Tesla Expands Powershare Home Backup to Model 3 and Model Y Vehicles

Tesla has expanded its Powershare Home Backup feature to Model 3 and Model Y vehicles, allowing cars to power homes for days during blackouts when paired with a Powerwall 3.

Geektime•Author: Idan Ben Tovim
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Tesla Expands Powershare Home Backup to Model 3 and Model Y Vehicles
Photo: Geektime / צילום: גיקטיים

Tesla Energy has announced a major expansion of its vehicle capabilities, allowing the bestselling Tesla Model 3 and Tesla Model Y to provide emergency backup power to homes during blackouts.

Expanding Vehicle-to-Home Power Solutions

Previously limited primarily to the Cybertruck and specific V2L camping adapters, Tesla's Powershare technology is now graduating to full home integration. With the new Powershare Home Backup feature, owners of eligible Model 3 and Model Y vehicles can use their car batteries to power their entire household automatically when grid power fails.

According to Tesla, the vehicle battery can supply energy for over two days of normal home use. The system integrates directly with the Powerwall 3 home battery system. When a blackout occurs, power seamlessly transfers from the vehicle to the household electrical grid, providing extended energy independence, particularly when paired with solar panels.

Limitations and Regional Availability

Despite the technological milestone, several restrictions will prevent the feature from being utilized globally right now:

  • Hardware Requirements: The system requires a Powerwall 3 home battery and a compatible Tesla Wall Connector.

  • Geographic Restrictions: Tesla states the feature is currently rolling out exclusively for vehicles ordered after October 1 in the United States and Puerto Rico.

  • Israel Availability: Because the Powerwall 3 is not currently sold by Tesla in Israel, and due to regional vehicle specifications, local owners will not be able to utilize Powershare Home Backup at this time.

Industry competitors have explored similar bidirectional charging solutions, including Ford with the F-150 Lightning and General Motors, while Israeli energy tech company SolarEdge previously demonstrated a conceptual bidirectional charging platform.

"Extend your home backup by over 2 days with your vehicle," Tesla announced in an official update regarding the rollout.

While local users miss out on this specific rollout, the advancement highlights the growing convergence of electric vehicles and residential smart grids.

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