Recently, China Energy Construction Group Jiangsu Power Construction No. 3 Company won the bid for the civil construction project of the conventional islands of Units 7 and 8 of the Tianwan Nuclear Power Plant. Tianwan Nuclear Power Station is located in Lianyungang District, Lianyungang City, Jiangsu Province, and plans to build 8 million-kilowatt-class pressurized water reactor nuclear power units. Among them, units 1 to 4 use Russian VVER-1000 nuclear power units; units 5 and 6 use China National Nuclear Corporation’s independent M310+ improved models; units 7 and 8 use Russia’s advanced VVER-1200 third-generation nuclear power units, AES-2006 (VVER-1200/V491) PWR nuclear power generating set.

Project Introduction

The scope of Jiangsu Power Construction No. 3 Company's bid for this time is the civil works of the conventional islands of Units 7 and 8, including the civil works of the conventional island main plant, UQA circulating water pump house and other BOP sub-projects. It is estimated that units 7 and 8 will start in May 2021 and March 2022, respectively. The construction period of a single unit is 65 months, and the construction interval of two units is 10 months. Tianwan Nuclear Power Unit No. 1 conventional island installation and No. 2 conventional island civil construction and installation, and No. 3 to No. 6 conventional island civil construction and installation works were undertaken by Jiangsu Power Construction Third Company. Among them, Unit 1 was put into operation in May 2007, Unit 2 was put into operation in August 2007, Unit 3 was put into operation in February 2018, Unit 4 was put into operation in December 2018, and Unit 5 was put into operation in December 2018. It will be put into operation in September 2020. Unit 6 will be loaded soon and is scheduled to be put into operation in April this year. At present, the overall operation of the 5 units is good, and the emissions of the three wastes are far below the national control standard, and the national safety production standardization level 1 has been fully realized.

Tianwan Nuclear Power Station is the largest technical and economic cooperation project between China and Russia so far. After all 8 units are completed, Tianwan Nuclear Power Station will become China’s first large-scale nuclear power energy base with VVER models as the core technology, and the total installed capacity will exceed 900 10,000 kilowatts, with an annual power generation capacity of about 70 billion kWh, will form the country’s largest nuclear energy base and promote the development of my country’s nuclear power construction.Editor/Xing Wentao