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Towards "energy efficient cities"

Optimising the energy, exergy and resource efficiency of the demand and supply side on settlement and community level
: Sager, C.; Schmidt, D.

Turkish Society of HVAC and Sanitary Engineers -TTMD-; Federation of European Heating, Ventilating and Air-conditioning Associations -REHVA-:
Clima 2010, 10th Rehva World Congress "Sustainable Energy Use in Buildings". CD-ROM : 9-12 May, Antalya
Antalya, 2010
ISBN: 978-975-6907-14-6
8 pp.
World Congress "Sustainable Energy Use in Buildings" <10, 2010, Antalya>
Conference Paper
Fraunhofer IBP ()

To improve the overall energy efficiency in community systems the mere focus on single component optimisation runs short in effect. To display and analyse a holistic energetic community system is a promising approach and solution for decision makers and urban planners. Based on a GIS data base the city of Wolfhagen attempts to create a tool which will enable them to optimise their overall energy performance as a complex and interactive system. This includes the analysis of the energy demand side represented mainly by the building stock, the electricity sector and the transportation sector. The heat demand to provide thermal comfort in buildings accounts for approximately on third of the total energy demand profile of the community. To step forward in the analysis, a heat demand cadastre forms a basic data source for further optimisation on the supply infrastructure. The approach and first results are presented in the following.