In line with Huaneng Group’s vision of building the TB Hydropower Project into a “green and smart power station”, the construction of the underground power plant at the TB Hydropower Project was carried out in conjunction with the construction and application of intelligent construction projects. With the methods of internet of things, radio frequency identification (RFID), data acquisition, and cloud technology, intelligent ventilation of underground caverns, underground construction that operates akin to surface-level projects, as well as the visualization, informatization, digitization, and intelligentization of the construction site were achieved. These achievements have led to breakthroughs in intelligent construction technology for hydropower projects, improving the standards of construction and management. This progress has firmly established the groundwork for the TB Hydropower Project to realize its ambition of becoming a “green and smart power station”.