Power to gas plant for the production of bio-methane: Technoeconomic optimization Davide Lanni, Alessandra Perna, Mariagiovanna Minutillo, Simona Di Micco and Elio Jannelli E3S Web Conf., 414 (2023) 02015 Published online: 25 August 2023 DOI: 10.1051/e3sconf/202341402015