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In this paper, the first results of a new method for the configuration of district energy systems are presented. District energy systems are believed to help decreasing the CO 2 -emissions due to energy services (heating, cooling, electricity and hot water), by implementing polygeneration energy conversion technologies, connected to a group of buildings over a network. The synthesis of the network is an important but not trivial task, mainly because the problem involves a large number of integer variables and results in an mixed integer linear programming problem (MILP) that needs to be optimised. |