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China grid-connects Tianwan 6

Wednesday, 12 May 2021

Unit 6 at the Tianwan nuclear power plant in China's Jiangsu province was connected to the grid for the first time yesterday, according to the China Nuclear Energy Association. The milestone - at 8.27pm local time - marked the unit's entry into the grid-connected commissioning phase.

China grid-connects Tianwan 6 — (Image: China Nuclear Energy Association)

Units 5 and 6 at Tianwan - Tianwan Phase III - both feature ACPR1000 reactors. First safety-related concrete was poured for unit 5 on 27 December 2015, with that for unit 6 poured on 7 September 2016. Tianwan 5 entered commercial operation in September last year and unit 6 is scheduled to enter commercial operation by the end of this year.

Grid-connection of unit 6 potentially heralds the start of construction this month of unit 7. On 29 April, Ma Mingze, director and general manager of China Nuclear Power, said that the schedule in its contract with Russia's Rosatom anticipates construction of units 7 and 8 in May this year.

The Tianwan plant is owned and operated by Jiangsu Nuclear Power Corporation, a joint venture between CNNC (50%), China Power Investment Corporation (30%) and Jiangsu Guoxin Group (20%).