Although most electric vehicle (EV) charging still takes place at home or work, widespread, open-access public charging infrastructure is essential to support EV drivers beyond early adopters. USER-CHI works to unlock the massive potential of electromobility in Europe by integrating innovative charging technologies with a holistic perspective, putting the user at the centre and empowering it, whilst at the same time makes financially attractive for the relevant stakeholders. To fill the existing gaps and to achieve its strategic challenges and objectives, USER-CHI*⁎https://www.userchi.eu/ combines technical, regulatory and business elements and produces a set of solutions that cover all aspects of a massive deployment of electric vehicles, from the optimal design and planning of innovative charging infrastructure to specific solutions to to allow interoperability and e-roaming in Europe (Martín et al., 2021).