The Dalian-UET / Rongke Power – Battery Energy Storage System is a 200,000kW energy storage project located in Dalian, Liaoning, China. The rated storage capacity of the project is 800,000kWh.
The electro-chemical battery energy storage project uses flow as its storage technology. The project was announced in 2016 and will be commissioned in 2021.
Description
The Dalian-UET / Rongke Power – Battery Energy Storage System is owned by Dalian Rongke Power (50%) and National Energy Administration of China (50%).
The key applications of the project are black start, electric energy time shift, renewables capacity firming, renewables energy time shift and resiliency.
Contractors involved

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By GlobalDataDalian Rongke Power and National Energy Administration of China are the owners. Dalian Rongke Power and UniEnergy Technologies are the technology providers for the project.
Additional information
The battery’s purpose is to provide power during peak hours of demand, to enhance grid stability and deliver juice during black-start conditions in case of emergency. The system is expected to peak-shave about 8% of Dalian’s expected load when it comes online in 2020.
Methodology
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.