
Tesla Powerwalls did most of the heavy lifting as California’s home batteries set a new grid record last week. On October 6, more than 85,000 Powerwall owners sent over 600 MW to the grid, the bulk of a combined 745 MW dispatch that Sunrun announced to…

Sunrun and Tesla pulled a record 580 megawatts of power from home batteries onto California’s grid during a heat wave on September 9, the largest residential distributed power plant event ever recorded.
The dispatch pooled more than 140,000 home bat…

Tesla is now renting out whole-home backup for about $35 a month in Texas. The catch: you lease two Powerwalls and sign up for Tesla Electric.
Tesla Energy announced the new “Powerwall Lease” today, bundling the battery hardware with its own retail ele…

Tesla has launched Tesla Home, a home energy management platform powered by an AI engine called Opticaster that it says makes “hundreds of decisions” a day about when to store and use electricity to lower your bill.
However, it’s not an entirely new pr…
![Hurricanes, heat domes, and holding up the grid with home batteries [update]](https://electrek.co/wp-content/uploads/sites/3/2025/06/power_lines.jpg?quality=82&strip=all&%23038;w=1600)
It’s been a year since this piece on home batteries becoming one of the most important tools we have for keeping the lights on during hurricanes, heat waves, and other extreme weather events was published. Since then, the case for VPPs has only gotten …

Sunrun, Tesla, and Renew Home announced an agreement today to aggregate more than 16 gigawatts of home batteries, thermostats, and other devices into what they say would be the largest distributed power plant in the country, aimed squarely at the surgi…

California senate bill 913 would allow utilities and grid operators to treat home backup batteries like real power plants, opening the door for programs that can pay homeowners to share excess energy capacity during peak demand.
more…