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*****************
***CASE REPORT***
*****************
Simulation Metadata
----------------------
GEOPHIRES Version: 3.4.21
GEOPHIRES Build Date: 2024-03-05
Simulation Date: 2024-03-12
Simulation Time: 07:20
Calculation Time: 0.146 sec
***SUMMARY OF RESULTS***
End-Use Option: Direct-Use Heat
Average Direct-Use Heat Production: 16.64 MW
Direct-Use heat breakeven price (LCOH): 14.49 USD/MMBTU
Number of production wells: 2
Number of injection wells: 2
Flowrate per production well: 70.0 kg/sec
Well depth (or total length, if not vertical): 2.1 kilometer
Geothermal gradient: 0.0450 degC/m
***ECONOMIC PARAMETERS***
Economic Model = Standard Levelized Cost
Interest Rate: 5.00
Accrued financing during construction: 5.00
Project lifetime: 30 yr
Capacity factor: 90.0 %
Project NPV: 5.39 MUSD
Project IRR: 7.89 %
Project VIR=PI=PIR: 1.17
Project MOIC: 0.98
Project Payback Period: 12.16 yr
***ENGINEERING PARAMETERS***
Number of Production Wells: 2
Number of Injection Wells: 2
Well depth (or total length, if not vertical): 2.1 kilometer
Water loss rate: 2.0
Pump efficiency: 80.0
Injection temperature: 83.0 degC
User-provided production well temperature drop
Constant production well temperature drop: 5.0 degC
Flowrate per production well: 70.0 kg/sec
Injection well casing ID: 8.500 in
Production well casing ID: 8.500 in
Number of times redrilling: 0
***RESOURCE CHARACTERISTICS***
Maximum reservoir temperature: 400.0 degC
Number of segments: 1
Geothermal gradient: 0.0450 degC/m
***RESERVOIR PARAMETERS***
Reservoir Model = Single Fracture m/A Thermal Drawdown Model
m/A Drawdown Parameter: 0.00002 1/year
Bottom-hole temperature: 109.50 degC
Reservoir volume calculated with fracture separation and number of fractures as input
Number of fractures: 12.00
Fracture separation: 80.00 meter
Reservoir volume: 176000000 m**3
Reservoir hydrostatic pressure: 20849.48 kPa
Plant outlet pressure: 416.74 kPa
Production wellhead pressure: 485.69 kPa
Productivity Index: 10.00 kg/sec/bar
Injectivity Index: 5.00 kg/sec/bar
Reservoir density: 3000.00 kg/m**3
Reservoir thermal conductivity: 3.00 W/m/K
Reservoir heat capacity: 1000.00 J/kg/K
***RESERVOIR SIMULATION RESULTS***
Maximum Production Temperature: 104.5 degC
Average Production Temperature: 103.8 degC
Minimum Production Temperature: 102.1 degC
Initial Production Temperature: 104.5 degC
Average Reservoir Heat Extraction: 11.89 MW
Wellbore Heat Transmission Model = Constant Temperature Drop: 5.0 degC
Average Injection Well Pump Pressure Drop: 1661.4 kPa
Average Production Well Pump Pressure Drop: 830.3 kPa
***CAPITAL COSTS (M$)***
Drilling and completion costs: 13.91 MUSD
Drilling and completion costs per well: 3.48 MUSD
Stimulation costs: 3.02 MUSD
Surface power plant costs: 7.70 MUSD
of which Heat Pump Cost: 3.74 MUSD
Field gathering system costs: 2.55 MUSD
Total surface equipment costs: 10.25 MUSD
Exploration costs: 3.85 MUSD
Total capital costs: 31.03 MUSD
***OPERATING AND MAINTENANCE COSTS (M$/yr)***
Wellfield maintenance costs: 0.23 MUSD/yr
Power plant maintenance costs: 0.31 MUSD/yr
Water costs: 0.07 MUSD/yr
Average Reservoir Pumping Cost: 0.25 MUSD/yr
Average Heat Pump Electricity Cost: 3.63 MUSD/yr
Total operating and maintenance costs: 4.49 MUSD/yr
