Topic summary
Tesla Powerwall

The Tesla Powerwall is a rechargeablelithium-ion battery stationary home energy storage product manufactured by Tesla Energy. The Powerwall stores electricity for solar self-consumption, time of use load shifting, and backup power.
The Powerwall was introduced in 2015 as Powerwall 1 with limited production. A larger model—Powerwall 2—went into mass production in early 2017 at Tesla's Giga Nevada factory, with a more capable model with an internal DC–to–AC inverter—Powerwall 3—entering production in late 2023. The millionth Powerwall was installed in 2025.