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S-DAC-GT.out
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*****************
***CASE REPORT***
*****************
Simulation Metadata
----------------------
GEOPHIRES Version: 3.7.23
Simulation Date: 2025-03-10
Simulation Time: 10:42
Calculation Time: 0.107 sec
***SUMMARY OF RESULTS***
End-Use Option: Cogeneration Topping Cycle, Heat sales considered as extra income
Average Net Electricity Production: 19.62 MW
Average Direct-Use Heat Production: 13.19 MW
Electricity breakeven price: 10.68 cents/kWh
Direct-Use heat breakeven price (LCOH): -56.08 USD/MMBTU
Number of production wells: 3
Number of injection wells: 3
Flowrate per production well: 70.0 kg/sec
Well depth: 3.1 kilometer
Geothermal gradient: 70 degC/km
***ECONOMIC PARAMETERS***
Economic Model = BICYCLE
Accrued financing during construction: 0.00
Project lifetime: 30 yr
Capacity factor: 90.0 %
Project NPV: -82.17 MUSD
Project IRR: -5.86 %
Project VIR=PI=PIR: 0.20
Project MOIC: -0.30
Project Payback Period: N/A
CHP: Percent cost allocation for electrical plant: 92.25 %
***ENGINEERING PARAMETERS***
Number of Production Wells: 3
Number of Injection Wells: 3
Well depth: 3.1 kilometer
Water loss rate: 2.0
Pump efficiency: 80.0 %
Injection temperature: 70.0 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
Power plant type: Double-Flash
***RESOURCE CHARACTERISTICS***
Maximum reservoir temperature: 400.0 degC
Number of segments: 1
Geothermal gradient: 70 degC/km
***RESERVOIR PARAMETERS***
Reservoir Model = Single Fracture m/A Thermal Drawdown Model
m/A Drawdown Parameter: 0.00002 1/year
Bottom-hole temperature: 232.00 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: 29019.48 kPa
Plant outlet pressure: 100.00 kPa
Injectivity Index: 5.00 kg/sec/bar
Reservoir density: 2700.00 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: 227.0 degC
Average Production Temperature: 220.6 degC
Minimum Production Temperature: 207.6 degC
Initial Production Temperature: 227.0 degC
Average Reservoir Heat Extraction: 133.05 MW
Wellbore Heat Transmission Model = Constant Temperature Drop: 5.0 degC
Average Injection Well Pump Pressure Drop: 687.0 kPa
***CAPITAL COSTS (M$)***
Drilling and completion costs: 25.55 MUSD
Drilling and completion costs per well: 4.26 MUSD
Stimulation costs: 4.53 MUSD
Surface power plant costs: 64.90 MUSD
Field gathering system costs: 3.16 MUSD
Total surface equipment costs: 68.06 MUSD
Exploration costs: 4.42 MUSD
Total capital costs: 102.56 MUSD
***OPERATING AND MAINTENANCE COSTS (M$/yr)***
Wellfield maintenance costs: 0.74 MUSD/yr
Power plant maintenance costs: 2.34 MUSD/yr
Water costs: 0.11 MUSD/yr
Total operating and maintenance costs: 3.19 MUSD/yr
***SURFACE EQUIPMENT SIMULATION RESULTS***
Initial geofluid availability: 0.23 MW/(kg/s)
Maximum Total Electricity Generation: 21.16 MW
Average Total Electricity Generation: 19.80 MW
Minimum Total Electricity Generation: 17.14 MW
Initial Total Electricity Generation: 21.16 MW
Maximum Net Electricity Generation: 20.98 MW
Average Net Electricity Generation: 19.62 MW
Minimum Net Electricity Generation: 16.96 MW
Initial Net Electricity Generation: 20.98 MW
Average Annual Total Electricity Generation: 87.28 GWh
