ETN welcomes the European Commission’s initiative to clarify and prioritise the actions and research needs within the updated SET-Plan and matching them to the pillars of the Energy Union. ETN appreciates the opportunity to participate in the dedicated stakeholder’s consultation on the “Issue Paper No. 4: Energy Systems (Increase the resilience, security and smartness of the energy system), where we would like to stress the importance of a holistic approach in the future energy systems.