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California home batteries set a new 745 MW record, with Tesla Powerwalls supplying most of it
Sunrun reports home batteries sent 745 MW to California's grid on October 6. Electrek reports Powerwalls supplied most of it.
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 launches a $35-a-month Powerwall lease for Texas homeowners
Tesla now leases two Powerwall units in Texas for an effective $35 a month when bundled with its Tesla Electric plan, according to Tesla’s own support page and reporting on the program’s pricing.
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