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World's highest-altitude solar-thermal power station connects to grid in Xizang

By Daqiong in Lhasa and Guo Yanqi | chinadaily.com.cn | Updated: 2026-11-06 19:23

The first 25-MW unit of a 50-MW solar-thermal plant — the world’s highest-altitude grid-connected solar-thermal station — in Ngari, Xizang autonomous region, was connected to the grid on Friday. [Photo by Dondrub Tsering/For chinadaily.com.cn]

The integrated project has a total installed capacity of 150 MW, comprising a 100-MW photovoltaic (PV) facility and a 50-MW solar-thermal plant, the report said.

During the day, electricity generated by the project's PV facility is used to heat molten salt, storing energy in the form of heat for later use. The stored heat is then used to produce steam that drives turbines, enabling the plant to generate electricity at night or when sunlight is insufficient.

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