Balkan Green Energy News
Summary
Germany is increasingly looking into geothermal energy storage as a way of decarbonizing its heating sector. The technology allows storing heated water in underground caverns and using it for warming homes and public and private buildings during winter, according to a report by Clean Energy Wire.
This thermal energy storage system, called Geotes, promises “the almost universal availability of cheap and practically inexhaustible storage capacities,” according to Peter Ruschhaupt from the think tank Future Cleantech Architects (FCA), German business daily Handelsblatt reported.
The process involves heating water and injecting it into underground caverns, where heat can be retained for months by the surrounding rock. The warm water can then be pumped back to the surface and used for district heating.
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