Melecon 2018 is an IEEE Region 8 flagship conference with a long standing history of excellence both in electrotechnology and in recent years in information and communication technologies as well. Melecon 2018 covers complementary thematic areas that hold great promise for the advancement of research and technological development in the solution of complex engineering systems. In this context, Melecon 2018 foresees to attract high quality papers and provide a platform for the cross fertilization of new ideas and know-how under the special theme of the conference that is Intelligent & Efficient Technologies & Services for the Citizen. To achieve this, the conference encompasses the following thematic areas: