Grid-stabilising battery park goes online in northern Germany

LinkedIn
Twitter
Reddit
Facebook
Email

A large scale ‘battery park’ has gone online in West Meklenberg, Germany, designed to stabilise grid frequency in an area where a large amount of power generation comes from wind and other renewable energy.

The battery power plant has a rated power output of 5MW and a capacity of 5MWh and is fully automated. It was built by renewable energy and battery system specialist Younicos, with lithium-ion cells supplied by Samsung SDI. The project has been delivered for the regional subsidiary of utility company WEMAG.

WEMAG’s grid has around 800MW of renewable energy capacity installed, which generated around 80% of the energy used in the company’s serviced grid area. According to Younicos, the utility expects this figure to rise to 100% this year. The capacity and output of the park can be doubled to 10MWh and 10MW, respectively.

Germany’s vice chancellor Sigmar Gabriel (second from left), who is also economy and energy minister, at the opening of the park on Tuesday, pictured with younicos executives and local minister Erwin Sellering. Image: younicos
At present the West Meklenberg battery park houses 25,600 lithium-manganese-oxide cells, connected to the grid by medium voltage transformers, capable of boosting the current from 480v up to 20kv and back again. Younicos’ software drives the system, controlling the interaction of batteries between each other and with the grid, as well as ensuring the batteries are suitably charged, both to offer enough capacity to perform its required tasks and to regulate charging to optimise battery life. The system will be housed in a purpose- built hall next to a 110kv substation and will be connected to both the local grid and the 380kv high voltage transmission grid.

This article requires Premium SubscriptionBasic (FREE) Subscription

Enjoy 12 months of exclusive analysis

Not ready to commit yet?
  • Regular insight and analysis of the industry’s biggest developments
  • In-depth interviews with the industry’s leading figures
  • Annual digital subscription to the PV Tech Power journal
  • Discounts on Solar Media’s portfolio of events, in-person and virtual

Or continue reading this article for free

Younicos claims the 5MW system can compete with a 50MW gas turbine in frequency regulation markets. This will be put to the test as the commercialised system will participate in frequency regulation markets, as it balances the discrepancies between production and consumption of energy.

Younicos was contracted last year to install a large-scale battery test project in Leighton Buzzard, England with a 6MW capacity and was also awarded a tender to install a similar, 1MW/1MWh project on the Italian island of Sardinia. Each project also uses Samsung SDI cells.

The park houses 25,600 Samsun SDI cells, which are guaranteed for 20 years by the manufacturer. Image: younicos

11 November 2025
San Diego, USA
The 2024 Summit included innovative new features including a ‘Crash Course in Battery Asset Management’, Ask-Me-Anything formats and debate-style sessions. You can expect to meet and network with all the key industry players again in 2025 from major US asset owners, operators, RTOs and ISOs, optimizers, software and analytics providers, technical consultancies, O&M technology providers and more.

Read Next

August 29, 2025
The Australian government has opened two CIS tenders in Western Australia, targeting 2.4GWh of energy storage and 1.6GW of renewables.
August 29, 2025
Potentia Energy, a joint venture co-owned by Enel Green Power and INPEX, has secured the first environmental approval for a grid-scale battery energy storage system (BESS) under South Australia’s new Hydrogen and Renewable Energy (HRE) Act.
August 29, 2025
French independent power producer (IPP) Neoen, which is now fully owned by Canadian investment firm Brookfield, has switched on the second phase of its 560MW/2,240MWh Collie BESS in Western Australia.
Premium
August 28, 2025
Energy-Storage.news Premium speaks with Sergio Melendez, storage sector manager at CAISO, and Ali Karimian, market optimisation director at GridBeyond, about regulating Bid Cost Recovery Payments in the California Independent System Operator market.
August 28, 2025
California utility Pacific Gas and Electric (PG&E) has pushed back recommissioning of the Elkhorn battery energy storage system (BESS) by approximately one year, to 30 June 2026.

Most Popular

Email Newsletter