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District heating (DH) in areas with low heat demand density (HDD): A chance for the integration of renewable energy sources (RES)

: Dötsch, C.; Jentsch, A.

Arbeitsgemeinschaft für Wärme und Heizkraftwirtschaft e. V. -AGFW-, Frankfurt; Verband der Elektrizitätswirtschaft e. V. -VDEW-, Frankfurt:
10th International Symposium on District Heating and Cooling 2006 : 3.-5. September 2006 in Hanover, Conti-Campus Hanover University of Technology, Hanover/Germany
Frankfurt, Main: AGFW, 2006
9 S.
International Symposium on District Heating and Cooling <10, 2006, Hannover>
Fraunhofer UMSICHT Oberhausen ()
district heat supply; line operation; renewable energy; rural area; heat demand; Fernwärmeversorgung; Anlagenbetrieb; erneuerbare Energie; ländlicher Raum; Wärmebedarf

In the last two decades environmental problems that are caused by utilization of fossil fuels have become more and more the centre of discussion. One consequence of this debate has lead to a search for systems that decrease the amount of fossil fuels that are used for heating. An accelerated development of technologies that use renewable energy sources (RES) such as biogas, biomass or solar radiation for heating has started.
Another technology that can decrease the emission of Greenhouse Gases that are generated as a by-product of heating is district heating (DH).
The major advantages of DH under these aspects are: the possibility of combined heat and power (CHP) generation, the potential for high fuel efficiency and the potential to combine heat sources to provide heat to the customer.
Consequently it is interesting to survey whether DH nets in areas with low heat demand density (HDD) have been established to estimate the potential of this technology. It appears sensible to focus on the question whether the positive effects of a DH system and of providing heat from RES have been combined and what innovative measures have been taken to improve DH net operation.