Feasibility of district heating in a mild climate: A comparison of warm and cold temperature networks in Bilbao - Sánchez-García, Luis; Averfalk, Helge; Hermoso-Martínez, Nekane; Hernández-Iñarra, Patxi; Möllerström, Erik; Persson, Urban, Dr. (Decarb City Pipes 2050 - Transition roadmaps to energy efficient, zero-carbon urban heating and cooling Applied Energy, 2025)