The use of mine water in district heating systems - An example from Heerlen, Netherlands

The district heating system in Heerlen, the Netherlands makes use of an innovative approach: using mine water from a former coal mine as a geothermal heating source and for energy storage. The system is one of the first so-called 5th generation district heating and cooling (5GDHC) grids, an integrated heating and cooling system that uses a multitude of energy sources, technologies and digital

Source: op.europa.eu