Heat Supply from Deepest Geothermal Borehole in Estonia
The Geological Survey of Estonia has commenced heat supply from a 712.5-meter borehole in Arbavere, currently the deepest thermal borehole in the country.
The borehole, located in the village of Arbavere in Lääne-Viru County, provides heating and cooling to the buildings of the Geological Survey’s research center.
The Arbavere pilot project utilizes a coaxial pipe, a first for Estonia, where water flows through the middle of the pipe, then through a heat exchanger, before being reinjected through the annular space.
- Depth of the borehole: 712.5 meters
- Thermal capacity: 40 kW
- Three geothermal heat pumps installed
- Cooling system installed in one building
No direct quote available in the given text.
Author's summary: Estonia's deepest geothermal borehole starts heat supply.
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