***SURFACE EQUIPMENT SIMULATION RESULTS***
Maximum Net Heat Production: 17.24 MW
Average Net Heat Production: 16.64 MW
Minimum Net Heat Production: 15.29 MW
Initial Net Heat Production: 17.24 MW
Average Annual Heat Production: 130.78 GWh
Average Annual Heat Pump Electricity Use: 51.90 GWh/year
Average Pumping Power: 0.45 MW
************************************************************
* HEATING, COOLING AND/OR ELECTRICITY PRODUCTION PROFILE *
************************************************************
YEAR THERMAL GEOFLUID PUMP NET HEAT PUMP
DRAWDOWN TEMPERATURE POWER HEAT ELECTRICITY USE
(deg C) (MWe) (MWt) (MWe)
0 1.0000 104.50 0.4443 17.2387 6.8408
1 1.0000 104.50 0.4443 17.2387 6.8408
2 1.0000 104.50 0.4443 17.2387 6.8408
3 1.0000 104.50 0.4443 17.2387 6.8408
4 1.0000 104.50 0.4443 17.2387 6.8407
5 1.0000 104.50 0.4443 17.2380 6.8405
6 1.0000 104.50 0.4443 17.2352 6.8394
7 0.9999 104.49 0.4444 17.2283 6.8366
8 0.9997 104.47 0.4444 17.2150 6.8314
9 0.9995 104.44 0.4445 17.1937 6.8229
10 0.9991 104.41 0.4446 17.1632 6.8108
11 0.9986 104.36 0.4447 17.1231 6.7949
12 0.9980 104.29 0.4448 17.0733 6.7751
13 0.9973 104.22 0.4450 17.0143 6.7517
14 0.9965 104.14 0.4452 16.9466 6.7249
15 0.9956 104.04 0.4454 16.8711 6.6949
16 0.9946 103.94 0.4457 16.7886 6.6621
17 0.9936 103.83 0.4459 16.6999 6.6269
18 0.9924 103.71 0.4462 16.6057 6.5896
19 0.9913 103.59 0.4465 16.5070 6.5504
20 0.9900 103.46 0.4468 16.4044 6.5097
21 0.9888 103.33 0.4471 16.2984 6.4676
22 0.9875 103.19 0.4474 16.1898 6.4245
23 0.9862 103.05 0.4478 16.0791 6.3806
24 0.9848 102.91 0.4481 15.9666 6.3360
25 0.9835 102.77 0.4484 15.8529 6.2908
26 0.9821 102.63 0.4488 15.7383 6.2453
27 0.9807 102.48 0.4491 15.6230 6.1996
28 0.9793 102.34 0.4495 15.5075 6.1538
29 0.9780 102.20 0.4498 15.3918 6.1079
*******************************************************************
* ANNUAL HEATING, COOLING AND/OR ELECTRICITY PRODUCTION PROFILE *
*******************************************************************
YEAR HEATING RESERVOIR HEAT HEAT PUMP RESERVOIR PERCENTAGE OF
PROVIDED EXTRACTED ELECTRICITY USE HEAT CONTENT TOTAL HEAT MINED
(GWh/year) (GWh/year) (GWh/year) (10^15 J) (%)
1 135.9 97.1 53.93 13.64 2.50
2 135.9 97.1 53.93 13.29 5.00
3 135.9 97.1 53.93 12.94 7.49
4 135.9 97.1 53.93 12.59 9.99
5 135.9 97.1 53.93 12.24 12.49
6 135.9 97.1 53.93 11.90 14.99
7 135.9 97.0 53.91 11.55 17.48
8 135.8 97.0 53.88 11.20 19.98
9 135.6 96.9 53.83 10.85 22.47
10 135.4 96.7 53.75 10.50 24.96
11 135.2 96.5 53.64 10.15 27.44
12 134.8 96.3 53.50 9.81 29.92
13 134.4 96.0 53.33 9.46 32.39
14 133.9 95.6 53.13 9.12 34.85
15 133.3 95.2 52.90 8.77 37.30
16 132.7 94.8 52.66 8.43 39.74
17 132.0 94.3 52.39 8.09 42.17
18 131.3 93.8 52.10 7.75 44.58
19 130.5 93.2 51.80 7.42 46.98
20 129.7 92.7 51.48 7.09 49.36
21 128.9 92.1 51.16 6.75 51.73
22 128.1 91.5 50.82 6.42 54.09
23 127.2 90.9 50.48 6.10 56.42
24 126.3 90.2 50.13 5.77 58.74
25 125.4 89.6 49.78 5.45 61.05
26 124.5 89.0 49.42 5.13 63.34
27 123.6 88.3 49.06 4.81 65.61
28 122.7 87.7 48.70 4.50 67.87
29 121.8 87.0 48.34 4.18 70.10
30 108.8 77.7 43.19 3.90 72.10
********************************
* 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/tonne) (MUSD/yr) (MUSD) |(MUSD/yr) (MUSD/yr) (MUSD)
