Creating common exercises for modelling building and district energy systems: lessons learnt from the IBPSA Project 1 - DESTESTHicham Johra, Tohid Jafarinejad, Arash Erfani Beyzaee, Hauke Hirsch, Clemens Felsmann and Dirk SaelensE3S Web Conf., 362 (2022) 10005DOI: https://doi.org/10.1051/e3sconf/202236210005