Add-on Solar Battery Storage

Increase your energy independence with Sunnova +SunSafe
and enjoy the freedom to live life uninterrupted®.

  • Sunnova +SunSafe® add-on battery service increases energy resilience and ensures that, whether on or off the grid, day or night, during the calm or when nature is fiercest, you’ll have the freedom to live life uninterrupted®

    • Store your own power
    • Power when you need it most*
    • Innovative battery technology
    • Hassle-free operation*

    Talk to a Local Expert


  • Store your own power

  • Power when you need it most*

  • Innovative battery technology

  • Hassle-free operation


Beat the heat by adding a
battery to your solar

Stretch your solar power further this summer by adding a battery to your home solar system. From having solar power after sunset to avoiding power outages, summer is a great time to get a battery.

Don’t miss this cool deal! New Sunnova battery storage customers who install a Tesla Powerwall® can get a Visa® Reward Card worth up to $250*.

Add Tesla Powerwall

Power Your Home Day or Night

Store your own power
Increase your energy independence by storing excess home solar energy in your battery for later use.

Power when you need it most*
During a power outage, Sunnova SunSafe® provides resilient backup power so you can run your essential appliances. Unlike a solar-only system, Sunnova SunSafe® produces solar energy during the day and sends excess energy to the rechargeable battery for use at night, or anytime it’s needed.

Innovative battery technology
Your local solar experts will install an industry-leading, high-efficiency Tesla Powerwall or Enphase Energy System.

How Long Will Your Battery Last in An Outage?

  • We developed a smart tool for you to determine how long the battery will last during a power
    outage based on what you want to power in your home.*

Check Out The Tool

Tesla Certified Powerwall Installer

Sunnova Is One of Tesla's Largest Residential Powerwall Installers In The U.S.

  • Sunnova Protect

    25 years of protection*

    Enjoy peace of mind knowing your home solar system and battery are covered by Sunnova Protect™, featuring maintenance, monitoring, repairs, and replacements for 25 years.

    • Zero out-of pocket costs for repairs, replacements, and labor for ALL system components, even if outside the manufacturer’s limited warranty
    • Roof penetration warranty*
    • Energy guarantee*

  • 24/7 system & account monitoring

    Monitor your system’s performance at home or away using our online portal,, where you can access your production data and manage all aspects of your home solar system.

    • Performance monitoring
    • Access to production data
    • Easy account management

What People are Saying


  • “Professional, very organized and handled any unforeseen issues immediately for quick resolution. Installation crew, customer service and management were outstanding.”


  • “Very professional and go beyond their duties to make your transition to solar as easy as possible. Communications are awesome between their office and you. Highly recommend this company to anyone interested.”

    Kim P.

  • “No issues everything in the process went smoothly and it has made my bills less while also helping the environment. Win win situation”

    Ryan D.


  • 4.0

    577 reviews

  • 4.1

    2,420 reviews

  • 4.0

    178 reviews

Updated 5/16/2022

From Our Customers
Meet Kevin Doffing from Houston, TX

In 2021, following Winter Storm Uri, customer Kevin Doffing chose Sunnova SunSafe solar + battery storage service to keep his family safe against power outages and become more energy independent. Our local solar experts guided him through the entire process from initial questions and design to installation and turning the system on. Paperwork, permitting, inspections - all taken care of! Hear Kevin share his story about going solar with Sunnova.



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