BELECTRIC builds largest battery storage system in Saxony

7th March 2017

Rated capacity of 15.9 MWh is equivalent to that of two million smartphones.

BELECTRIC battery storage at ChemnitzBELECTRIC is constructing the German state of Saxony’s largest battery storage system in the city of Chemnitz. The new storage system, which is expected to come online in the second quarter of 2017, will provide primary frequency response for the grid electricity market, becoming an important component in securing Saxony’s energy supply. BELECTRIC is acting as a general contractor for municipal energy producer and distributor Eins (energie in sachsen) GmbH & Co KG.

Total investment in the Chemnitz project will run to approximately 10 million euros, including one million euros in funding from the state of Saxony. The grant was presented in October 2016 by State Secretary Stefan Brangs, who comments: “With our funding of the battery storage system, we can cope a little bit better with the challenges presented by the Energiewende [energy transition]. Ensuring the security of the energy supply is our top priority. This is why, among other things, Saxony is investing in energy storage to compensate for fluctuations in the electricity grid. Alongside grid expansion, storing electricity from primarily renewable energy sources will be a component for security of supply in the future.”

In the last three years, energy storage technology has become suitable for everyday use. Current systems not only have high capacity, but can also provide specialised grid services to make the best possible use of today’s modern power grid without requiring further grid expansion in the future.

Roland Warner, Chairman of the Eins management board, said: “Our role as a municipal energy producer and distributor is to actively shape the energy transition. Our battery storage systems are contributing to its success.”

BELECTRIC energy storage systems can be used to provide primary frequency response due to their high reliability, as BELECTRIC’s Bernhard Beck explains. “Modern power grids are intelligent and demand oriented. In the renewable energy supply sector, ancillary grid services cannot be provided only by conventional power plants. Decentralized solutions have to play a primary role. We can then achieve the most environmentally friendly, low-loss power supply possible depending on location and availability.

“Our energy storage systems are the link between modern grids and the volatile power generation of renewable energies. The ability of our energy storage systems to deliver full power in a fraction of a second is an important advantage in stabilising the power grid.”

Battery storage building at ChemnitzBELECTRIC has many years of experience in constructing solar PV power plants and other integrated energy systems around the world. The Eins Chemnitz project is one of the largest battery energy storage systems in Germany, and one of several that BELECTRIC is developing and constructing. Unlike BELECTRIC’s modular EBU (Energy Buffer Unit) product range, the Eins project is a building integrated storage system. The building is being designed and constructed in collaboration with the architects and engineers of ADOBE Architekten+Ingenieure GmbH, complementing BELECTRICs in-house expertise in construction, software development and project management.

To find out more, please visit us at the Energy Storage Europe trade fair at Messe Düsseldorf, Germany, from 14th to 16th March 2017 – Hall 8b, Booth C31.

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