Document capital cost spread over construction years.

Author: softwareengineerprogrammer

src/geophires_x/SurfacePlant.py

@@ -410,7 +410,10 @@ def __init__(self, model: Model):
             AllowableRange=list(range(1, 15, 1)),
             UnitType=Units.NONE,
             ErrMessage="assume default number of years in construction (1)",
-            ToolTipText="Number of years spent in construction (assumes whole years, no fractions)"
+            ToolTipText='Number of years spent in construction (assumes whole years, no fractions). '
+                        'Capital costs are spread evenly over constructions years e.g. if total capital costs are '
+                        '$500M and there are 2 construction years, '
+                        'then $250M will be spent in both the first and second construction years.'
         )
         self.cp_fluid = self.ParameterDict[self.cp_fluid.Name] = floatParameter(
             "Working Fluid Heat Capacity",

src/geophires_x_schema_generator/geophires-request.json

@@ -1244,7 +1244,7 @@
       "maximum": 1.0
     },
     "Construction Years": {
-      "description": "Number of years spent in construction (assumes whole years, no fractions)",
+      "description": "Number of years spent in construction (assumes whole years, no fractions). Capital costs are spread evenly over constructions years e.g. if total capital costs are $500M and there are 2 construction years, then $250M will be spent in both the first and second construction years.",
       "type": "integer",
       "units": null,
       "category": "Surface Plant",