On this page you find facts and figures about the 5GDHC network in Fischerbach (Sonnematte). The network has a length of 1.8 km. In total, 24 buildings are supplied by the heat network. The 5GDHC network is operated by Bürgerenergie Fischerbach .

Facts and figures about the cold heat network in Fischerbach (Sonnematte)

Geothermal probes, which are one of the most common heat sources for 5GDHC networks, serve as a heat source in this district. Uninsulated plastic pipes are used for the heating network. The network does not only supply the buildings with heat to operate the decentralized heat pumps, but also with cooling energy, e.g. for room air conditioning. If heating and cooling demands occur simultaneously, these can be balanced within the 5GDHC network (see also demand balancing in 5GDHC networks). The district comprises new construction areas only. Buildings are obliged to connect to the heating network. Detailed data of the 5GDHC network in Fischerbach (Sonnematte) is listed in Table 1.

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Table 1: Facts and figures about the anergy network in Fischerbach (Sonnematte)


District	Sonnematte
Country	Germany
City / location	Fischerbach
Year of commissioning	2013
Operator	Bürgerenergie Fischerbach
Network temperatures	(-5)-20 °C
Supplied buildings	24
Network length	1.8 km
Share of new building area	100 %
Pipe type	Plastic pipe (uninsulated)
Heat sources	Geothermal probes Ambient air ice storage
Cooling supply through thermal network	Yes
Obligation to connect to network	Yes
Owner of decentral heat pumps	Heat network operator
Price model for heat supply	Base price (€/year)