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Tesla’s Powershare home backup now works with Model 3 and Model Y.
Tesla turned on Powershare home backup for the Model 3 and Model Y on October 6, giving most owners a path to vehicle-to-home power for the first time, with real limits on eligibility and hardware.
Tesla’s Cybertruck can now back up your house together with a Powerwall 3.
A software update lets Cybertruck’s Powershare work alongside a Powerwall 3 instead of forcing owners to pick one backup system or the other.
Tesla now lets Powerwall 2 owners add a Powerwall 3 for more backup power.
Tesla has enabled Powerwall 3 backward compatibility in North America, so existing Powerwall 2 owners can expand their system instead of buying another Powerwall 2.
Tesla and Sunrun’s home batteries sent a record 580 MW to California’s grid during a heat wave.
On September 9, 2026, more than 140,000 home batteries — most of them Tesla Powerwalls — sent a record 580 megawatts to California’s grid during a heat wave, and owners were paid for it.
Tesla’s Cybertruck Powershare can now back up your home alongside a Powerwall 3.
Cybertruck owners no longer have to choose between Powershare and a Powerwall 3 for home backup power — Tesla says the two can now run together.
Tesla files plans for a $10.1 billion solar factory in Texas.
Tesla has filed state paperwork for a $10.1 billion vertically integrated solar cell plant in Fort Bend County, Texas, called Project Crystal Sun.
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