en.Wedoany.com Reported - The Datengxia Water Conservancy Project in China officially passed the completion acceptance organized by the Ministry of Water Resources on June 18, 2026, marking the full completion of all construction tasks for this key node project of the national water network, which took nine years to build, and its full transition into normal operation. Located in the Qianjiang River section within Guiping City, Guangxi Zhuang Autonomous Region, the project has a total investment of 35.736 billion yuan and a total construction period of nine years. The reservoir has a total storage capacity of 3.479 billion cubic meters, a flood control storage capacity of 1.5 billion cubic meters, and a normal water level of 61 meters.

The Datengxia Water Conservancy Project is a landmark project among the 172 major water-saving and water supply projects identified by the State Council, integrating comprehensive benefits such as flood control, navigation, power generation, water replenishment for saltwater intrusion suppression, and irrigation. Construction began in November 2014. During the construction period, all participating parties overcame multiple challenges including high temperatures and frequent rainfall, frequent floods, complex geological conditions, and the COVID-19 pandemic. They tackled numerous technical difficulties such as the manufacturing and installation of ultra-high-head miter gates and giant Kaplan turbine generator units, and completed major milestone tasks on schedule, including river closure, gate closure for water storage, ship lock navigation, and turbine power generation.

Since the project commenced operation, its comprehensive benefits have been significant. In terms of flood control, it has withstood nine numbered floods on the Xijiang River, including four in 2024. For navigation, the navigable capacity of the Qianjiang River has increased from 300-ton class to 3,000-ton class, with a cumulative cargo throughput through the ship lock of nearly 500 million tons. In power generation, the cumulative electricity output has reached nearly 29 billion kilowatt-hours. For water resource allocation, 21 emergency water replenishments have been carried out, with a total replenishment volume of 3.82 billion cubic meters. In irrigation, the project is designed to irrigate 1.206 million mu of farmland, benefiting the drinking water safety of 1.384 million people. For ecological protection, the largest water ecological protection system among water conservancy projects in China has been established, with the dual fishways observing 98 fish species and releasing nearly 20 million fish fry. During the acceptance process, experts from the acceptance committee of the Ministry of Water Resources inspected the construction and operation status of the project on site and, after thorough discussion and study, agreed to pass the completion acceptance.

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