Dr. Amar HADJ ARAB has been Research Director in the field of solar photovoltaic (PV) at the Centre de Développement des Energies Renouvelables (CDER, Bouzaréah) since December 2005. Engineer in Electronics from the National Polytechnic School of Algiers, he received his Magister degree in 1989 from the High Commission for Research (HCR, CDER), Ministry of Higher Education and Scientific Research in Renewable Energies and his Ph.D. in Telecommunications in 1999 from the Polytechnic University of Madrid (UPM-ETSIT). Since 1989, as a permanent researcher, he has participated in numerous national and international projects. He has served on various scientific committees of conferences related to renewable energies in general. The Scopus database holds his 66 international publications, 1634 citations, and an h-index of 21.