Following the work being developed in the WP 1 of the Interconnect Project and having in mind the WS roadmap for the use case definition for the energy and non-energy services planned for the Tasks 1.1 and 1.2, and addressing the thematic of interaction between communities, platforms, DSOs for grid services, this workshop will count on the expertise and capacity of the partners to support and to set a profitable and differentiated discussion that may lead to a coherent and innovative use case definition for the Interconnect Project.