AQUABATTERY, a Dutch climate tech start-up developing a saltwater long duration energy storage (LDES) solution, has closed EUR 6 million seed investment round. 

The round was led by EIT InnoEnergy and supported by InnovationQuarter, Invest-NL, Init Power, and a group of business angels. This is a significant milestone in the company’s roadmap to bring low-cost, sustainable LDES to the European market by 2026. 

AQUABATTERY – revolutionising long duration energy storage