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More than half of Germany's energy demand is needed to generate heat, either for heating buildings or as process heat for industry. So far, 85 percent of this heat has been generated by fossil fuels, i.e. coal, oil and gas. If Germany wants to become climate-neutral by 2045, this must change. Therefore, heating methods that do not generate CO2 emissions are in demand. An alternative is geothermal energy, the use of geothermal energy, which provides the hot interior of our planet. So far, it has only been sparsely used in Germany, but this is set to change in the future: Together with centers of the Helmholtz Association, the Fraunhofer-Gesellschaft today presented a roadmap with recommendations on how geothermal energy could be tapped on a large scale in the future. How deep do you have to drill in this country to use geothermal energy? How many of these deep geothermal plants are there in Germany so far? What role could geothermal energy play in the heat supply in the fut...

Geothermal energy Introduction to geothermal energy and its possible uses Geothermal energy, also known as geothermal energy, offers an almost inexhaustible source of energy that can be used worldwide. It represents an important pillar in the field of renewable energies and is becoming increasingly popular, especially in heating technology. Geothermal heating: near-surface and deep geothermal energy Geothermal heating systems use the thermal energy of the earth to heat buildings and produce hot water. Depending on the depth and method of geothermal extraction, a distinction is made between near-surface and deep geothermal energy. In the near-surface variant, which reaches a depth of 400 meters, geothermal collectors or geothermal probes are popular means of exploiting the constant temperatures of the ground. Despite the depth of up to 100 meters, the temperature here remains relatively stable at around 10 °C. Deep geothermal energy, on the other hand, which extends beyond...