Ongoing high levels of investment and technological innovation for the development of a robust transmission grid that is increasingly more interconnected through the reinforcement of cross-border connections; the optimisation of electricity system operation; the integration of energy storage systems; the ongoing implementation and application of demand-side management measures; the incorporation of the new elements such as the electric vehicle; the promotion of innovation activities (smart grids, digitalisation, datahub, ...), and the coordination between the various agents are the keys to continue making progress regarding the aforementioned aspects.