In pulling all the end use data from the .html files associated with the Commercial Prototype Building Models (downloaded directly from website) I am finding that most of models' electricity end uses do not add up to the reported Total End Uses.
All locations for a particular use type and code cycle will be off by a similar amount (e.g. the reported end uses for ASHRAE90.1_ApartmentHighRise_STD2013 is 20.81 GJ less than the reported "Total End Uses" for all locations.) The delta varies by building type and code year.
It is never more the 1.2% of the total electricity energy use but this seem too high to be a rounding error. Gas is fine for all models.