Free Electrons Open Day 2025

Join the global energy innovation community — from anywhere in the world.

The Free Electrons Open Day 2025 is your chance to experience the energy sector’s most ambitious startup–corporate collaborations, broadcast live from Ireland — home to this year’s host, ESB.

This one-day event brings together disruptive startups, global utilities, and leading energy experts to explore the technologies, partnerships, and solutions shaping the future of energy. Beyond startup showcases, you’ll hear from thought leaders and market experts offering diverse perspectives on innovation, collaboration, and the path to a more sustainable, resilient energy system.

What to expect

• Live keynote and panel sessions Free Electrons Top 15 startups and industry experts
• In-depth discussions on maximizing renewable generation, strengthening network capacity and resilience, empowering energy customers, and more
• Expert panels with thought leaders and investors
• Award ceremony crowning the Startup of the Year and Akimoto Award.

Why attend online?

Whether you work in a utility, startup, investor group, or innovation hub, this livestream gives you a front-row seat to the most relevant conversations in energy innovation, insight into pilot-ready startups working with global utilities and exposure to new business models, technologies, and partnerships.

Register today, join and get inspired!