I've been reading a lot of threads over at TGP suggesting that the factor stompboxes use more current when MIDI is in use? I personally think that this is not a fact and would like to get clarification from someone at Eventide if this in fact is true. If it isn't, then I'm going to simply educate the next person that makes that claim (for lack of a worse word).
We have no knowledge or information that suggests this to be the case.
The bulk of the power the unit uses goes to the display and overall overhead – any tiny amount resulting from changes in dynamics of the system caused by increased MIDI activity would probably have little proportionate effect.