Another nuclear facility using Hualong One technology, a domestically developed third-generation reactor design, was successfully connected to the power grid in East China's Fujian province on Jan 1. Unit No 6 of Fuqing Nuclear Power Plant of the China National Nuclear Corp became China's second and the world's third Hualong One reactor to achieve grid connection. The first nuclear reactor that uses Hualong One technology – Unit No 5 of Fuqing Nuclear Power Plant – began commercial operation last January.