年发电51.8亿度 四川大渡河硬梁包水电站全面投产
Yang Shi Xin Wen·2025-08-22 14:30

Core Viewpoint - The Huanliangbao Hydropower Station, located in Sichuan Province, is a key project under China's 13th Five-Year Plan for power development, with a total installed capacity of 1.116 million kilowatts [2] Group 1: Project Overview - The hydropower station utilizes a long tunnel water diversion method, featuring two water diversion tunnels each 14.4 kilometers long, increasing the water level difference from 26 meters to 116 meters for power generation [3] - The maximum excavation diameter of the tunnels reaches 16.7 meters, setting a new record for domestic water diversion hydropower station tunnel excavation [3] Group 2: Environmental Impact - Upon full operation, the hydropower station is expected to provide over 5.18 billion kilowatt-hours of clean energy annually, saving approximately 1.55 million tons of standard coal and reducing carbon dioxide emissions by about 4.07 million tons, contributing significantly to China's green and low-carbon development [6] Group 3: Technical Achievements - The station consists of four 270,000-kilowatt mixed-flow units and one 36,000-kilowatt axial-flow unit, making it the largest combined power station with two powerhouses in terms of installed capacity in China [6] - The dam height is 41 meters, making it the highest concrete dam with a deep cover layer in the country [6] - The cover layer depth is 130 meters, the deepest panel dam foundation in high seismic intensity areas in China [6] - The flood discharge capacity is 89 cubic meters per second, the largest single-width flood discharge capacity for a water gate with a deep cover layer foundation in the country [6] - The intake width is 123 meters, the widest concentrated arrangement intake in the country [6] - The height of the pressure regulating chamber is 118.2 meters, the highest underground corridor-type resistance pressure regulating chamber in the country [6]