IntelliTechs ยท Oct 07, 2026
If you own a Powerwall 3 and are ordering a new Model 3 or Model Y, your car can now keep the lights on for more than two days in a blackout.
Powershare turns the car's battery into backup power for your home. When the grid goes down, a car plugged into your wall charger feeds the house alongside a Powerwall 3 home battery.
The Model S and Model X are not included. The Powershare Gateway option, which is sold only for the Cybertruck, isn't available either, so no Powerwall means no home backup.
Electrek points out that Ford has sold the F-150 Lightning with vehicle-to-home power since 2022, at 9.6 kW, and that GM offers it across several models.
This part is our opinion, not Tesla's.
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