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test_fervo_project_red_2026_results_against_reference_values - ensure pumping power = 0.7 MW
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‎tests/examples/Fervo_Project_Red-2026.out‎

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Original file line numberDiff line numberDiff line change
@@ -6,14 +6,14 @@ Simulation Metadata
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----------------------
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GEOPHIRES Version: 3.13.1
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Simulation Date: 2026-04-20
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Simulation Time: 13:40
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Calculation Time: 0.152 sec
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Simulation Time: 13:52
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Calculation Time: 0.157 sec
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***SUMMARY OF RESULTS***
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End-Use Option: Electricity
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Average Net Electricity Production: 1.99 MW
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Electricity breakeven price: 107.12 cents/kWh
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Average Net Electricity Production: 1.98 MW
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Electricity breakeven price: 107.61 cents/kWh
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Number of production wells: 1
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Number of injection wells: 1
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Flowrate per production well: 36.0 kg/sec
@@ -28,8 +28,8 @@ Simulation Metadata
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Inflation costs during construction: 1.37 MUSD
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Project lifetime: 2 yr
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Capacity factor: 90.0 %
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Project NPV: -24.64 MUSD
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Project IRR: -74.20 %
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Project NPV: -24.67 MUSD
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Project IRR: -74.31 %
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Project VIR=PI=PIR: 0.10
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Project MOIC: -0.84
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Project Payback Period: N/A
@@ -75,7 +75,7 @@ Simulation Metadata
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Plant outlet pressure: 10342.14 kPa
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Production wellhead pressure: 1551.32 kPa
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Productivity Index: 0.49 kg/sec/bar
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Injectivity Index: 0.60 kg/sec/bar
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Injectivity Index: 0.59 kg/sec/bar
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Reservoir density: 2800.00 kg/m**3
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Reservoir thermal conductivity: 2.70 W/m/K
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Reservoir heat capacity: 1000.00 J/kg/K
@@ -90,8 +90,8 @@ Simulation Metadata
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Average Reservoir Heat Extraction: 18.66 MW
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Production Wellbore Heat Transmission Model = Ramey Model
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Average Production Well Temperature Drop: 4.7 degC
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Average Injection Well Pump Pressure Drop: 2523.5 kPa
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Average Production Well Pump Pressure Drop: 10737.9 kPa
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Average Injection Well Pump Pressure Drop: 2655.7 kPa
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Average Production Well Pump Pressure Drop: 10752.8 kPa
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***CAPITAL COSTS (M$)***
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Drilling and completion costs per non-vertical section: 1.80 MUSD
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Stimulation costs: 1.51 MUSD
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Surface power plant costs: 10.46 MUSD
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Field gathering system costs: 1.60 MUSD
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Total surface equipment costs: 12.05 MUSD
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Total capital costs: 27.32 MUSD
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Field gathering system costs: 1.61 MUSD
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Total surface equipment costs: 12.06 MUSD
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Total capital costs: 27.33 MUSD
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***OPERATING AND MAINTENANCE COSTS (M$/yr)***
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Average Total Electricity Generation: 2.68 MW
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Minimum Total Electricity Generation: 2.45 MW
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Initial Total Electricity Generation: 2.69 MW
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Maximum Net Electricity Generation: 2.05 MW
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Average Net Electricity Generation: 1.99 MW
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Minimum Net Electricity Generation: 1.76 MW
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Initial Net Electricity Generation: 2.00 MW
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Maximum Net Electricity Generation: 2.04 MW
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Average Net Electricity Generation: 1.98 MW
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Minimum Net Electricity Generation: 1.75 MW
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Initial Net Electricity Generation: 1.99 MW
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Average Annual Total Electricity Generation: 21.12 GWh
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Average Annual Net Electricity Generation: 15.69 GWh
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Initial pumping power/net installed power: 34.44 %
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Average Pumping Power: 0.69 MW
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Heat to Power Conversion Efficiency: 10.65 %
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Average Annual Net Electricity Generation: 15.63 GWh
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Initial pumping power/net installed power: 35.02 %
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Average Pumping Power: 0.70 MW
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Heat to Power Conversion Efficiency: 10.60 %
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************************************************************
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* HEATING, COOLING AND/OR ELECTRICITY PRODUCTION PROFILE *
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************************************************************
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YEAR THERMAL GEOFLUID PUMP NET FIRST LAW
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DRAWDOWN TEMPERATURE POWER POWER EFFICIENCY
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(degC) (MW) (MW) (%)
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1 1.0000 180.20 0.6883 1.9987 10.6874
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2 1.0064 181.35 0.6883 2.0444 10.8312
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1 1.0000 180.20 0.6969 1.9901 10.6413
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2 1.0064 181.35 0.6969 2.0357 10.7855
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*******************************************************************
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YEAR ELECTRICITY HEAT RESERVOIR PERCENTAGE OF
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PROVIDED EXTRACTED HEAT CONTENT TOTAL HEAT MINED
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(GWh/year) (GWh/year) (10^15 J) (%)
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1 16.1 148.6 1.44 27.09
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1 16.0 148.6 1.44 27.09
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2 15.3 145.8 0.91 53.67
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@@ -159,6 +159,6 @@ Year Electricity | Heat |
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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
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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)
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________________________________________________________________________________________________________________________________________________________________________________________
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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 -27.32 -27.32
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1 15.00 2.41 2.41 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.88 1.53 -25.79
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2 15.00 2.30 4.71 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.88 1.42 -24.36
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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 -27.33 -27.33
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1 15.00 2.40 2.40 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.88 1.52 -25.80
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2 15.00 2.29 4.69 | 2.50 0.00 0.00 | 2.50 0.00 0.00 | 0.00 0.00 0.00 | 0.88 1.41 -24.39

‎tests/examples/Fervo_Project_Red-2026.txt‎

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@@ -45,8 +45,8 @@ Injection Temperature, 75, -- per https://fervoenergy.com/enhanced-geothermal-ha
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Injection Wellbore Temperature Gain, 3, -- [degC]
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Ramey Production Wellbore Model, 1
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Injectivity Index, 0.6, -- Calibrated to yield ~0.7 MW Average Pumping Power
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Productivity Index, 0.491, -- See Injectivity Index
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Injectivity Index, 0.59, -- Calibrated to yield ~0.7 MW Average Pumping Power
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Productivity Index, 0.49, -- See Injectivity Index
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Water Loss Fraction, 0.3, -- per https://fervoenergy.com/enhanced-geothermal-has-been-proven-at-scale-heres-what-two-years-of-production-data-show/
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‎tests/geophires_x_tests/test_fervo_project_red_2026.py‎

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from __future__ import annotations
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from base_test_case import BaseTestCase
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from geophires_x_client import GeophiresInputParameters
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from geophires_x_client import GeophiresXClient
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class FervoProjectCape4TestCase(BaseTestCase):
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def test_fervo_project_red_2026_results_against_reference_values(self):
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"""
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Asserts that results conform to some of the key reference values claimed in docs/Fervo_Project_Cape-4.md.
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"""
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r = GeophiresXClient().get_geophires_result(
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GeophiresInputParameters(from_file_path=self._get_test_file_path('../examples/Fervo_Project_Red-2026.txt'))
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)
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avg_pumping_power_mw = r.result['SURFACE EQUIPMENT SIMULATION RESULTS']['Average Pumping Power']['value']
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self.assertEqual(0.7, avg_pumping_power_mw)

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