Core Insights - The Taizi River Pumped Storage Power Station in Liaoning has achieved a significant milestone with the completion of the ventilation and safety tunnel, finishing 85 days ahead of schedule, which lays a solid foundation for subsequent construction phases [2] - The project is the largest pumped storage power station under construction in Northeast China, with a total investment of 12.145 billion yuan and a designed capacity of 1,800 megawatts [2] - The project aims to generate 3.614 billion kilowatt-hours annually and has a water pumping capacity of 4.818 billion kilowatt-hours, with the first unit expected to be connected to the grid by 2030 [2] Construction Progress - The ventilation and safety tunnel spans 1,395 meters and is a critical control project within the overall pumped storage initiative, achieving a monthly advancement record of 203 meters [2] - The construction team has worked continuously since the first blast on December 6, 2024, to complete the tunnel three months ahead of the planned schedule [2] Digitalization and Management - The smart construction center for the Taizi River Pumped Storage Power Station has been put into operation, utilizing IoT, big data, AI, 5G, and BIM technologies to enhance construction efficiency and safety [3] - The project has received strong support from local government, which has established working groups and streamlined administrative processes to facilitate timely project advancement [3] Future Impact - Once completed, the power station will primarily serve the Liaoning power grid, playing a crucial role in peak shaving, valley filling, energy storage, frequency modulation, and emergency backup, thereby supporting the development of clean energy and improving power supply quality [4] - The project aligns with national goals for carbon peak and carbon neutrality, contributing to the optimization of the energy structure and the layout of pumped storage in the power grid [4]

Group 1 - The Liaoning Taizhe River Pumped Storage Power Station project is a key energy project under China's 14th Five-Year Plan, with a total investment of 12.145 billion yuan and an installed capacity of 1,800 megawatts [1][3] - The project is expected to generate an annual power output of 3.614 billion kilowatt-hours and an estimated annual revenue of 1.6 billion yuan [1] - The construction is progressing rapidly, with the project having completed over 30 specialized research reports in just 10 months, marking the fastest approval speed for pumped storage projects in Liaoning Province [3] Group 2 - The project incorporates advanced technologies such as IoT, big data, AI, 5G, and BIM for digital and intelligent transformation, aiming to enhance safety, efficiency, and environmental management [2] - The construction site features a ventilation and safety tunnel with a total length of 1,428 meters, of which 593 meters have been excavated [2] - The power station will play a crucial role in grid peak regulation, energy storage, frequency modulation, and emergency backup, contributing positively to the economic development of Northeast China and improving local living standards [3]