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Geothermal

Economic viability of a Project

Although the initial investment in a geothermal generation system is high, its amortization should be consider as a long term investment which payback will be made over a significant fuel savings for the life of the equipment.


POWER

CATCHMENT

BENEFITS

ENERGY COST

INSTALLATION COST

PAYBACK

P. Rated (kW)

No. Perforations

Energy (kWh/Year)

Euros/Year

Euros

Years

10 kW

1

20.000 kWh

500 €

18.000 Euros

7 Years

20 kW

2

40.000 kWh

1.000 €

30.000 Euros

7 Years

50 kW

5

100.000 kWh

2.500 €

60.000 Euros

7 Years

100 kW

10

200.000 kWh

5.000 €

100.000 Euros

7 Years

200 kW

20

400.000 kWh

10.000 €

200.000 Euros

7 Years

 

(1) Thermal power of the heat pump in heating.
(2) Uptake geothermal heating in vertical configuration, lawn extraction specific capacity of 55 W / m to BCG with COP = 4.4 and with holes of 140 m.
(3) Benefits calculated for 2,000 h of operation.
(4) Electricity cost € 0.11 / kWh.
(5) Estimated cost excluding VAT.
(6) Payback on investment compared to fuel oil, an increase in the price of electricity from 4% and 6% fuel oil.


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