concession of service, according to the Community derivation scheme of project financing, concerning the conduct and maintenance of the ordinary and extraordinary maintenance of the structure and plants of the real estate in use at the Sicilian Regional Assembly, the supply of electricity, as well as the implementation of energy efficiency interventions with charges charged to the contractor, behind payment of an all-inclusive fee

Service concession management of an energy efficiency contract and integrated maintenance of technological plants, electricity supply, conservation and historical building restoration artistic, including interventions to requalify energy of the plants and buildings in use and/or property of the Sicilian Regional Assembly, as per the feasibility project of the promoter, attached to the acts of competition.

The buildings affected by the procedure in question, as described in the tender documents, are:

Palazzo dei Normanni — Piazza Parlamento nr. 1 —Palazzo dei Normanni- 90100 Palermo

Church of Saints Helena and Constantine - P.za della Vittoria, 23, 90134 Palermo PA

Palazzo ex Ministries, located in Corso Vittorio Emanuele 467;