Heat Supply from Estonia's Deepest Geothermal Borehole
The Geological Survey of Estonia has commenced heat supply from a 712.5-meter borehole in Arbavere, currently the country's deepest thermal borehole.
The borehole, located in Lääne-Viru County's Arbevere village, now provides heating and cooling to the Geological Survey's research center buildings.
- The Arbavere pilot project utilizes a coaxial pipe, a first for Estonia.
- Water flows through the pipe's center, then through a heat exchanger, before being reinjected through the annular space.
- The borehole's thermal capacity is 40 kW.
Three geothermal heat pumps and a cooling system have been installed to increase temperature and provide cooling.
No direct quotes available in the text.
Author's summary: Estonia's deepest geothermal borehole starts heat supply.