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green flexibility launches new 25 MWh storage project in the Augsburg district

A 25 MWh large-scale battery storage system will strengthen regional grid stability and support the integration of renewable energy. In Walkertshofen, green flexibility is developing a large-scale battery storage facility with an investment of 10 million euros.


Kempten, June 6, 2025


In the Swabian municipality of Walkertshofen (Augsburg district), green flexibility is developing a new battery storage project with a capacity of 10 megawatts and 25 megawatt-hours.


Grid-supportive operation as a key element of the energy transition


The battery storage system will operate in a grid-neutral mode, allowing the grid operator to temporarily limit the storage system’s output during certain grid situations to prevent network congestion. This is particularly important during periods of high feed-in from photovoltaic systems. In this way, grid bottlenecks can be avoided, fluctuating generation balanced, and renewable energy efficiently integrated.


"Our goal is to advance the energy transition without losing sight of regional grid requirements. That’s why this project will also incorporate elements of our REGIOlink concept, which ensures close alignment with the technical and operational needs of local grid operators," explains Christoph Lienert, Co-Founder und COO of green flexibility.

The battery storage facility will be built next to the Walkertshofen substation
The battery storage facility will be built next to the Walkertshofen substation

10 million euros for the energy transition


With the Walkertshofen storage system, green flexibility is expanding its nationwide project pipeline and bringing innovative storage solutions to where they are most needed: regions with a growing share of renewable energy and infrastructure challenges. At the same time, this creates a forward-looking building block for a stable, sustainable energy supply in Bavaria.


Construction is scheduled to begin in early 2026, with commissioning planned for the second quarter. The total investment amounts to around 10 million euros.


Press Images

Photo of Christoph Lienert, COO & Co-Founder green flexibility

Photo of the site in Walkertshofen

Photo of an existing facility in Immenstadt that will go into operation in June

Photo credits: green flexibility



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