Following on from the Japanese Eco Rigs, we bring you an altogther simpler, but no less ingenious, idea from the Dutch, who are using abandoned mineshafts as a method of heating water geo-thermally.
The heated water is pumped to the surface and used to supply the Domestic Hot Water needs of up to 350 homes in the town of Heerlen.
Courtesy of allaboutenergy.ie
Well, well, well.
ba-dum tish….