Quote:
Originally Posted by freebeard
Maybe if you live in your car. The solar roof, Powerwall and car form a subsystem.
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The battery is the single largest cost and the thing that sucks the most (only thing that sucks) on an EV. Increasing investment into the worst product when it can be avoided isn't wise.
The powerwall is an unnecessary expense for an EV owner because the grid becomes the powerwall, assuming a sufficiently large amount of other households participating.
Dedicated and stationary electricity storage makes as much sense as solar on a vehicle. One could do it, but it's not an efficient use of the resource.