The Hyundai Electric-Korea Zinc Battery Energy Storage System is a 150,000kW energy storage project located in Ulsan, South Korea.

The project was announced in 2017 and was commissioned in 2018.


The Hyundai Electric-Korea Zinc Battery Energy Storage System was developed by Hyundai Electric and Energy Systems. The project is owned by Korea Zinc (100%).

The key applications of the project are reduce peak electricity cost, frequency regulation and grid support services.

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Contractors involved

Hyundai Electric and Energy Systems and Korea Zinc have delivered the battery energy storage project.

Additional information

Hyundai Electric & Energy Systems Co. has signed a contract with Korea Zinc to build an industrial ESS with a capacity of 150 MW at Korea Zinc’s refinery plant in the southeastern city of Ulsan.

About Hyundai Electric and Energy Systems

Hyundai Electric and Energy Systems Co Ltd (HEES) carries out the business of manufacturing electrical equipment and energy solutions provider. Its product portfolio includes gas insulated switchgears, power transformers, AC drivers, generators and ship automation systems. The company is headquartered in Seoul, South Korea.


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.