Question-and-Answer Resource for the Building Energy Modeling Community
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@antonszilasi, I believe the "ComponentCost:LineItem" object in E+ would do the trick for you and if you add the economics output report you would be able to access your cost data in outputs. Technically you should be OK using this for your single line cost data to be accessed in the outputs but say you want to perform some sort of math to post-process an output variable, then you can use EPMacro capabilities to do your calculations within the .imf file and it can be stored in this cost object as a dummy placeholder that then you can access after E+ is run.
See example below where I am trying to pass on my total area parametrically in conjunction with jEplus+EA engine. Then I am using the variables passed on from jEplus to calculate the areas of individual zones from dimensions. I store the areas for each zone in one of the lineItem objects and read them later from .csv file to pass back to jEPlus for further calculations.
Check jEplus+EA documentation and examples too btw, they have great examples on the use of EPMacro.
Output:Table:SummaryReports, ComponentCostEconomicsSummary; !- Report 1 Name
