This episode is a conversation about airborne wind energy. In particular, we talk to Roland Schmehl who leads a team of researchers and engineers at TU Delft who develop the Kitepower system. In this system, kites are automatically flown in a pumping pattern to extract energy from wind as an alternative to classical ground-based wind turbines. In the conversation we cover the benefits of airborne wind energy in general and of kites in particular and we cover in some detail how the Delft system works technically.