European directivesMarché intérieurObjectifLibéralisationState monopolyMonopolyEnergy marketNetworkVertical integrationOperational unblundlingCorporate unbundlingFunctional unbundlingActivities separationVertical concentrationMember StateStructural regulationRegulatory frameworkOwnershipNational operatorUnbundlingSecurity of supplyGeneral economic interestThird energy packageEssential facilityEx ante / Ex postOrganisation for Economic Co-operation and Development (OECD)CompétitionInfrastructureDistributionAutorité de la concurrence