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  1. Market Data
September 2, 2021

Huanghe Qinghai Delingha DSG Tower – Thermal Energy Storage System, China

By Carmen

The Huanghe Qinghai Delingha DSG Tower – Thermal Energy Storage System is a 135,000kW energy storage project located in Haixi, Delingha, Qinghai, China.

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


The Huanghe Qinghai Delingha DSG Tower – Thermal Energy Storage System is being developed by BrightSource Energy. The project is owned by CPI Huanghe Hydropower Development (100%).

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

Contractors involved

CPI Huanghe Hydropower Development is the owner. BrightSource Energy is the developer.

Additional information

Electricity generation of the plant: 628,448 MWh/yr. Type of storage: 2-tank indirect. IDOM provided design services for the project.

Supcon Solar will take over the 135MW CSP project from the previous investor, Huanghe Hydropower Development Co., Ltd, a subsidiary of China State Power Investment Corporation.

About BrightSource Energy

BrightSource Energy Inc (BrightSource) is a solar thermal technology solution provider. It develops, constructs and operates solar, wind and conventional power projects. It develops and deploys concentrating solar thermal technology to produce electricity and steam for electric power, petroleum and industrial-process markets. BrightSource’s solar technology solutions find applications in various industrial processes such as mining, chemical processing and desalination. The company generates clean energy through its solar thermal plant. It serves power, petroleum and other industrial sectors. The company has operations in the US, China, the UK and Israel. BrightSource is headquartered in Oakland, California, the US.


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.

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