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Rotor Installed for World’s Largest Impulse Hydropower Unit

Updated: August 18, 2026

A rotor was installed on the world’s largest impulse hydropower unit at the Datang Zala Hydropower Station in the Xizang Autonomous Region on August 11.

This milestone demonstrates China's world-leading capabilities in the development of core technologies for ultra-high-head and large-capacity impulse hydropower equipment, injecting strong impetus into the construction of a clean energy base in southeastern Xizang.

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A view of how the rotor is installed. [Photo/sasac.gov.cn]

The rotor, which weighs about 840 metric tons, is a core component of the generator and plays a key role in converting energy into electricity. Its installation brings the project to the final stage before commissioning.

The Datang Zala Hydropower Station is a major project designed to transmit electricity generated in Xizang to other parts of China and serves as a crucial power source for the clean energy base that will integrate hydro, wind and solar power in southeastern Xizang, a project outlined in the 15th Five-Year Plan (2026-30).

Once fully operational, the hydropower station is expected to generate nearly 4 billion kilowatt-hours of clean electricity per year, saving about 1.3 million tons of standard coal and reducing carbon dioxide emissions by 3.42 million tons annually. It will significantly contribute to China’s carbon peaking and carbon neutrality goals and promote high-quality social and economic development in the region.



(Executive editor: Zuo Shihan)