Solar can generate electricity during the day, but the system switches off when the grid is down.
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Tesla

Solar can generate electricity during the day, but the system switches off when the grid is down. With Powerwall home battery, you can back up your solar system, so it continues to produce energy whenever the sun is available. Any excess solar energy can be stored in Powerwall for use at night or during outages.

In addition, Powerwall can help you optimize savings based on your electricity rate plan, net metering and available energy buyback programs. Order yours by June 30, 2026, to receive a rebate of up to $1,000.* 

Schedule a call with a Tesla Advisor to learn more. 
*To be eligible, Powerwall must be (1) Ordered and the rebate application submitted through the rebate portal, between November 1, 2025 and June 30, 2026 and (2) Installed and registered between January 1, 2026 and December 31, 2026. Return to the rebate portal after Powerwall installation before December 31, 2026 to complete the rebate submission, which confirms your installation in our system. Terms and conditions apply. Learn more.