The objective of the fifth international seminar on new and renewable energy which will take place at the Unit of Applied Research in Renewable Energies of Ghardaia (Resarch Unit of Centre for Renewable Energy Development, CDER) is to make an update on the progress of research work in the new energy field and renewable energy, with a special focus on their applications in southern Algeria areas. This high level international scientific conference gathering which comes after the great success of the first, second, third and fourth SIENR organized by URAER in 2010, 2012, 2014 and 2016 wanted to be a tradition as to bring together researchers from different laboratories and professionals of industry and policy makers in order to exchange their experience and expertise in the field of new and renewable energy.