[RatchetWerks]

Everyone brought up really good points. My general logic is that the average American consumer gets a new car every 10 years just due to maintenance/service burden. You might as well get a "free" genset/powerwall upgrade with it anyways. The car should be viewed as an energy source that happens to move.

For me the powerwall only provides value when restoring/storing power, not for peak shaving. My logic is that eventually once all the legalities/orchestration is figured out. The net value on peak shaving will trend to zero.

Drive to work, plug into grid. You pay the grid for cheap "sun" power at work. While at work, your solar panels at home generate revenue by charging near by EV's via grid (or your second EV). Drive back home. Plug into house and supply the grid with power at night time.

PHEV's are an added bonus, since you can use it as a genset during extended power outage. If you want to go 100% "off the grid", then have 2 EV's that you cycle though. One that acts as storage/energy backup, other as a vehicle.