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Fervo_Norbeck_Latimer_2023.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: 0.434 sec
***SUMMARY OF RESULTS***
End-Use Option: Electricity
Average Net Electricity Production: 2.26 MW
Electricity breakeven price: 26.75 cents/kWh
Number of production wells: 1
Number of injection wells: 1
Flowrate per production well: 41.0 kg/sec
Well depth: 2.3 kilometer
Geothermal gradient: 74 degC/km
***ECONOMIC PARAMETERS***
Economic Model = BICYCLE
Accrued financing during construction: 5.00
Project lifetime: 10 yr
Capacity factor: 90.0 %
Project NPV: -13.03 MUSD
Project IRR: -4.40 %
Project VIR=PI=PIR: 0.54
Project MOIC: -0.18
Project Payback Period: N/A
Estimated Jobs Created: 6
***ENGINEERING PARAMETERS***
Number of Production Wells: 1
Number of Injection Wells: 1
Well depth: 2.3 kilometer
Water loss rate: 10.0
Pump efficiency: 80.0 %
Injection temperature: 41.0 degC
Production Wellbore heat transmission calculated with Ramey's model
Average production well temperature drop: 3.8 degC
Flowrate per production well: 41.0 kg/sec
Injection well casing ID: 7.000 in
Production well casing ID: 7.000 in
Number of times redrilling: 0
Power plant type: Supercritical ORC
***RESOURCE CHARACTERISTICS***
Maximum reservoir temperature: 400.0 degC
Number of segments: 1
Geothermal gradient: 74 degC/km
***RESERVOIR PARAMETERS***
Reservoir Model = Multiple Parallel Fractures Model
Bottom-hole temperature: 179.42 degC
Fracture model = Rectangular
Well separation: fracture height: 160.00 meter
Fracture width: 160.00 meter
Fracture area: 25600.00 m**2
Reservoir volume calculated with fracture separation and number of fractures as input
Number of fractures: 100.00
Fracture separation: 10.00 meter
Reservoir volume: 25344000 m**3
Reservoir impedance: 0.3000 GPa.s/m**3
Reservoir density: 2800.00 kg/m**3
Reservoir thermal conductivity: 2.70 W/m/K
Reservoir heat capacity: 1000.00 J/kg/K
***RESERVOIR SIMULATION RESULTS***
Maximum Production Temperature: 175.7 degC
Average Production Temperature: 174.1 degC
Minimum Production Temperature: 162.2 degC
Initial Production Temperature: 173.5 degC
Average Reservoir Heat Extraction: 22.74 MW
Production Wellbore Heat Transmission Model = Ramey Model
Average Production Well Temperature Drop: 3.8 degC
Total Average Pressure Drop: 11221.8 kPa
Average Injection Well Pressure Drop: 387.1 kPa
Average Reservoir Pressure Drop: 12713.2 kPa
Average Production Well Pressure Drop: 342.1 kPa
Average Buoyancy Pressure Drop: -2220.6 kPa
***CAPITAL COSTS (M$)***
Drilling and completion costs: 10.13 MUSD
Drilling and completion costs per vertical production well: 3.02 MUSD
Drilling and completion costs per vertical injection well: 3.02 MUSD
Drilling and completion costs per non-vertical section: 1.80 MUSD
Stimulation costs: 1.51 MUSD
Surface power plant costs: 11.34 MUSD
Field gathering system costs: 1.52 MUSD
Total surface equipment costs: 12.85 MUSD
Exploration costs: 3.62 MUSD
Total capital costs: 28.12 MUSD
***OPERATING AND MAINTENANCE COSTS (M$/yr)***
Wellfield maintenance costs: 0.21 MUSD/yr
Power plant maintenance costs: 0.45 MUSD/yr
Water costs: 0.11 MUSD/yr
Total operating and maintenance costs: 0.76 MUSD/yr
***SURFACE EQUIPMENT SIMULATION RESULTS***
Initial geofluid availability: 0.15 MW/(kg/s)
Maximum Total Electricity Generation: 2.97 MW
Average Total Electricity Generation: 2.90 MW
Minimum Total Electricity Generation: 2.38 MW
Initial Total Electricity Generation: 2.87 MW
Maximum Net Electricity Generation: 2.34 MW
Average Net Electricity Generation: 2.26 MW
Minimum Net Electricity Generation: 1.74 MW
Initial Net Electricity Generation: 2.24 MW
Average Annual Total Electricity Generation: 22.83 GWh
Average Annual Net Electricity Generation: 17.85 GWh
Initial pumping power/net installed power: 28.16 %
Average Pumping Power: 0.63 MW
Heat to Power Conversion Efficiency: 9.95 %
************************************************************
* HEATING, COOLING AND/OR ELECTRICITY PRODUCTION PROFILE *
************************************************************
YEAR THERMAL GEOFLUID PUMP NET FIRST LAW
DRAWDOWN TEMPERATURE POWER POWER EFFICIENCY
(degC) (MW) (MW) (%)
1 1.0000 173.47 0.6305 2.2385 9.8871
2 1.0088 175.01 0.6300 2.3076 10.0758
3 1.0107 175.32 0.6299 2.3220 10.1147
4 1.0116 175.49 0.6298 2.3295 10.1349
5 1.0123 175.60 0.6298 2.3345 10.1483
6 1.0127 175.67 0.6298 2.3379 10.1576
7 1.0127 175.68 0.6298 2.3380 10.1576
8 1.0107 175.34 0.6303 2.3221 10.1142
9 1.0021 173.83 0.6323 2.2525 9.9225
10 0.9780 169.65 0.6377 2.0628 9.3820
*******************************************************************
* ANNUAL HEATING, COOLING AND/OR ELECTRICITY PRODUCTION PROFILE *
*******************************************************************
YEAR ELECTRICITY HEAT RESERVOIR PERCENTAGE OF
PROVIDED EXTRACTED HEAT CONTENT TOTAL HEAT MINED
(GWh/year) (GWh/year) (10^15 J) (%)
1 18.0 179.8 9.18 6.59
2 18.3 180.8 8.52 13.22
3 18.3 181.1 7.87 19.85
4 18.4 181.3 7.22 26.50
5 18.4 181.4 6.57 33.15
6 18.4 181.5 5.91 39.80
7 18.4 181.3 5.26 46.44
8 18.1 180.2 4.61 53.05
9 17.1 176.6 3.98 59.52
10 15.1 168.8 3.37 65.70
********************************
* 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 -28.12 -28.12
1 15.00 2.70 2.70 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.76 1.94 -26.18
2 15.00 2.74 5.44 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.76 1.97 -24.21
3 15.41 2.83 8.26 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.76 2.06 -22.15
4 15.81 2.91 11.17 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.76 2.14 -20.00
5 16.22 2.99 14.16 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.76 2.22 -17.78
6 16.62 3.06 17.22 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.76 2.30 -15.48
7 17.03 3.13 20.35 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.76 2.37 -13.12
8 17.43 3.15 23.51 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.76 2.39 -10.73
9 17.84 3.05 26.56 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.76 2.29 -8.44
10 18.24 2.75 29.31 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.76 1.99 -6.45