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*****************
***CASE REPORT***
*****************
Simulation Metadata
----------------------
GEOPHIRES Version: 3.8.4
Simulation Date: 2025-03-19
Simulation Time: 10:30
Calculation Time: 0.211 sec
***SUMMARY OF RESULTS***
End-Use Option: Direct-Use Heat
Average Direct-Use Heat Production: 21.47 MW
Direct-Use heat breakeven price (LCOH): 6.42 USD/MMBTU
Number of production wells: 2
Number of injection wells: 2
Flowrate per production well: 30.0 kg/sec
Well depth: 3.0 kilometer
Geothermal gradient: 55 degC/km
***ECONOMIC PARAMETERS***
Economic Model = Standard Levelized Cost
Interest Rate: 5.00 %
Accrued financing during construction: 0.00
Project lifetime: 25 yr
Capacity factor: 90.0 %
Project NPV: 10.25 MUSD
Project IRR: 7.84 %
Project VIR=PI=PIR: 1.29
Project MOIC: 0.70
Project Payback Period: 11.38 yr
***ENGINEERING PARAMETERS***
Number of Production Wells: 2
Number of Injection Wells: 2
Well depth: 3.0 kilometer
Water loss rate: 0.0
Pump efficiency: 80.0 %
Injection temperature: 70.0 degC
Production Wellbore heat transmission calculated with Ramey's model
Average production well temperature drop: 6.5 degC
Flowrate per production well: 30.0 kg/sec
Injection well casing ID: 8.000 in
Production well casing ID: 8.000 in
Number of times redrilling: 0
***RESOURCE CHARACTERISTICS***
Maximum reservoir temperature: 400.0 degC
Number of segments: 1
Geothermal gradient: 55 degC/km
***RESERVOIR PARAMETERS***
Reservoir Model = 1-D Linear Heat Sweep Model
Bottom-hole temperature: 180.00 degC
Fracture model = Circular fracture with known diameter
Well separation: fracture diameter: 300.00 meter
Fracture area: 70685.83 m**2
Number of fractures calculated with reservoir volume and fracture separation as input
Number of fractures: 30.47
Fracture separation: 60.00 meter
Reservoir volume: 125000000 m**3
Reservoir impedance: 0.2000 GPa.s/m**3
Reservoir density: 3000.00 kg/m**3
Reservoir thermal conductivity: 3.20 W/m/K
Reservoir heat capacity: 975.00 J/kg/K
Reservoir porosity: 10.00
***RESERVOIR SIMULATION RESULTS***
Maximum Production Temperature: 172.8 degC
Average Production Temperature: 165.3 degC
Minimum Production Temperature: 153.8 degC
Initial Production Temperature: 169.9 degC
Average Reservoir Heat Extraction: 23.86 MW
Production Wellbore Heat Transmission Model = Ramey Model
Average Production Well Temperature Drop: 6.5 degC
Total Average Pressure Drop: 10524.3 kPa
Average Injection Well Pressure Drop: 112.9 kPa
Average Reservoir Pressure Drop: 12533.0 kPa
Average Production Well Pressure Drop: 118.2 kPa
Average Buoyancy Pressure Drop: -2239.8 kPa
***CAPITAL COSTS (M$)***
Drilling and completion costs: 17.38 MUSD
Drilling and completion costs per well: 4.35 MUSD
Stimulation costs: 3.02 MUSD
Surface power plant costs: 8.29 MUSD
Field gathering system costs: 2.57 MUSD
Total surface equipment costs: 10.85 MUSD
Exploration costs: 4.49 MUSD
Total capital costs: 35.74 MUSD
***OPERATING AND MAINTENANCE COSTS (M$/yr)***
Wellfield maintenance costs: 0.38 MUSD/yr
Power plant maintenance costs: 0.67 MUSD/yr
Water costs: 0.00 MUSD/yr
Average Reservoir Pumping Cost: 0.31 MUSD/yr
Total operating and maintenance costs: 1.37 MUSD/yr
***SURFACE EQUIPMENT SIMULATION RESULTS***
Maximum Net Heat Production: 23.17 MW
Average Net Heat Production: 21.47 MW
Minimum Net Heat Production: 18.88 MW
Initial Net Heat Production: 22.52 MW
Average Annual Heat Production: 169.11 GWh
Average Pumping Power: 0.80 MW
************************************************************
* HEATING, COOLING AND/OR ELECTRICITY PRODUCTION PROFILE *
************************************************************
YEAR THERMAL GEOFLUID PUMP NET
DRAWDOWN TEMPERATURE POWER HEAT
(deg C) (MW) (MW)
0 1.0000 169.90 0.7816 22.5203
1 1.0073 171.13 0.7810 22.7994
2 1.0110 171.77 0.7806 22.9429
3 1.0130 172.10 0.7804 23.0176
4 1.0143 172.32 0.7803 23.0671
5 1.0152 172.48 0.7802 23.1037
6 1.0160 172.61 0.7802 23.1324
7 1.0166 172.71 0.7801 23.1559
8 0.9964 169.28 0.7882 22.3811
9 0.9923 168.58 0.7899 22.2238
10 0.9879 167.84 0.7917 22.0568
11 0.9833 167.06 0.7936 21.8812
12 0.9785 166.25 0.7955 21.6977
13 0.9735 165.40 0.7975 21.5069
14 0.9684 164.52 0.7995 21.3091
15 0.9630 163.62 0.8016 21.1050
16 0.9576 162.69 0.8037 20.8950
17 0.9519 161.73 0.8059 20.6795
18 0.9462 160.75 0.8081 20.4588
19 0.9403 159.75 0.8103 20.2335
20 0.9343 158.73 0.8125 20.0037
