The Gulang – Wuwei Thermal Energy Storage System is a 100,000kW energy storage project located in Wuwei, Gansu, China.

The thermal energy storage project uses molten salt as its storage technology. The project was announced in 2016 and will be commissioned in 2021.


The Gulang – Wuwei Thermal Energy Storage System is being developed by Changzhou Royal Tech Solar Thermal Equipment. The project is owned by CECEP Solar Energy Technology (100%).

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

Contractors involved

CECEP Solar Energy Technology is the owner. Changzhou Royal Tech Solar Thermal Equipment is the developer.

Additional information

Type of storage: 2-tank indirect.


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.