Average Annual Net Electricity Generation: 85.81 GWh
Initial pumping power/net installed power: 0.89 %
Maximum Net Heat Production: 14.05 MW
Average Net Heat Production: 13.19 MW
Minimum Net Heat Production: 11.35 MW
Initial Net Heat Production: 14.05 MW
Average Annual Heat Production: -4.76 GWh
Average Pumping Power: 0.19 MW
Heat to Power Conversion Efficiency: 16.55 %
************************************************************
* HEATING, COOLING AND/OR ELECTRICITY PRODUCTION PROFILE *
************************************************************
YEAR THERMAL GEOFLUID PUMP NET NET FIRST LAW
DRAWDOWN TEMPERATURE POWER POWER HEAT EFFICIENCY
(deg C) (MW) (MW) (MW) (%)
0 1.0000 227.00 0.1857 20.9750 14.0539 17.0370
1 1.0000 227.00 0.1857 20.9750 14.0539 17.0370
2 1.0000 227.00 0.1857 20.9750 14.0539 17.0370
3 1.0000 227.00 0.1857 20.9750 14.0538 17.0369
4 1.0000 227.00 0.1857 20.9743 14.0534 17.0367
5 0.9999 226.98 0.1857 20.9700 14.0509 17.0352
6 0.9996 226.92 0.1857 20.9566 14.0432 17.0306
7 0.9991 226.79 0.1857 20.9285 14.0268 17.0209
8 0.9981 226.57 0.1857 20.8811 13.9992 17.0046
9 0.9967 226.26 0.1857 20.8121 13.9588 16.9807
10 0.9949 225.84 0.1857 20.7210 13.9051 16.9492
11 0.9926 225.32 0.1857 20.6087 13.8385 16.9102
12 0.9899 224.71 0.1857 20.4769 13.7597 16.8643
13 0.9869 224.02 0.1857 20.3281 13.6697 16.8122
14 0.9835 223.26 0.1857 20.1645 13.5697 16.7546
15 0.9799 222.44 0.1857 19.9885 13.4608 16.6925
16 0.9761 221.57 0.1857 19.8026 13.3442 16.6264
17 0.9720 220.65 0.1857 19.6086 13.2209 16.5571
18 0.9678 219.70 0.1857 19.4085 13.0919 16.4852
19 0.9635 218.72 0.1857 19.2038 12.9580 16.4111
20 0.9591 217.72 0.1857 18.9961 12.8200 16.3355
21 0.9547 216.71 0.1857 18.7865 12.6787 16.2587
22 0.9501 215.68 0.1857 18.5760 12.5345 16.1810
23 0.9456 214.65 0.1857 18.3655 12.3881 16.1028
24 0.9410 213.61 0.1857 18.1557 12.2399 16.0244
25 0.9365 212.58 0.1857 17.9472 12.0904 15.9459
26 0.9319 211.54 0.1857 17.7406 11.9398 15.8675
27 0.9274 210.51 0.1857 17.5362 11.7886 15.7894
28 0.9229 209.49 0.1857 17.3344 11.6370 15.7118
29 0.9184 208.47 0.1857 17.1353 11.4853 15.6347
*******************************************************************
* ANNUAL HEATING, COOLING AND/OR ELECTRICITY PRODUCTION PROFILE *
*******************************************************************
YEAR HEAT ELECTRICITY HEAT RESERVOIR PERCENTAGE OF
PROVIDED PROVIDED EXTRACTED HEAT CONTENT TOTAL HEAT MINED
(GWh/year) (GWh/year) (GWh/year) (10^15 J) (%)
1 -2.5 93.6 1093.75 73.04 5.11
2 -2.5 93.6 1093.75 69.11 10.23
3 -2.5 93.6 1093.75 65.17 15.34
4 -2.5 93.6 1093.74 61.23 20.46
5 -2.5 93.6 1093.67 57.30 25.57
6 -2.6 93.6 1093.41 53.36 30.69
7 -2.6 93.4 1092.76 49.42 35.80
8 -2.6 93.2 1091.57 45.50 40.90
9 -2.7 92.9 1089.72 41.57 46.00
10 -2.8 92.4 1087.17 37.66 51.08
11 -3.0 91.8 1083.91 33.76 56.15
12 -3.1 91.1 1079.99 29.87 61.20
13 -3.3 90.3 1075.47 26.00 66.23
14 -3.5 89.4 1070.41 22.14 71.24
15 -3.8 88.4 1064.89 18.31 76.22
16 -4.1 87.4 1058.98 14.50 81.17
17 -4.4 86.3 1052.73 10.71 86.09
18 -4.7 85.2 1046.22 6.94 90.98
19 -5.0 84.0 1039.50 3.20 95.84
20 -5.4 82.8 1032.60 -0.52 100.67
21 -5.8 81.7 1025.58 -4.21 105.47
22 -6.2 80.5 1018.47 -7.88 110.23
