In this interview, Kobe Fleerackers, Senior System Development Engineer at Watt4Ever, an industrial partner within the HiHELIOS and part of the Sortbat Group, shares insights into the company’s role in advancing hybrid energy storage systems and its impact within HiHELIOS. Watt4Ever brings strong hands-on expertise in the reuse and repurposing of second-life EV battery modules, along with extensive experience in the design, build and testing of custom battery energy storage s

In this edition, we interview Marion Perrin, R&D director at Energy Pool, an industrial partner playing a central role in shaping the market readiness of the HiHELIOS solution. Active across several work packages, Energy Pool focuses particularly on the economic validation and scalability of Hybrid Energy Storage Systems (HESS). Their contribution centres on developing business models, techno-economic evaluation tools, and deployment strategies that ensure the hybrid storage