European centre of excellence
for sustainable water technology

AquaBattery finalist in Postcode Lottery Green Challenge Award 2018

Published: 14 september 2018

Wetsus' spin-off company AquaBattery ( was finalist for the prestigious Postcode Lottery Green Challenge Award 2018, one of the world’s largest annual competitions for sustainable entrepreneurship, with 845 applications worldwide. In this, AquaBattery has won €100,000 to further develop the Blue Battery in order to speed up market introduction. This Blue Battery, as been researched and developed in the Blue Energy theme of Wetsus, stores electricity in salt water. Using salt water as storage medium makes Blue Battery unique compared to other stationary energy storage systems with respect to sustainability, availability, safety, and scalability.

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