The PuMMA project, labelled by SNETP, is holding its first Workshop on Fuel Cycle Scenarios on 2 & 3 November 2021. The event will be hosted by PuMMA consortium member CIEMAT (Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas) in Madrid. The meeting format hybrid, with partners gathering on-site, with also the possibility to participate online. This workshop is open to