China Achieves First Sustained Fission at Changjiang Unit Three

By Kaif Shaikh · Interesting Engineering · 2026-07-15

According to Interesting Engineering, China National Nuclear Corporation has initiated a controlled chain reaction within its newest Hualong One reactor in Hainan Province. This milestone signifies that the 1,100 MWe unit has reached criticality and is beginning low-power physics

According to Interesting Engineering, China National Nuclear Corporation has initiated a controlled chain reaction within its newest Hualong One reactor in Hainan Province. This milestone signifies that the 1,100 MWe unit has reached criticality and is beginning low-power physics