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Germany to host world’s first long-duration AirBattery storage project
Augwind’s AirBattery will store green energy for weeks in giant German salt caverns, easing Europe's grid pressures.
The project, slated for commissioning between 2027 and 2028, will use a mined salt cavern to store compressed air and generate electricity, offering storage capacity for weeks or even months. By storing energy closer to Northern Germany’s wind generation hubs, it reduces the need for costly infrastructure to move power southward, where coal and nuclear facilities once dominated. Unlike lithium-ion batteries, AirBattery is built with local materials, runs in a closed water system, and offers nearly unlimited storage duration, limited only by the size of the cavern.
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