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Sounds far fetched IMO that liability would be the stopper. Much more of a liability to sell drivable cars that can collide and injure people.Unlikely that Tesla will offer due to liability of a backfeed without proper install (like what powerwall would have). Also the battery chemistry of a powerwall is intended for daily home use discharge while the chemistry in the vehicle is not.
Others have used inverters hooked up to tesla 12v to power items during recent storms but it’s not necessarily what you are looking for.
I think the liability issue could be easily overcome with a hardware lockout in the electrical panel where power enters the home from the grid... similar to a generator hookup.
This topic has been discussed on multiple threads ad nauseam almost since the inception of TMC.
That you can take your Tesla to a Supercharger, load up with free kilowatt-hours, and bring 'em back to your home just about guarantees that Tesla never will accede to the concept here.
Tesla is, however, more than happy to sell any number of made-to-that-purpose Powerwalls.
.....
There then follows a wider discussion about acceptability. Backup power in emergency is obviously a highly desirably use case.
But people will inevitably abuse this.......
Sounds far fetched IMO that liability would be the stopper. Much more of a liability to sell drivable cars that can collide and injure people.
If you really want to be safe from liability could have a software that doesn't allow car to back feed until installation is signed off by Tesla.
Agree its probably not good to daily cycle the current MS/X battery but as emergency back up would be nice! But for now Tesla probably has much bigger fish to fry.
Simple solution to the Supercharger issue: The Tesla should be smart enough to know that the power onboard came FROM a Supercharger, and will disable the feature for THAT power stored onboard.