A Net-Zero Energy System Solution for Russian Rural Communities Pio Lombardi, Bartlomiej Arendarski, Konstantin Suslov, Natalia Shamarova, Polina Sokolnikova, Antonio Marco Pantaleo and Przemyslaw Komarnicki E3S Web Conf., 69 (2018) 01013 Published online: 27 November 2018 DOI: 10.1051/e3sconf/20186901013