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Merge pull request #96 from softwareengineerprogrammer/inflation-costs-during-construction-all-econ-models
Inflation costs during construction for all econ models
2 parents 2a9af95 + 023a7f0 commit 8b3d888

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-92
lines changed

‎src/geophires_x/Economics.py

Lines changed: 70 additions & 32 deletions
Large diffs are not rendered by default.

‎src/geophires_x/EconomicsUtils.py

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Original file line numberDiff line numberDiff line change
@@ -139,8 +139,8 @@ def total_capex_parameter_output_parameter() -> OutputParameter:
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UnitType=Units.CURRENCY,
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CurrentUnits=CurrencyUnit.MDOLLARS,
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PreferredUnits=CurrencyUnit.MDOLLARS,
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ToolTipText="The total capital expenditure (CAPEX) required to construct the plant. "
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"This value includes all direct and indirect costs, contingency, and any cost escalation from "
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"inflation during construction. It is used as the total installed cost input for "
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"SAM Economic Models."
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ToolTipText='The total capital expenditure (CAPEX) required to construct the plant. '
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'This value includes all direct and indirect costs, and contingency. '
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'For SAM Economic models, it also includes any cost escalation from inflation during construction. '
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'It is used as the total installed cost input for SAM Economic Models.'
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)

‎src/geophires_x/Outputs.py

Lines changed: 16 additions & 2 deletions
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@@ -274,6 +274,20 @@ def PrintOutputs(self, model: Model):
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acf_label = Outputs._field_label(acf.display_name, 49)
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f.write(f' {acf_label}{acf.value:10.2f} {acf.CurrentUnits.value}\n')
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277+
display_inflation_costs_in_economic_parameters: bool = (
278+
econ.econmodel.value in [EconomicModel.BICYCLE,
279+
EconomicModel.FCR,
280+
EconomicModel.STANDARDIZED_LEVELIZED_COST]
281+
and
282+
econ.inflation_cost_during_construction.value != 0.
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)
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if display_inflation_costs_in_economic_parameters:
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# Inflation cost is displayed here for economic models that don't treat inflation cost as a
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# capital cost
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icc: OutputParameter = econ.inflation_cost_during_construction
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icc_label = Outputs._field_label(icc.display_name, 49)
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f.write(f' {icc_label}{icc.value:10.2f} {icc.CurrentUnits.value}\n')
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f.write(f' Project lifetime: {model.surfaceplant.plant_lifetime.value:10.0f} {model.surfaceplant.plant_lifetime.CurrentUnits.value}\n')
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f.write(f' Capacity factor: {model.surfaceplant.utilization_factor.value * 100:10.1f} %\n')
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@@ -497,8 +511,8 @@ def PrintOutputs(self, model: Model):
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# expenditure.
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pass
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500-
if is_sam_econ_model:
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# TODO calculate & display for other economic models
514+
display_inflation_during_construction_in_capital_costs = is_sam_econ_model
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if display_inflation_during_construction_in_capital_costs:
502516
icc_label = Outputs._field_label(econ.inflation_cost_during_construction.display_name, 47)
503517
f.write(f' {icc_label}{econ.inflation_cost_during_construction.value:10.2f} {econ.inflation_cost_during_construction.CurrentUnits.value}\n')
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‎src/geophires_x_client/geophires_x_result.py

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Original file line numberDiff line numberDiff line change
@@ -79,6 +79,8 @@ class GeophiresXResult:
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'Nominal Discount Rate',
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'WACC',
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'Accrued financing during construction',
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# Displayed for economic models that don't treat inflation costs as capital costs (non-SAM-EM)
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'Inflation costs during construction',
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'Project lifetime',
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'Capacity factor',
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'Project NPV',
@@ -261,6 +263,7 @@ class GeophiresXResult:
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'Total surface equipment costs',
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'Exploration costs',
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'Investment Tax Credit',
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# Displayed for economic models that treat inflation costs as capital costs (SAM-EM)
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'Inflation costs during construction',
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'Total Add-on CAPEX',
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'Total capital costs',

‎src/geophires_x_schema_generator/geophires-result.json

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@@ -20,7 +20,7 @@
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},
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"Total CAPEX": {
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"type": "number",
23-
"description": "The total capital expenditure (CAPEX) required to construct the plant. This value includes all direct and indirect costs, contingency, and any cost escalation from inflation during construction. It is used as the total installed cost input for SAM Economic Models.",
23+
"description": "The total capital expenditure (CAPEX) required to construct the plant. This value includes all direct and indirect costs, and contingency. For SAM Economic models, it also includes any cost escalation from inflation during construction. It is used as the total installed cost input for SAM Economic Models.",
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"units": "MUSD"
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},
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"Average Direct-Use Heat Production": {},
@@ -100,6 +100,11 @@
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"description": "The accrued inflation on total capital costs over the construction period, as defined by Inflation Rate During Construction. For SAM Economic Models, this is calculated automatically by compounding Inflation Rate over Construction Years if Inflation Rate During Construction is not provided.",
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"units": "%"
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},
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"Inflation costs during construction": {
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"type": "number",
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"description": "The calculated amount of cost escalation due to inflation over the construction period.",
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"units": "MUSD"
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},
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"Project lifetime": {},
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"Capacity factor": {},
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"Project NPV": {
@@ -432,7 +437,7 @@
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"Annualized capital costs": {},
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"Total CAPEX": {
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"type": "number",
435-
"description": "The total capital expenditure (CAPEX) required to construct the plant. This value includes all direct and indirect costs, contingency, and any cost escalation from inflation during construction. It is used as the total installed cost input for SAM Economic Models.",
440+
"description": "The total capital expenditure (CAPEX) required to construct the plant. This value includes all direct and indirect costs, and contingency. For SAM Economic models, it also includes any cost escalation from inflation during construction. It is used as the total installed cost input for SAM Economic Models.",
436441
"units": "MUSD"
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},
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"Drilling Cost": {},

