Thanks for the tips everyone! Definitely going to get water/coffee/breakfast stuff for the crew.
System info: 8.8 kW (22 x 400W 'Tesla' panels -- probably just contract manufactured QCell G10+) & two Powerwalls (not PW+). Directed them to install PW inside of garage (and ideally inverter too, not sure how much flexibility I have there). Gateway will obviously be near the service line. Kinda sad though, if I had just one or two fewer breakers, the GW could've actually replaced my main panel (my main panel only has a few slots being used since subpanels elsewhere do the actual heavy lifting).
Current price is $38k, up from about $35k both due to increase from 8.5 kW to 8.8 kW and a $1700 conduit run charge (so I really do expect them to go the extra mile for conduit runs being nice). Locked in at $2.01/watt & the 5 year/0.99% APY/0 down loan.
Both locations have ethernet wired and ready -- garage & outside service main panel location!
Tesla actually just updated my project with the 400W panels. Taking this as an opportunity to potentially get them to increase system size at the last minute (currently 8.8 kW, up from 8.5 kW -- hoping to squeeze 3 more panels in for 10 kW).
Only problem is that they may not want to install that close to the change in roof line (not sure of the right term). Perhaps I can sway the install crew? I would also LOVE to move those three panels on the east side of the roof to the front porch roof (west facing) but I imagine I'll get pushback because of structural engineering concerns.
Current size/layout
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Desired size/layout
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