The CGN Delingha Solar Thermal Plant – Molten Salt Thermal Energy Storage System is a 50,000kW energy storage project located in Delingha, Haixi, Qinghai, China.

The thermal energy storage project uses molten salt as its storage technology. The project was announced in 2015 and was commissioned in 2018.


The CGN Delingha Solar Thermal Plant – Molten Salt Thermal Energy Storage System was developed by CGN Solar Energy Development. The project is owned by CGN Solar Energy Development (100%), a subsidiary of China General Nuclear Power.

The key applications of the project are renewables capacity firming and renewables energy time shift.

Contractors involved

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CGN Solar Energy Development has delivered the project.

About CGN Solar Energy Development

CGN Solar Energy Development Co., Ltd. (CGN Solar Energy Development) is specialized in generation, transmission, and/or distribution of electric energy. The company is headquartered in China.


All publicly-announced energy storage projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects are sourced through secondary information sources such as country specific power players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.