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Geothermal Energy

Science – Society – Technology

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.
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