Requirements for generating plants to be connected in parallel with distribution networks - focus on EN 50549 series

European decarbonization goals and works are in progress at different level to create the best technical background in this field. CENELEC TC8X is actively cooperating with ENTSO-E and ACER in the Grid Connection European Stakeholder Committee and their Expert Groups. In this context, standards are developped to support implementation of the regulation related to grid connection. In this paper the evolution of requirements for generating plants to be connected in parallel with distribution networks and related tests are discussed, with a focus on EN 50549 series.