Starting from the fact that the new regulation of public utilities services, in accordance with Community provisions, provides optimal conditions for the organization, functioning and operation of these services, ie delegation of these services to private operators, this study aims at analyzing liability of public authorities and associations with the object of developing inter-services public for damages caused by administrative acts adopted / issued in relation to community public services, by reference to the provisions of special legal act in the matter, namely, Law no. 51/2006 of public utilities and services of the Law. 554/2004 of the Administrative Court, as amended and supplemented.