Private equity firms X-ELIO and Nature Infrastructure Capital completed an investment in Å Energi Invest-backed ECO STOR, a manufacturer of battery storage systems. Financial terms were not disclosed. “It has been a true pleasure to be part of the success of ECO STOR in the German battery energy storage market. We are very pleased to now announce that X.ELIO and NIC will be investing in ECO STOR together with the continued support from Å Energy. This will allow us to maintain our market leadership and fuel further growth. Bringing together some of the most influential renewable energy investors in Europe gives ECO STOR the resources to accelerate energy storage adoption in Europe and thereby support our transformation toward renewable energy," Trygve Burchardt, ECO STOR CEO.