SMRTR Science & EngineeringAug 6, 2026Interesting Engineering

China’s 1,200 MW nuclear reactor unit successfully completes cold test milestone

SMRTR summary

China's Tianwan nuclear power plant in Jiangsu Province completed a key cold functional test on Unit 8, confirming its primary cooling systems are leak-tight before nuclear fuel is loaded. The 1,200 MW reactor uses a Russian-designed VVER-1200 design, and when both Units 7 and 8 are fully operational, they will generate 18.8 billion kilowatt-hours annually, helping displace fossil fuels across the region.

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