Design of a Hybrid Photovoltaic Thermal System in Lebanon Elie Karam, Patrick Moukarzel, Maya Chamoun, Charbel Habchi and Charbel Bou-Mosleh MATEC Web Conf., 171 (2018) 02002 Published online: 04 June 2018 DOI: 10.1051/matecconf/201817102002