HDPI(SH:600027) Xin Hua Cai Jing·2025-12-27 06:26Core Insights - The first batch of units at the Yebatan Hydropower Station, the highest arch dam power station under construction in China, officially commenced operation on December 27, contributing to the development of a new energy system and the construction of an energy powerhouse [1] Group 1: Project Overview - The Yebatan Hydropower Station is located on the Jinsha River, straddling the counties of Baiyu in Sichuan and Gongjue in Tibet, and is a major project under China's 14th Five-Year Plan [1] - It has a total installed capacity of 2.24 million kilowatts and a maximum dam height of 217 meters, characterized by five high and one large features: high cold, high altitude, ultra-high arch dam, high ground stress, high burial depth, and large-span underground powerhouse [1] Group 2: Operational Impact - The first units to be put into operation are units 4 and 3, achieving a "double launch" in one month [1] - Once fully operational, the station is expected to generate an average annual electricity output of over 10.2 billion kilowatt-hours, saving approximately 3.1 million tons of standard coal and reducing carbon dioxide emissions by over 8.3 million tons annually [1] Group 3: Energy Transmission and Environmental Benefits - The clean electricity generated will be transmitted through the world's first large-capacity water-solar complementary direct current transmission line, the Jinsha to Hubei ±800 kV DC project, to the central China region [1] - This project is significant for optimizing China's energy structure, promoting green and low-carbon energy transition, and enhancing national energy security [1]