Mini-grid hybridization and demand side management on non-interconnected small islands: the case study of Ustica, ItalyPaolo Cherubini, Guido Francesco Frate, Marco Antonino Maggiore, Andrea Micangeli and Lorenzo FerrariE3S Web Conf., 238 (2021) 02008DOI: https://doi.org/10.1051/e3sconf/202123802008