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Move capex ITC subtraction note from total installed costs to ITC row
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docs/SAM-Economic-Models.md

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@@ -20,7 +20,7 @@ The following table describes how GEOPHIRES parameters are transformed into SAM
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| `Maximum Total Electricity Generation` | Generation Profile | `Nameplate capacity` | `Singleowner` | `system_capacity` | .. N/A |
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| `Utilization Factor` | Generation Profile | `Nominal capacity factor` | `Singleowner` | `user_capacity_factor` | .. N/A |
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| `Net Electricity Generation` | AC Degradation | `Annual AC degradation rate` schedule | `Utilityrate5` | `degradation` | Percentage difference of each year's `Net Electricity Generation` from `Maximum Total Electricity Generation` is input as SAM as the degradation rate schedule in order to match SAM's generation profile to GEOPHIRES |
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| `Total CAPEX` × (1 + `Inflation Rate During Construction`) ^ `Construction Years` | Installation Costs | `Total Installed Cost` | `Singleowner` | `total_installed_cost` | Note that unlike the BICYCLE Economic Model's `Total capital costs`, SAM Economic Model's `Total CAPEX` is the total installed cost and does not subtract ITC value (if present). |
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| {`Total CAPEX` before inflation} × (1 + `Inflation Rate During Construction`) ^ `Construction Years` | Installation Costs | `Total Installed Cost` | `Singleowner` | `total_installed_cost` | |
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| `Total O&M Cost`, `Inflation Rate` | Operating Costs | `Fixed operating cost`, `Escalation rate` set to `Inflation Rate` × -1 | `Singleowner` | `om_fixed`, `om_fixed_escal` | .. N/A |
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| `Plant Lifetime` | Financial Parameters → Analysis Parameters | `Analysis period` | `CustomGeneration`, `Singleowner` | `CustomGeneration.analysis_period`, `Singleowner.term_tenor` | .. N/A |
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| `Inflation Rate` | Financial Parameters → Analysis Parameters | `Inflation rate` | `Utilityrate5` | `inflation_rate` | .. N/A |
@@ -30,7 +30,7 @@ The following table describes how GEOPHIRES parameters are transformed into SAM
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| `Fraction of Investment in Bonds` | Financial Parameters → Project Term Debt | `Debt percent` | `Singleowner` | `debt_percent` | .. N/A |
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| `Inflated Bond Interest Rate` | Financial Parameters → Project Term Debt | `Annual interest rate` | `Singleowner` | `term_int_rate` | .. N/A |
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| `Starting Electricity Sale Price`, `Ending Electricity Sale Price`, `Electricity Escalation Rate Per Year`, `Electricity Escalation Start Year` | Revenue | `PPA price` | `Singleowner` | `ppa_price_input` | GEOPHIRES's pricing model is used to create a PPA price schedule that is passed to SAM. |
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| `Investment Tax Credit Rate` | Incentives → Investment Tax Credit (ITC) | `Federal``Percentage (%)` | `Singleowner` | `itc_fed_percent` | .. N/A |
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| `Investment Tax Credit Rate` | Incentives → Investment Tax Credit (ITC) | `Federal``Percentage (%)` | `Singleowner` | `itc_fed_percent` | Note that unlike the BICYCLE Economic Model's `Total capital costs`, SAM Economic Model's `Total CAPEX` is the total installed cost and does not subtract ITC value (if present). |
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| `Production Tax Credit Electricity` | Incentives → Production Tax Credit (PTC) | `Federal``Amount ($/kWh)` | `Singleowner` | `ptc_fed_amount` | .. N/A |
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| `Production Tax Credit Duration` | Incentives → Production Tax Credit (PTC) | `Federal``Term (years)` | `Singleowner` | `ptc_fed_term` | .. N/A |
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| `Production Tax Credit Inflation Adjusted`, `Inflation Rate` | Incentives → Production Tax Credit (PTC) | `Federal``Escalation (%/yr)` | `Singleowner` | `ptc_fed_escal` | If `Production Tax Credit Inflation Adjusted` = True, GEOPHIRES set's SAM's PTC escalation rate to the inflation rate. SAM applies the escalation rate to years 2 and later of the project cash flow. Note that this produces escalation rates that are similar to inflation-adjusted equivalents, but not exactly equal. |

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