Stadtwerke Bochum, FUW GmbH and Fraunhofer IEF have tapped mine water at the MARK 51°7 site in Bochum with two boreholes. This site is one of the 5 pilot sites of the European D2GRIDS project, which aims to promote 5th generation for District Heating and Cooling grids. 

After the first borehole with a depth of about 340 metres was successfully drilled in February, the second borehole, which reaches a depth of about 820 metres, has now been completed. Both boreholes will be part of an energy-saving, so-called 5th generation heating and cooling supply for the commercial customers at the site.

FUW GmbH, a subsidiary of the municipal utility, and the Fraunhofer Institute for Energy Infrastructures and Geothermal Energy IEG jointly explored the use of mine (...)

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