23 -6.6 79.3 1011.30 -11.52 114.96
24 -7.0 78.1 1004.09 -15.13 119.66
25 -7.4 76.9 996.87 -18.72 124.32
26 -7.8 75.8 989.66 -22.28 128.95
27 -8.3 74.6 982.47 -25.82 133.54
28 -8.7 73.5 975.32 -29.33 138.10
29 -9.2 72.4 968.21 -32.82 142.63
30 -9.6 71.3 961.52 -36.28 147.13
********************************
* 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 -102.56 -102.56
1 5.50 5.15 5.15 | 2.50 -0.06 -0.06 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 3.19 1.90 -100.66
2 5.50 5.15 10.30 | 2.50 -0.06 -0.13 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 3.19 1.90 -98.77
3 5.50 5.15 15.45 | 2.50 -0.06 -0.19 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 3.19 1.90 -96.87
4 5.50 5.15 20.60 | 2.50 -0.06 -0.25 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 3.19 1.90 -94.97
5 5.50 5.15 25.74 | 2.50 -0.06 -0.32 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 3.19 1.89 -93.08
6 5.50 5.15 30.89 | 2.50 -0.06 -0.38 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 3.19 1.89 -91.19
7 5.50 5.14 36.03 | 2.50 -0.06 -0.45 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 3.19 1.88 -89.30
8 5.50 5.13 41.16 | 2.50 -0.07 -0.51 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 3.19 1.87 -87.43
9 5.50 5.11 46.26 | 2.50 -0.07 -0.58 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 3.19 1.85 -85.58
10 5.50 5.08 51.35 | 2.50 -0.07 -0.65 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 3.19 1.82 -83.76
11 5.50 5.05 56.40 | 2.50 -0.07 -0.72 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 3.19 1.79 -81.97
12 5.50 5.01 61.41 | 2.50 -0.08 -0.80 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 3.19 1.74 -80.22
13 5.50 4.97 66.38 | 2.50 -0.08 -0.89 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 3.19 1.69 -78.53
14 5.50 4.92 71.29 | 2.50 -0.09 -0.97 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 3.19 1.64 -76.89
15 5.50 4.86 76.16 | 2.50 -0.09 -1.07 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 3.19 1.58 -75.31
16 5.50 4.81 80.96 | 2.50 -0.10 -1.17 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 3.19 1.52 -73.80
17 5.50 4.75 85.71 | 2.50 -0.11 -1.28 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 3.19 1.45 -72.35
18 5.50 4.68 90.40 | 2.50 -0.12 -1.40 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 3.19 1.38 -70.97
19 5.50 4.62 95.02 | 2.50 -0.13 -1.52 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 3.19 1.31 -69.66
20 5.50 4.56 99.57 | 2.50 -0.13 -1.66 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 3.19 1.23 -68.43
21 5.50 4.49 104.06 | 2.50 -0.14 -1.80 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 3.19 1.16 -67.27
22 5.50 4.43 108.49 | 2.50 -0.15 -1.96 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 3.19 1.08 -66.19
23 5.50 4.36 112.85 | 2.50 -0.16 -2.12 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 3.19 1.01 -65.18
24 5.50 4.30 117.15 | 2.50 -0.17 -2.29 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 3.19 0.93 -64.25
25 5.50 4.23 121.38 | 2.50 -0.18 -2.48 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 3.19 0.86 -63.40
26 5.50 4.17 125.54 | 2.50 -0.20 -2.67 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 3.19 0.78 -62.61
