, the control room was designed and built by an international consortium (including Siemens). In this way the plant was brought to meet the toughest recognised safety standards; safety systems were already mostly in place but the previous monitoring of these systems did not meet international safety standards. The new VVER 1000 plant built in China has 94% of its systems automated, meaning the plant can control itself under most situations. Refueling procedures require little human intervention. Five operators are still needed in the control room.

Built reactors are Third Generation, except Unit 5 and 6.[clarification needed]


The Tianwan nuclear power plant has four operating units, two more under construction, and two planned future reactors:

Unit[7] Reactor type Net
Tianwan-1[8] VVER-1000/428 (AES-91) 990 MW 1,060 MW 20 October 1999 12 May 2006 17 May 2007
Tianwan-2[9] VVER-1000/428 (AES-91) 990 MW 1,060 MW 20 October 2000 14 May 2007 16 August 2007
Tianwan-3[10] VVER-1000/428M (AES-91) 1,050 MW 1,126 MW 27 December 2012 30 December 2017[11] 15 February 2018[12]
Tianwan-4[13] VVER-1000/428M (AES-91) 1,050 MW 1,126 MW 27 September 2013 27 October 2018 [14] 22 December 2018[15]
Tianwan-5 ACPR-1000[16] 1,000 MW 1,080 MW 27 December 2015[17]
Tianwan-6 ACPR-1000[16] 1,000 MW 1,080 MW 07 September 2016[18]
Tianwan-7[19] VVER-1200 1,150 MW 1,200 MW
Tianwan-8[19] VVER-1200 1,150 MW 1,200 MW

See also


  1. ^ a b "The second power unit of TAES commissioned for commercial operation". August 18, 2007. Retrieved 2010-05-12.
  2. ^ "ASE contracted to build Tianwan phase 2". World Nuclear News. 23 November 2010. Retrieved 23 November 2010.
  3. ^ "EPC contract signed for Tianwan Phase II". World Nuclear News. 13 October 2011. Retrieved 28 October 2011.
  4. ^ "First concrete at Tianwan 3". World Nuclear News. 29 December 2012. Retrieved 2 January 2013.
  5. ^ "AtomStroyExport unveils schedule for China projects". World Nuclear News. 3 April 2019. Retrieved 3 April 2019.
  6. ^ "Tianwan fuel fabrication moves to China". World Nuclear News. 2 March 2010. Retrieved 30 September 2013.
  7. ^ "China, People's Republic of". Power Reactor Information System (PRIS). International Atomic Energy Agency (IAEA). Retrieved 2010-05-12. External link in |work= (help)
  8. ^ "Tianwan 1". PRIS. IAEA. 29 September 2013. Retrieved 30 September 2013.
  9. ^ "Tianwan 2". PRIS. IAEA. 29 September 2013. Retrieved 30 September 2013.
  10. ^ "Tianwan 3". PRIS. IAEA. 29 September 2013. Retrieved 30 September 2013.
  11. ^ []
  12. ^ []
  13. ^ "Construction begins on Tianwan 4". World Nuclear News. 27 September 2013. Retrieved 30 September 2013.
  14. ^ []
  15. ^ []
  16. ^ a b Nuclear Power in China, World Nuclear Association
  17. ^ []
  18. ^ []
  19. ^ a b "Nuclear Power in China". Information Papers. World Nuclear Association (WNA). 24 September 2013. Retrieved 30 September 2013.