Analysis of hydropower ratio from total energy production in Romania Angela Neagoe, Eliza Isabela Tică, Mihaela Amalia Diminescu, Bogdan Popa and Suzana Carmen Cismaş E3S Web Conf., 85 (2019) 06009 Published online: 22 February 2019 DOI: 10.1051/e3sconf/20198506009