Skip to main content

Science – Society – Technology

Geothermal Energy Cover Image

Table 3 GEOPHIRES input parameters for example simulation 2

From: GEOPHIRES v2.0: updated geothermal techno-economic simulation tool

Subsurface parameters
Reservoir type Hydrothermal Reservoir model Linear thermal drawdown
Well depth 2000 m Thermal drawdown perc. 0.5% year−1
Number of production wells 3 (vertical) Number of injection wells 3 (vertical)
Production well inner diam. 0.22 m (9″) Injection well inner diam. 0.22 m (9″)
Productivity index 5 kg s−1 bar−1 Injectivity index 5 kg s−1 bar−1
Bottom-hole temperature 175 °C Production well flow rate 80 kg s−1
Rock heat capacity 1000 J kg−1 K−1 Water loss rate 0%
Rock density 2700 kg m−3 Wellbore heat transmission Ramey’s model
Rock thermal conductivity 2.5 W m−1 K−1 Geofluid Pure water
Surface parameters
End-use Electricity Utilization factor 90%
Power plant type Supercritical ORC Pump efficiency 75%
Surface temperature 15 °C Ambient temperature 15 °C
Economic parameters
Levelized cost model FCR model Project lifetime 30 years
Discount rate 10.8% Capital costs Built-in correlations