The installed pump, a shielded single-speed vertical fully-sealed unit, is designed to meet high safety, sealing, and durability standards. Manufactured by Hainan Nuclear Power and Harbin Electric Equipment, the pump was delivered to the site in March. CNNC described it as the “heart” of the reactor coolant system, stating: “The installation of the first pump further demonstrates China's comprehensive strength in the design of new nuclear energy systems, high-end equipment manufacturing and coordinated management of complex projects.”
The Changjiang site, where the ACP100 is under construction, already hosts two operational CNP600 pressurized water reactors. Additionally, two Hualong One units, which began construction in March and December 2021, are expected to start commercial operation by the end of 2026. The ACP100 project, launched in July 2019, saw its first concrete poured on 13 July 2021, with a planned construction timeline of 58 months. Key milestones include the start of equipment installation in December 2022, completion of the reactor building’s main internal structure in March 2023, and the hoisting of the outer containment dome in February this year.
The 125 MWe ACP100, an integrated pressurized water reactor, has been in development since 2010, with its preliminary design finalized in 2014. In 2016, it became the first SMR to pass a safety review by the International Atomic Energy Agency. Upon completion, the reactor is projected to generate 1 billion kilowatt-hours of electricity annually, sufficient to power approximately 526,000 households. The design supports multiple applications, including electricity production, heating, steam generation, and seawater desalination.
The ACP100 project highlights CNNC’s expertise in nuclear technology and its commitment to sustainable energy solutions, contributing to the energy needs of Hainan and beyond.
