I did some digging and it looks like all of their EV were used for the new pilot project. So the only way to get access to an EV via Communauto is to grab one in Le Plateau..
I might be wrong on this, and if I am, I'd love to know where the EV's are stationed.
Yes, I think you're right.
I logged onto to my membership and attempted to make a reservation for a LEAF way ahead of time in August (just to see what stations were offered as choices) and NO available LEAFs came up. I am actually in QC City, and a think the number of Communauto LEAFs here has gone down, so maybe even those were pulled for their Montreal pilot.
The system did offer the Ford Focus Electric at the Metro Cremazie, Complexe Desjardin and De Chateauguay and Ropery stations. I seem to recall another Focus available in the past somewhere downtown like Place Ville Marie.