Brussels (Belgium) : CORESO implemented a new service to support electricity transmission system operators in case of potential large electric disturbance across countries. First regional technical centre shared by 5 TSOs (RTE, Elia, National Grid, Terna and 50Hz-Transmission), created and operated by "RTE, Reseau de Transport d'electricite" (France) and "Elia" (Belgium). Here, inside a network monitoring room.