@Lovesword,
PLEASE, don't build your home charging infrastructure with the assumption that your wife will charge her Model S at a local Supercharger or Service Center (whichever "SC" you meant). If you can afford to buy 2 Teslas, you can manage to pay for proper home charging. Pushing your wife's charging out to a Supercharger just reduces the utility of that resource for others who might actually NEED to use it. It's just rude and selfish.
I am in a very similar situation. My partner has an S with unlimited Supercharger use (which we currently charge from a 14-50, using the mobile connector) and I will be getting a 3. Our choices are:
- Get 2 HPWCs, install them on the same circuit, and let them do load sharing.
- Upgrade the service in our detached garage to 200 amps (for some reason, it has its own service, separate from the house) and run separate circuits for 14-50s.
- Go whole hog and do the service upgrade for separate circuits and get 2 HPWCs.
Pushing her car out to the Superchargers is not even on the list.
Good feedback, and not something I'd considered before. We definitely don't want to be "that guy."
Without trying to sound defensive, I do want to explain my train of thought on why I had this in mind. The local Super Charger is in a grocery store parking lot. Typically we go there a few times a week for things (parking elsewhere of course, though we do go drive by the Telsa vehicles if there's any!) and I just assumed we'd park at a stall and charge while getting groceries on one of those trips (likely once per week would be more than enough, maybe even every other week). Currently at its busiest I've only seen 2 of the 8 stalls in use (but Model 3 is coming, and Model Y looms, so...), and the Tesla dealership we go to said it's already planned to be expanded to 16 soon.
Now that I've defended myself (without hopefully coming across as SUPER defensive), I can definitely see what you are saying and it's something I hadn't thought about previously. In all honesty, I've already spoken with my wife about just sharing one plug after getting the first estimate and posting here. Neither of us drive so much that we'd each need a dedicated plug in. We could easily share.
So, option #0 is looking like our go to move, though we don't have it set up that way just yet. I'm still waiting to hear back from the second electrician, which is also why I haven't been back to this thread yet...sadly, I have no update to give!
@MorrisonHiker thank you as well for your feedback. That's quite the range in estimates you received! I definitely want to make sure and do my due diligence and get a few more estimates myself. I received the contact information for another electrician from a friend who holds him in very high regard. I'll be giving him a call soon.
Thank you all, as always, for constructive feedback and helpful, polite critique.