“Spain has great potential but lack geothermal legislation and investment.” Besides being clean, renewable and friendly, easily manageable, which contributes to security of energy supply.

However, like other renewable energy sources, requires the development of sustainable energy technology push policies and efficient and environment economic support. (more…)

According to the German standard VDI 4640 geothermal energy is stored energy as heat beneath the Earth’s solid surface, encompasses the heat stored in rocks, soils and groundwater.

The main energy sources charge of the land are two: the first is the heat recovery of the Earth that can be assessed by the thermal gradient (variation of temperature versus depth), usually increase of 3.3 º C per 100 m depth. (more…)