Regional Import Fraction

See also: Has Regional Imports, In-Area Import Fraction, In-Area Export Fraction

This variable specifies the percentage fraction of requirements for an Output fuel of a module that is imported from each other region within the Area.  It is only visible when editing multi regional data sets  and when the Has Regional Imports variable is set to Yes . In addition, this variable is only visible when you enable Allow Trade Among Regions: an option on the Calculation tab of the Settings screen.

Regional Import Fractions are specified as the percentage of requirements for each output fuel in a region met by imports from each other region in the area.  Each value must be in the range 0-100% and values must sum to less than or equal to 100% across all regions.

There are two basic methods of specifying trade among the regions in a LEAP area.