Flexibility has been making headlines across Europe lately, and for good reason. As the continent races to integrate more renewables, adapt to volatile energy markets, and strengthen its grid resilience, flexibility has emerged as a central theme in both policy debates and innovation projects. But beyond the buzzwords, what does it actually mean in practice? And how are European actors turning it from an abstract goal into a working reality? Those were the questions at the heart of our host, Areti Ntaradimou's recent conversation with Charles Esser, Secretary General of E.DSO, and Anastasia Skapoula, Lead of the Dissemination Task for the BeFlexible project and Junior Projects Officer at E.DSO.