The role of power sources in the European electricity mix Bernard Bonin, Henri Safa, Françoise Thais, Axel Laureau, Elsa Merle-Lucotte, Joachim Miss, Danylo Matselyuk, Yann Richet and François-Marie Bréon EPJ Nuclear Sci. Technol., 3 (2017) 10 Published online: 03 April 2017 DOI: 10.1051/epjn/e2015-50012-0