Return of geothermal energy
Times of crisis are very conducive to resuming discarded ideas. France and Germany, for example, are pushing for research into hot water in the subsoil, which could affect navigation. The goal is to find water at a depth of about 3,000 meters that can range from 150°C to 200°C. This water comes outside in the form of steam and generates electricity through the movement of a turbine. The system can have very good results, especially in volcanic soils. An example of this is the island of Guadalupe, where thanks to the heat of the Soufrière volcano 10% of the electricity needed on the island is obtained, using the system to which we refer.
This system is among the renewable energy sources by a number of experts. By way of example, they have highlighted an interesting fact: exploited for years, the energy that can be generated from a cubic kilometre of hot rock, for which water is heat, is equivalent to that generated from 1.275 million tonnes of oil, and is also clean.
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