________________________________________________________________________________________________________________________________________________________________________________________
1 5.50 0.00 0.00 | 2.50 -31.03 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.00 -31.03 -31.03
2 5.50 0.00 0.00 | 2.50 2.78 3.40 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.61 2.78 -28.24
3 5.50 0.00 0.00 | 2.50 2.78 6.80 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.61 2.78 -25.46
4 5.50 0.00 0.00 | 2.50 2.78 10.19 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.61 2.78 -22.67
5 5.50 0.00 0.00 | 2.50 2.78 13.59 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.61 2.78 -19.89
6 5.50 0.00 0.00 | 2.50 2.78 16.99 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.61 2.78 -17.11
7 5.50 0.00 0.00 | 2.50 2.78 20.39 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.61 2.78 -14.32
8 5.50 0.00 0.00 | 2.50 2.78 23.78 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.61 2.78 -11.54
9 5.50 0.00 0.00 | 2.50 2.78 27.18 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.61 2.78 -8.76
10 5.50 0.00 0.00 | 2.50 2.78 30.57 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.61 2.78 -5.98
11 5.50 0.00 0.00 | 2.50 2.77 33.95 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.61 2.77 -3.21
12 5.50 0.00 0.00 | 2.50 2.77 37.33 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.61 2.77 -0.44
13 5.50 0.00 0.00 | 2.50 2.76 40.70 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.61 2.76 2.32
14 5.50 0.00 0.00 | 2.50 2.75 44.06 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.61 2.75 5.06
15 5.50 0.00 0.00 | 2.50 2.73 47.41 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.61 2.73 7.80
16 5.50 0.00 0.00 | 2.50 2.72 50.74 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.61 2.72 10.52
17 5.50 0.00 0.00 | 2.50 2.70 54.06 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.61 2.70 13.22
18 5.50 0.00 0.00 | 2.50 2.69 57.36 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.61 2.69 15.91
19 5.50 0.00 0.00 | 2.50 2.67 60.64 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.61 2.67 18.58
20 5.50 0.00 0.00 | 2.50 2.65 63.91 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.61 2.65 21.23
21 5.50 0.00 0.00 | 2.50 2.63 67.15 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.61 2.63 23.86
22 5.50 0.00 0.00 | 2.50 2.61 70.37 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.61 2.61 26.47
23 5.50 0.00 0.00 | 2.50 2.59 73.57 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.61 2.59 29.05
24 5.50 0.00 0.00 | 2.50 2.57 76.75 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.61 2.57 31.62
25 5.50 0.00 0.00 | 2.50 2.54 79.91 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.61 2.54 34.17
26 5.50 0.00 0.00 | 2.50 2.52 83.05 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.61 2.52 36.69
27 5.50 0.00 0.00 | 2.50 2.50 86.16 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.61 2.50 39.19
28 5.50 0.00 0.00 | 2.50 2.48 89.25 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.61 2.48 41.67
29 5.50 0.00 0.00 | 2.50 2.45 92.32 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.61 2.45 44.12
30 5.50 0.00 0.00 | 2.50 2.43 95.37 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.61 2.43 46.55