Thanks for the link kcarmich; it actually predicts I'll use 101kWh and I've predicted 113-119kWh, dependant on final route selection. Good to know I seem to be conservative. It seems pretty close with elevations too, though I think it lowballed the pass from Osoyoos to Rock Creek - Google Earth shows it at 1500m. I'm planning to keep a fairly detailed log during the journey, so it will be interesting to see how it all matches up (or doesn't!)
Edit: Galiano, I found that forum a few weeks ago, but it doesn't seem very active. I don't want to open another forum account, but if you are on there, feel free to cross-post back to this one.
Also, I was speaking with the AdvantageHope (tourism/chamber of commerce?) today and it seems that they don't know anything about a BC Hydro Level 3 charger; however, apparently Tesla has been out there and might have a station up by the fall. Shame they don't include CHAdeMO on their chargers, I'd happily pay for a quick charge if they had the option and they located the charger somewhere that we don't already have a Level3 charger.
2014 SL, 166,000km as of Sep 2018, 80% SOH
1 bar lost Aug 31/17 @ 54.5Ahr 83%SOH 79.72%Hx 127,413km
Commuting 142km round-trip; level 2 at home, level 1 at work