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Untapped resource: KTU professor sees Lithuania’s energy independence underground

By District Energy posted 05-21-2025 12:47

  

LRT.it

Summary

Rising energy prices, climate change, and geopolitical instability are forcing countries to rethink their energy strategies. In Lithuania, scientists say the answer may lie deep underground – in the form of geothermal energy, according to a press release by Kaunas University of Technology (KTU).

Low-enthalpy geothermal sources – those with temperatures sufficient for heating but not electricity generation – are found at depths of 1,000 to 1,500 metres in western Lithuania. These sandstone formations are highly porous and permeable, making them ideal for district heating. Deeper Cambrian layers, reaching temperatures of around 96°C at depths of up to 2.5 kilometres, could theoretically support small-scale electricity generation.

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