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Automotive

Tesla activates home backup power for Model 3 and Model Y vehicles

Electrek reports that the bidirectional feature requires a Powerwall 3 and applies reliably only to recent orders.

Updated Oct 8, 2026 · 16:58 UTC2 reports

The short version

  • Tesla enabled its Powershare Home Backup capability for Model 3 and Model Y electric vehicles.[Electrek]
  • The vehicle-to-home charging function requires a Powerwall 3 system to operate.[Electrek]
  • Tesla only guarantees the functionality for vehicles ordered on or after October 1.[Electrek]

Key facts

  • Tesla enabled Powershare Home Backup for its Model 3 and Model Y vehicles.[Electrek]
  • Using the home backup functionality requires an installed Powerwall 3.[Electrek]
  • The capability is only guaranteed on vehicles ordered since October 1.[Electrek]
  • Ford introduced home backup on the F-150 Lightning in 2022 providing 9.6 kW of output.[Electrek]

What remains uncertain

  • The status of bidirectional power support for Model 3 and Model Y vehicles ordered before October 1 remains uncertain.[Electrek]

Sources

Outlet counts describe coverage, not independent confirmation. Reports may share a wire service or original source.