27 5.50 4.10 129.65 | 2.50 -0.21 -2.88 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 3.19 0.71 -61.91
28 5.50 4.04 133.69 | 2.50 -0.22 -3.10 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 3.19 0.63 -61.27
29 5.50 3.98 137.67 | 2.50 -0.23 -3.33 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 3.19 0.56 -60.71
30 5.50 3.92 141.59 | 2.50 -0.24 -3.57 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 3.19 0.49 -60.22
***S-DAC-GT ECONOMICS***
S-DAC-GT Report: Levelized Cost of Direct Air Capture (LCOD)
LCOD using grid-based electricity only: 387.69 USD/tonne
LCOD using natural gas only: 312.00 USD/tonne
LCOD using geothermal energy only: 288.87 USD/tonne
S-DAC-GT Report: CO2 Intensity of process (percent of CO2 mitigated that is emitted by S-DAC process)
CO2 Intensity using grid-based electricity only: 94.52 %
CO2 Intensity using natural gas only: 64.85 %
CO2 Intensity using geothermal energy only: 36.91 %
Geothermal LCOH: 0.0017 USD/kWh
Geothermal Ratio (electricity vs heat): 20.7259 %
Percent Energy Devoted To Process: 50.0000 %
Total Tonnes of CO2 Captured: 2,253,170.17 tonne
Total Cost of Capture: 500,842,063.38 USD
**********************
* S-DAC-GT PROFILE *
**********************
Year Carbon Cumm. Carbon S-DAC-GT S-DAC-GT Cumm. Cumm. Cost
Since Captured Captured Annual Cost Cash Flow Cost Per Tonne
Start (tonne/yr) (tonne) (USD/yr) (USD) (USD/tonne)
1 78,330.80 78,330.80 17,411,627.98 17,411,627.98 222.28
2 78,330.80 156,661.61 17,411,627.98 34,823,255.96 222.28
3 78,330.79 234,992.39 17,411,624.49 52,234,880.45 222.28
4 78,330.21 313,322.60 17,411,495.60 69,646,376.05 222.28
5 78,325.28 391,647.88 17,410,399.97 87,056,776.02 222.28
6 78,306.33 469,954.20 17,406,187.21 104,462,963.23 222.28
7 78,260.16 548,214.36 17,395,925.55 121,858,888.78 222.28
8 78,174.81 626,389.18 17,376,954.53 139,235,843.31 222.28
9 78,042.38 704,431.56 17,347,515.71 156,583,359.02 222.28
10 77,859.43 782,290.99 17,306,849.76 173,890,208.78 222.28
11 77,626.22 859,917.21 17,255,012.02 191,145,220.80 222.28
12 77,345.52 937,262.73 17,192,616.14 208,337,836.94 222.28
13 77,021.56 1,014,284.29 17,120,605.40 225,458,442.34 222.28
14 76,659.30 1,090,943.59 17,040,081.18 242,498,523.53 222.28
15 76,263.89 1,167,207.48 16,952,186.81 259,450,710.33 222.28
16 75,840.32 1,243,047.80 16,858,034.91 276,308,745.24 222.28
17 75,393.28 1,318,441.08 16,758,665.93 293,067,411.17 222.28
18 74,927.04 1,393,368.11 16,655,027.43 309,722,438.60 222.28
19 74,445.39 1,467,813.51 16,547,966.62 326,270,405.23 222.28
20 73,951.72 1,541,765.22 16,438,231.02 342,708,636.25 222.28
21 73,448.95 1,615,214.17 16,326,473.66 359,035,109.91 222.28
22 72,939.63 1,688,153.81 16,213,260.66 375,248,370.57 222.28
23 72,425.96 1,760,579.76 16,099,079.76 391,347,450.33 222.28
24 71,909.81 1,832,489.57 15,984,349.02 407,331,799.35 222.28
25 71,392.80 1,903,882.37 15,869,425.07 423,201,224.42 222.28
26 70,876.27 1,974,758.64 15,754,610.85 438,955,835.27 222.28
27 70,361.40 2,045,120.04 15,640,162.58 454,595,997.86 222.28
28 69,849.14 2,114,969.18 15,526,295.96 470,122,293.82 222.28
29 69,340.31 2,184,309.49 15,413,191.67 485,535,485.49 222.28
30 68,860.68 2,253,170.17 15,306,577.89 500,842,063.38 222.28