The Fuqing nuclear plant’s Unit 6, one of two Chinese-designed and -developed Hualong One reactors at the site, has entered commercial operation, China National Nuclear Corporation (CNNC) announced on March 25. The milestone was reached some 14 months after the reactor’s twin, Fuqing-5, became the first Hualong One in the world to enter commercial operation.

Also known as the HPR1000, the Hualong One is a 1,000-MWe Generation III pressurized water reactor that incorporates design elements of CNNC’s ACP1000 and China General Nuclear Power Group’s ACPR1000+.