The Schwerin-WEMAG Younicos – Battery Energy Storage System 2 is a 10,000kW energy storage project located in Schwerin, Mecklenburg-Vorpommern, Germany.

The electro-chemical battery energy storage project uses lithium-ion as its storage technology. The project was announced in 2016 and was commissioned in 2017.


The Schwerin-WEMAG Younicos – Battery Energy Storage System 2 was developed by Younicos. The project is owned by Wemag (100%).

The key applications of the project are frequency regulation, voltage support and black start.

Contractors involved

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Samsung SDI, Wemag and Younicos have delivered the battery energy storage project.

Additional information

This project is an expansion of 5 MW/5 MWh Schwerin 1 lithium-ion battery plant at Schwerin-Lankow in Germany. The facility is owned by north German energy supplier WEMAG. According to Younicos, the additional 10 MW of power provided in the second phase comprises a network of 53,444 lithium-ion batteries in 215 battery cabinets, 18 inverters, nine transformers and a medium-voltage system.

About Younicos

Younicos Gmbh (Younicos), a subsidiary of Aggreko Plc, is a provider of smart energy and grid solutions based on battery storage technology. The company offers Y-Cube plug and play energy storage solution, Y-Station building solution, and Y-Q software platform. It also provides battery packs used in various applications such as frequency regulation, voltage control, short circuit, renewable energy integration, peak shaving and others. Younicos’ products are also used for renewable integration, ramp control, frequency response, voltage support, frequency regulation and load shifting. The company offers its solutions for utilities, independent power producer, commercial and industrial, and microgrids. It has operations in Germany and the US. Younicos is headquartered in Berlin, Germany.


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.