华中地区单机容量最大抽水蓄能电站首台机组投产发电

Core Points - The first unit of the largest pumped storage power station in Central China, located in Henan, has commenced operation, marking a significant milestone in the region's energy infrastructure [1][2] - The project has a total installed capacity of 1.4 million kilowatts, featuring four reversible pump turbine generator units, each with a capacity of 350,000 kilowatts [1] - The station is designed to generate an average annual pumping electricity of 15.88 billion kilowatt-hours and a power generation capacity of 11.91 billion kilowatt-hours, which is expected to save 118,000 tons of standard coal and reduce carbon dioxide emissions by 310,000 tons annually [1] Project Innovations - The project utilizes a pioneering approach in China by employing a slant shaft TBM (Tunnel Boring Machine) construction method, which represents a major innovation in the design, equipment, construction, and management of water diversion shafts [1] - The station has implemented prefabricated construction techniques in various areas, significantly reducing high scaffolding and on-site pouring operations, thereby lowering safety risks and enhancing efficiency while minimizing environmental impact [1] Future Impact - The power station is expected to be fully operational by 2026, playing a crucial role in peak regulation, valley filling, frequency modulation, phase adjustment, and emergency backup for the Henan power grid [2] - This development is anticipated to optimize the power supply structure in Central China, enhance grid stability, and promote energy transition in the region [2]