Linglong One demonstration unit, Changjiang

also Linglong One, ACP100 demonstration, 玲龙一号

CNNC's first ACP100 (Linglong One) small modular pressurised-water reactor, under construction at the Changjiang nuclear site in Hainan since 13 July 2021. Primary-circuit cold functional testing was completed in October 2025.

Operator: CNNC
Type: Power reactor
Approach: PWR
Country: CN
Status: Under construction

Design values

What the machine was built to do, as published. Not results, and never ranked.

Design values for Linglong One demonstration unit, Changjiang
Parameter	Value	Unit	Status	Source
Thermal capacity (rated) medium confidence	385 MW	MW	planned	China National Nuclear Corporation aggregator