LIGHTS ON was present in this project as Consultants, helping PSML to find the best solution to upgrade the efficency of this monument. After the replacement of all old technology, electrical company employees gone to the Palace more than once, because they thought there was problems with the electricity meter, due to very low registered comsuption. In fact, 80% of the energy was saved due to this action. Lighting source of Tableware exposition of the Palace, was also upgraded to LED special produced fixtures.