The Luneng Haixi State Multi-Energy Complementary Base Energy Storage System is a 50,000kW energy storage project located in Geermu city, Haixi state, Qinghai, China.

The electro-chemical battery energy storage project uses lithium-ion as its storage technology. The project was commissioned in 2019.


The Luneng Haixi State Multi-Energy Complementary Base Energy Storage System was developed by SEPCOIII Electric Power Construction.

The key applications of the project are demand response and grid support services.

Contractors involved

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By GlobalData

Contemporary Amperex Technology and SEPCOIII Electric Power Construction have delivered the battery energy storage project.

Additional information

It consisted of 50 standard containers and 25 sets of 35kV boxes. Each container was equipped with 1 MW/2 MWh lithium iron phosphate battery subunit (two 500kW PCS), which was connected to the 35kV side of Xinlu 330kV collection station. The Haixi Multi-Complementary Integrated Optimization Demonstration Project was a pure clean energy project led by wind, light, heat and storage. The energy storage project was mainly to optimize and compensate wind power and photovoltaic, avoided to abandon wind and light, and smooth output curve. , cutting peaks and filling valleys. This project combined photothermal-photovoltaic-wind power and energy storage to form an optimal combination of wind, light, heat and storage in Haixi. It can effectively solve the problems of the imbalance of power output during peak and low peak periods and improve the stability of the grid.

About SEPCOIII Electric Power Construction

SEPCOIII Electric Power Construction Co Ltd (SEPCOIII), a subsidiary of Power Construction Corporation of China Ltd, is a construction company that offers power plant construction services. The company’s services include designing, consulting, construction, procurement, engineering, operation, operating services, commissioning, and maintenance services. Its operating services comprise engineering, procurement, construction and operations, procurement management contracting, build-own-operate, build-operate-transfer services and others. SEPCOIII offers its services for thermal, nuclear, hydro, gas, transformer substation, biomass, wind, solar energy, photovoltaic, sea water desalination, and other power plants. The company has its operations in Nigeria, Saudi Arabia, India, Jordan, Oman, Iraq, Bosnia and Herzegovina, Egypt, and Morocco. SEPCOIII is headquartered in QingDao, Shandong, 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.