Skip to main content

Science – Society – Technology

Geothermal Energy Cover Image

Table 5 Building surface area (m 2 ) that can be heated using groundwater energy

From: Mapping the low enthalpy geothermal potential of shallow Quaternary aquifers in Finland

  Detached house, class A Detached house, class B Detached house, class C Apartment building, class A Apartment building, class B Apartment building, class C
Total 580,981 1,293,186 1,727,772 864,968 1,964,827 2,493,992
Maximum area/aquifer 26,554 59,054 78,850 39,526 89,605 114,537
Minimum area/aquifer 0.4 1 1 1 1 1
Average area/aquifer 620 1,380 1,844 923 2,097 2,662
Median area/aquifer 246 549 734 366 834 1,035
Class Design power (W/m2)/climate zone
 Detached house I II III IV   
  A 97 103 109 121   
  B 43 46 49 56   
  C 32 34 38 43   
 Apartment building       
  A 65 69 74 82   
  B 28 30 33 37   
  C 22 24 26 30   
  1. The design power values used for house and apartment classes for each climate zone are presented below the results.