The Energy Startup Day is the biggest Energy Innovation Fair in Switzerland. 2025's event was a full success, with 230 participants & 36 startups. Save the date for the next ESD on November 19, 2026, once again at the Kultur- & Kongresshaus Aarau, together with Electrosuisse. Let’s connect ground-breaking energy and cleantech startups with Swiss incumbent companies, public institutions, and investors to foster relationships, collaboration, and investment.