Include SAM doc URLs for Nominal Discount Rate & WACC

Author: softwareengineerprogrammer

src/geophires_x/EconomicsUtils.py

@@ -50,7 +50,8 @@ def nominal_discount_rate_parameter() -> OutputParameter:
     return OutputParameter(
             Name="Nominal Discount Rate",
             ToolTipText="Nominal Discount Rate is displayed for SAM Economic Models. "
-                        "It is calculated according to the following formula, defined in SAM Help documentation: "
+                        "It is calculated "
+                        "per https://samrepo.nrelcloud.org/help/fin_single_owner.html?q=nominal+discount+rate: "
                         "Nominal Discount Rate = [ ( 1 + Real Discount Rate ÷ 100 ) "
                         "× ( 1 + Inflation Rate ÷ 100 ) - 1 ] × 100.",
             UnitType=Units.PERCENT,
@@ -63,7 +64,7 @@ def wacc_output_parameter() -> OutputParameter:
     return OutputParameter(
         Name='WACC',
         ToolTipText='Weighted Average Cost of Capital displayed for SAM Economic Models. '
-                    'It is calculated according to the following formula, defined in SAM Help documentation: '
+                    'It is calculated per https://samrepo.nrelcloud.org/help/fin_commercial.html?q=wacc: '
                     'WACC = [ Nominal Discount Rate ÷ 100 × (1 - Debt Percent ÷ 100) '
                     '+ Debt Percent ÷ 100 × Loan Rate ÷ 100 ×  (1 - Effective Tax Rate ÷ 100 ) ] × 100; '
                     'Effective Tax Rate = [ Federal Tax Rate ÷ 100 × ( 1 - State Tax Rate ÷ 100 ) '

src/geophires_x_schema_generator/geophires-result.json

@@ -74,19 +74,19 @@
           "description": "",
           "units": "%"
         },
-        "WACC": {
-          "type": "number",
-          "description": "Weighted Average Cost of Capital displayed for SAM Economic Models. It is calculated according to the following formula, defined in SAM Help documentation: WACC = [ Nominal Discount Rate \u00f7 100 \u00d7 (1 - Debt Percent \u00f7 100) + Debt Percent \u00f7 100 \u00d7 Loan Rate \u00f7 100 \u00d7  (1 - Effective Tax Rate \u00f7 100 ) ] \u00d7 100; Effective Tax Rate = [ Federal Tax Rate \u00f7 100 \u00d7 ( 1 - State Tax Rate \u00f7 100 ) + State Tax Rate \u00f7 100 ] \u00d7 100; Nominal Discount Rate = [ ( 1 + Real Discount Rate \u00f7 100 ) \u00d7 ( 1 + Inflation Rate \u00f7 100 ) - 1 ] \u00d7 100. ",
-          "units": "%"
-        },
         "Real Discount Rate": {
           "type": "number",
           "description": "",
           "units": "%"
         },
         "Nominal Discount Rate": {
           "type": "number",
-          "description": "Nominal Discount Rate is displayed for SAM Economic Models. It is calculated according to the following formula, defined in SAM Help documentation: Nominal Discount Rate = [ ( 1 + Real Discount Rate \u00f7 100 ) \u00d7 ( 1 + Inflation Rate \u00f7 100 ) - 1 ] \u00d7 100.",
+          "description": "Nominal Discount Rate is displayed for SAM Economic Models. It is calculated per https://samrepo.nrelcloud.org/help/fin_single_owner.html?q=nominal+discount+rate: Nominal Discount Rate = [ ( 1 + Real Discount Rate \u00f7 100 ) \u00d7 ( 1 + Inflation Rate \u00f7 100 ) - 1 ] \u00d7 100.",
+          "units": "%"
+        },
+        "WACC": {
+          "type": "number",
+          "description": "Weighted Average Cost of Capital displayed for SAM Economic Models. It is calculated per https://samrepo.nrelcloud.org/help/fin_commercial.html?q=wacc: WACC = [ Nominal Discount Rate \u00f7 100 \u00d7 (1 - Debt Percent \u00f7 100) + Debt Percent \u00f7 100 \u00d7 Loan Rate \u00f7 100 \u00d7  (1 - Effective Tax Rate \u00f7 100 ) ] \u00d7 100; Effective Tax Rate = [ Federal Tax Rate \u00f7 100 \u00d7 ( 1 - State Tax Rate \u00f7 100 ) + State Tax Rate \u00f7 100 ] \u00d7 100; Nominal Discount Rate = [ ( 1 + Real Discount Rate \u00f7 100 ) \u00d7 ( 1 + Inflation Rate \u00f7 100 ) - 1 ] \u00d7 100. ",
           "units": "%"
         },
         "Accrued financing during construction": {},