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By Brida Mbuwir - Have you tried asking ChatGPT what the world’s most pressing challenge is? It ranks climate change as the first challenge. So how about we use the technology behind ChatGPT to solve that challenge?  

Introducing the brand-new SMEs Driving Energy Efficiency Award and a closer look at all three EUSEW 2026 Award categories.

The 20th edition of European Sustainable Energy Week (EUSEW) will take place on 9-11 June 2026, under the overarching theme of ‘A clean, secure and competitive Energy Union’, the European Commission has announced.

The European Sustainable Energy Week (EUSEW) hits its 20-year milestone in 2026 and it is ready to turn up the power. On 9-11 June, Europe’s clean energy community will meet again in Brussels and online to keep the transition moving.

EUSEW returns for its 20th edition. Discover the key dates for the open calls for policy sessions, Awards and the Policy Conference and join the Info Session on 3 December to learn how to play an active role in the event.

This year’s Energy Fair, held during the European Sustainable Energy Week (EUSEW) 2025 at the Charlemagne Building in Brussels, once again proved to be a vibrant hub of inspiration and exchange.

The European Sustainable Energy Week 2025 saw record-high youth engagement, with the Young Energy Ambassadors (YEAs) playing a central role through the European Youth Energy Day programme and shaping the event’s discussions more broadly.

Revisit EUSEW 2025 through our series of photo albums that capture the energy of the week: the high-level exchanges, the bold visions, and all the people behind them. We do believe that photos tell the story best. 

Greek academic Dr. Stella Tsani has won the 2025 European Sustainable Energy Award in the Woman in Energy category, rewarding her efforts to bridge research and action around energy and the environment, while investing heavily in the next generation of energy professionals, especially young women.