China has started the construction on a 50 MW solar thermal power plant at an altitude of 4,550 metres, making it the world’s highest - altitude parabolic through solar thermal facility as reported by Xinhua news agency.
The plant is located in a mountainous area of Tibet in the southwest of the country and will part of an integrated project started in September 2025 that combines solar thermal and photovoltaic generation, with a capacity of 400 megawatts, using parabolic trough technology with thermal oil as a heat transfer fluid.
The mirror field will occupy an area of 242.000 square metres and the molten salt energy storage system will have a capacity of 6 hours, which will also allow electricity to be generated during the night.
Heating systems, oxygen supply and a hyperbaric chamber, a arirtight device in which a person breathes oxygen at high pressure for therapeutic purposes have been installed on the site. Full commissioning is scheduled for 2027.
Due to the low oxygen level in high mountain conditions, the works can only be carried out between April and October.
Once in operation, the solar thermal power plant will generate around 719 million kilowatt hours per year, serving more than 216.900 tonnes of coal equivalent and reducing carbon dioxide emissions by 652.300 tonnes.
Despite the harsh climatic conditions, the region has great potential for the development of clean energy thanks to its abundant solar, wind and water resources.
The project has already created more than 2.000 jobs for local people and contributed more than 5.2 million yuan to the regional budget.
The local
government plans to increase the installed generation capacity from 13 million
kilowatts in 2025 to 20 million in 2026.
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