As part of the Installation Data Grid histogram display, all positive values of grid usage are displayed. However no indication is shown of grid export, It would be of great value (at lest to me) if it were possible to show export values (kWh per hour) as a negative bar to the grid histogram. At this time the VRM portal does not seem to either totalise or report energy export so I have to rely on my Fronius files to report this value to include in my system analysis.