Get Backup Power

Take advantage of the best deal on the market for backup power.

Whole home battery storage - $0 for 6 months*

- AND -

You could qualify for state rebates that equal $2,100-$13,500 in rebates!

Utility companies can be unreliable. Tesla Powerwalls keep the lights on even when the utility company won’t.

You could be eligible for huge rebates and incentives, equaling thousands in savings. Keep cool, keep working, and keep watching - with reliable backup power courtesy of a battery pack or home generator. Store power generated from your solar panels for later use.

*A rebate of $360 covers monthly costs for 6 months. After that, monthly payments as low as $59!
Register below to get yours before supplies run out!

To help you, we need your approval to contact you. By clicking “get a free quote” above, you agree that Sunternal may call & text you about Sunternal Solar products at the phone number you entered above, using pre-recorded messages or an autodialer, even if your number is on a "Do Not Call" list. Msg & data rates may apply to text messages. Consent for calls & texts is optional. You can opt-out anytime.

Or Call 844-243-2179

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POWERWALL

Powerwall is a rechargeable home battery system that lets you store solar energy generated during the day and use it at night, which allows you to self-power your home and reduce your reliance on the utility grid. Powerwall also protects your home from a power outage with seamless and reliable backup power. Through the Tesla mobile app, you will have full visibility and control over your self-powered home.

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Tesla Powerwalls come with a 10-year warranty

Tesla Powerwalls come with a 10-year warranty

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Trane generator
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For longer outages, or where demands call for it, we also offer Trane and Generac power generators. Whole-home generators are easy to use and seamlessly back up your whole home in the event of a power outage. When utility power is restored the transfer switch automatically transfers back to utility power, shutting down and instantly resetting itself for the next power interruption - with no action required by you.

Secure your home from a power outage with reliable backup power. Powerwall is able to detect a grid outage, disconnect from the grid and bring power back to your home in a fraction of a second. That’s fast enough to keep your appliances running without interruption. You won’t even have to reset your clocks or your alarm.

What our customers say

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Our goal is to provide backup power to your entire home. However, depending on the type of appliances at your home, we may recommend an essential load backup instead of a whole home backup.

Your entire home is backed up by our recommended number of Powerwalls. In some cases, an upgrade to your electrical panel may be needed and we will advise you if this is the case. You can add more Powerwalls to keep your house operational longer dur…

Your entire home is backed up by our recommended number of Powerwalls. In some cases, an upgrade to your electrical panel may be needed and we will advise you if this is the case. You can add more Powerwalls to keep your house operational longer during an outage.

If your electrical situation doesn’t allow for a whole home backup, we can backup select essential loads. Since lights and outlets require less energy, a single Powerwall will typically be sufficient and a secondary electrical panel is usually requi…

If your electrical situation doesn’t allow for a whole home backup, we can backup select essential loads. Since lights and outlets require less energy, a single Powerwall will typically be sufficient and a secondary electrical panel is usually required and provided by Nexus at no additional charge!