This LowEx (Low Exergy) Network, as it is called, is operated at temperatures of up to 40 degrees Celsius. Compared with standard district heating with temperatures of at times more than 100 degrees, the losses in the LowEx Network are significantly smaller. Moreover, the low flow temperature now makes it possible to use environmentally-friendly heat sources efficiently.
In the decentralized energy marketplace consumers can in addition feed waste heat from buildings, wastewater, server rooms, and industrial facilities into the Network’s ducting system and receive some remuneration from this. The concept envisages for instance close-to-surface geothermal energy, solar energy systems, and wind power as sources of renewable energy.
An entirely newly-developed urban district offers ideal conditions for this innovative energy concept, as the concept can be incorporated at all planning stages. New and existing constructions are equipped with panel heaters for this purpose. Existing buildings such as the hexagonal former airport terminal from the 70s will be equipped with modern thermal insulation. The LowEx Network’s low flow temperature of 40 degrees Celsius during the heating season is made possible only by a combination of low energy demand and panel heaters.