Abstract
The energy saving in urban area is one of the most important issues recently. As the redevelopment of the medium scale area is more frequent than that of the large scale area, it is meaningful to investigate the energy saving potential of regional energy supply systems for the medium scale area. In the study, the simulation of the regional energy supply systems installed in the medium scale area was performed. Four systems, namely, the individual system, the district heating and cooling system, the energy center, and the micro-grid, were evaluated by comparison. The energy saving potential was calculated against the individual system. It was found that the micro-grid could achieve the energy saving by 16%, which was the largest.