‎tests/examples/Fervo_Norbeck_Latimer_2023.out

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@@ -4,10 +4,10 @@
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Simulation Metadata
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----------------------
7-
GEOPHIRES Version: 3.9.28
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Simulation Date: 2025-07-02
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Simulation Time: 12:19
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Calculation Time: 0.481 sec
7+
GEOPHIRES Version: 3.9.47
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Simulation Date: 2025-07-31
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Simulation Time: 08:57
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Calculation Time: 0.475 sec
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***SUMMARY OF RESULTS***
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@@ -24,7 +24,8 @@ Simulation Metadata
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***ECONOMIC PARAMETERS***
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Economic Model = BICYCLE
27-
Accrued financing during construction: 5.00 %
27+
Accrued financing during construction: 5.00 %
28+
Inflation costs during construction: 1.41 MUSD
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Project lifetime: 10 yr
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Capacity factor: 90.0 %
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Project NPV: -13.03 MUSD

‎tests/examples/Fervo_Project_Cape-2.out

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Simulation Metadata
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----------------------
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GEOPHIRES Version: 3.9.28
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Simulation Date: 2025-07-02
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Simulation Time: 12:19
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Calculation Time: 0.722 sec
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GEOPHIRES Version: 3.9.47
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Simulation Date: 2025-07-31
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Simulation Time: 08:57
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Calculation Time: 0.709 sec
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***SUMMARY OF RESULTS***
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@@ -24,7 +24,8 @@ Simulation Metadata
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***ECONOMIC PARAMETERS***
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Economic Model = BICYCLE
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Accrued financing during construction: 5.00 %
27+
Accrued financing during construction: 5.00 %
28+
Inflation costs during construction: 2.54 MUSD
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Project lifetime: 15 yr
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Capacity factor: 90.0 %
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Project NPV: 42.34 MUSD

‎tests/examples/Fervo_Project_Cape-3.out

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Simulation Metadata
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----------------------
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GEOPHIRES Version: 3.9.28
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Simulation Date: 2025-07-02
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Simulation Time: 12:19
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Calculation Time: 0.956 sec
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GEOPHIRES Version: 3.9.47
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Simulation Date: 2025-07-31
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Simulation Time: 08:57
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Calculation Time: 0.951 sec
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***SUMMARY OF RESULTS***
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@@ -24,7 +24,8 @@ Simulation Metadata
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***ECONOMIC PARAMETERS***
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Economic Model = BICYCLE
27-
Accrued financing during construction: 5.00 %
27+
Accrued financing during construction: 5.00 %
28+
Inflation costs during construction: 53.65 MUSD
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Project lifetime: 20 yr
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Capacity factor: 90.0 %
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Project NPV: 4580.36 MUSD

‎tests/examples/Fervo_Project_Cape.out

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@@ -4,10 +4,10 @@
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Simulation Metadata
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----------------------
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GEOPHIRES Version: 3.9.28
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Simulation Date: 2025-07-02
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Simulation Time: 12:19
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Calculation Time: 0.720 sec
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GEOPHIRES Version: 3.9.47
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Simulation Date: 2025-07-31
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Simulation Time: 08:57
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Calculation Time: 0.712 sec
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***SUMMARY OF RESULTS***
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@@ -24,7 +24,8 @@ Simulation Metadata
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***ECONOMIC PARAMETERS***
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Economic Model = BICYCLE
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Accrued financing during construction: 5.00 %
27+
Accrued financing during construction: 5.00 %
28+
Inflation costs during construction: 24.14 MUSD
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Project lifetime: 15 yr
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Capacity factor: 90.0 %
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Project NPV: 520.01 MUSD

‎tests/examples/example10_HP.out

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Simulation Metadata
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----------------------
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GEOPHIRES Version: 3.9.7
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Simulation Date: 2025-05-15
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Simulation Time: 10:13
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Calculation Time: 0.096 sec
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GEOPHIRES Version: 3.9.47
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Simulation Date: 2025-07-31
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Simulation Time: 08:57
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Calculation Time: 0.105 sec
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***SUMMARY OF RESULTS***
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@@ -26,7 +26,8 @@ Simulation Metadata
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2727
Economic Model = Standard Levelized Cost
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Interest Rate: 5.00 %
29-
Accrued financing during construction: 5.00 %
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Accrued financing during construction: 5.00 %
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Inflation costs during construction: 1.39 MUSD
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Project lifetime: 30 yr
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Capacity factor: 90.0 %
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Project NPV: 15.18 MUSD
@@ -64,7 +65,7 @@ Simulation Metadata
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m/A Drawdown Parameter: 0.00002 1/year
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Bottom-hole temperature: 109.50 degC
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Reservoir volume calculated with fracture separation and number of fractures as input
67-
Number of fractures: 12.00
68+
Number of fractures: 12
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Fracture separation: 80.00 meter
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Reservoir volume: 176000000 m**3
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Reservoir hydrostatic pressure: 20488.96 kPa

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