Deep geothermal energy
Deep geothermal energy is the conceivable use of geothermal energy from the earth's crust in depths from 400 m. This can be the secondary use of existing mining facilities and tunnel systems as well as deep boreholes . The hydro- or petrothermal energy can be used for heating purposes or to generate electricity .
Deep geothermal energy in the Ruhr area
In the Ruhr area - as in other regions - pits are being cut back without the deep geothermal use of these existing wells being initiated. Reference projects are missing. The deficiency is also not being remedied by the ongoing mine water project . Between 2002 and 2005 the North Rhine-Westphalia Geological Service carried out a potential study on "Deep geothermal energy in the Ruhr area". A depth of use of around 5,000 m was assumed.
Deep geothermal energy in southern Germany
The South German Molasse Basin extends between the Alps and the Danube and is one of the most important areas for geothermal energy use in Germany. So far, the southern German Molasse Basin has been used for energy, especially in Bavaria. Most of the deep geothermal systems in Germany are currently located in this area.
The mine water project
The mine water project of the EU program INTERREG IIIB NWE P under the motto Old Mines - New Energy . This pilot project, which ran from March 2005 to June 2008, was principally intended to revitalize existing mining facilities as new energy sources with corresponding effects on the opportunities for income in the mining regions ( white coal ). However, the pilot projects that have started are new depths:
- In Heerlen (Netherlands) the operation Heerlerheide with two wells of 825 m depth and 35 ° C as well as the project City Park Nassau Oranje with wells of 500 m depth and 35 ° C.
- The second pilot project in Midlothian (Scotland) deals with the development of the new Shawfair settlement structure.
See also
Web links
- USGS map of mean crust thickness
- Potential study "Near-surface geothermal energy in NRW" , Geological Service NRW
- www.geothermie.de
- Geothermal Center
Individual evidence
- ↑ Archived copy ( Memento of the original from January 10, 2007 in the Internet Archive ) Info: The archive link was automatically inserted and not yet checked. Please check the original and archive link according to the instructions and then remove this notice.
- ↑ Archived copy ( Memento of the original from January 10, 2007 in the Internet Archive ) Info: The archive link was automatically inserted and not yet checked. Please check the original and archive link according to the instructions and then remove this notice.
- ↑ Archived copy ( memento of the original dated November 7, 2008 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice.
- ↑ http://www.cosis.net/abstracts/EGU2007/06147/EGU2007-J-06147.pdf Geophysical Research Abstract 9/2007