21 0.9282 157.70 0.8148 19.7700
22 0.9220 156.64 0.8171 19.5326
23 0.9157 155.57 0.8195 19.2918
24 0.9093 154.49 0.8218 19.0480
*******************************************************************
* ANNUAL HEATING, COOLING AND/OR ELECTRICITY PRODUCTION PROFILE *
*******************************************************************
YEAR HEAT HEAT RESERVOIR PERCENTAGE OF
PROVIDED EXTRACTED HEAT CONTENT TOTAL HEAT MINED
(GWh/year) (GWh/year) (10^15 J) (%)
1 178.4 198.2 39.51 1.77
2 180.4 200.4 38.78 3.57
3 181.2 201.3 38.06 5.37
4 181.7 201.9 37.33 7.18
5 182.0 202.2 36.60 8.99
6 182.3 202.5 35.88 10.80
7 182.5 202.7 35.15 12.62
8 181.6 201.8 34.42 14.42
9 175.8 195.4 33.72 16.17
10 174.6 194.0 33.02 17.91
11 173.2 192.5 32.32 19.63
12 171.8 190.9 31.64 21.34
13 170.3 189.2 30.96 23.03
14 168.8 187.5 30.28 24.71
15 167.2 185.8 29.61 26.37
16 165.6 184.0 28.95 28.02
17 163.9 182.1 28.29 29.65
18 162.2 180.2 27.65 31.26
19 160.4 178.2 27.00 32.86
20 158.6 176.2 26.37 34.44
21 156.8 174.2 25.74 35.99
22 154.9 172.1 25.12 37.54
23 153.0 170.1 24.51 39.06
24 151.1 167.9 23.91 40.56
25 149.5 166.1 23.31 42.05
********************************
* REVENUE & CASHFLOW PROFILE *
********************************
Year Electricity | Heat | Cooling | Carbon | Project
Since Price Ann. Rev. Cumm. Rev. | Price Ann. Rev. Cumm. Rev. | Price Ann. Rev. Cumm. Rev. | Price Ann. Rev. Cumm. Rev. | OPEX Net Rev. Net Cashflow
Start (cents/kWh)(MUSD/yr) (MUSD) |(cents/kWh) (MUSD/yr) (MUSD) |(cents/kWh) (MUSD/yr) (MUSD) |(USD/lb) (MUSD/yr) (MUSD) |(MUSD/yr) (MUSD/yr) (MUSD)
________________________________________________________________________________________________________________________________________________________________________________________
0 0.00 0.00 0.00 | 0.00 0.00 0.00 | 0.00 0.00 0.00 | 0.00 0.00 0.00 | 0.00 -35.74 -35.74
1 5.50 0.00 0.00 | 2.50 4.46 4.46 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.05 3.41 -32.33
2 5.50 0.00 0.00 | 2.50 4.51 8.97 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.05 3.46 -28.88
3 5.50 0.00 0.00 | 2.50 4.53 13.50 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.05 3.48 -25.40
4 5.50 0.00 0.00 | 2.50 4.54 18.04 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.05 3.49 -21.91
5 5.50 0.00 0.00 | 2.50 4.55 22.59 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.05 3.50 -18.41
6 5.50 0.00 0.00 | 2.50 4.56 27.15 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.05 3.51 -14.90
7 5.50 0.00 0.00 | 2.50 4.56 31.71 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.05 3.51 -11.39
8 5.50 0.00 0.00 | 2.50 4.54 36.25 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.05 3.49 -7.90
9 5.50 0.00 0.00 | 2.50 4.40 40.65 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.05 3.34 -4.56
10 5.50 0.00 0.00 | 2.50 4.36 45.01 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.05 3.31 -1.25
11 5.50 0.00 0.00 | 2.50 4.33 49.34 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.05 3.28 2.03
12 5.50 0.00 0.00 | 2.50 4.29 53.64 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.05 3.24 5.28
13 5.50 0.00 0.00 | 2.50 4.26 57.89 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.05 3.21 8.48
14 5.50 0.00 0.00 | 2.50 4.22 62.11 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.05 3.17 11.65
15 5.50 0.00 0.00 | 2.50 4.18 66.29 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.05 3.13 14.78
16 5.50 0.00 0.00 | 2.50 4.14 70.43 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.05 3.09 17.87
17 5.50 0.00 0.00 | 2.50 4.10 74.53 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.05 3.05 20.92
18 5.50 0.00 0.00 | 2.50 4.05 78.58 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.05 3.00 23.92
19 5.50 0.00 0.00 | 2.50 4.01 82.59 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.05 2.96 26.88
20 5.50 0.00 0.00 | 2.50 3.97 86.56 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.05 2.91 29.79
21 5.50 0.00 0.00 | 2.50 3.92 90.48 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.05 2.87 32.66
22 5.50 0.00 0.00 | 2.50 3.87 94.35 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.05 2.82 35.48
23 5.50 0.00 0.00 | 2.50 3.83 98.18 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.05 2.78 38.26
24 5.50 0.00 0.00 | 2.50 3.78 101.96 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.05 2.73 40.99
25 5.50 0.00 0.00 | 2.50 3.74 105.69 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 1.05 2.69 43.67