Reliable energy when you need it the most

Energy Storage

OnSite Energy’s advanced energy storage systems, also known as backup batteries, store excess solar energy for use whenever you need it. Designed for Montana homes and businesses, our batteries ensure reliable power during outages, peak energy demand, or at night. By seamlessly integrating with your solar system, these batteries maximize efficiency, lower energy costs, and give you greater control over your electricity - whether in Bozeman, Missoula, or surrounding communities.

Outages?

No problem! Stay protected during power outages with a backup battery that keeps essential appliances running. Ensure your appliances, medical devices, and lights stay on, giving you peace of mind when the grid goes down. Our locally installed systems are customized for Montana’s unique energy needs, ensuring Bozeman and Missoula residents can stay protected year-round.

Stay Powered

Power your home around the clock by charging your backup battery with solar energy during the day and tapping into that stored power at night or during peak usage hours, reducing your reliance on the grid and saving money on electricity costs. OnSite Energy's storage systems are designed for Montana conditions, providing reliable energy for both residential and commercial clients.

Energy Independence

Achieve energy independence by storing power and reducing your reliance on the grid, giving you greater control over your electricity. This allows you to manage energy costs more effectively, maintain power during outages, and maximize the benefits of your solar system year-round. Our systems help Montana homeowners and businesses acheive energy independence while maximixing cost savings and sustainability.

A house powered by solar
A home in the mountains

Storage FAQ's

Explore common questions about energy storage.

If I have solar from another installer, can I still get a battery from OnSite Energy?

Yes! OnSite Energy can add a solar battery to almost any existing solar system, even if it was installed by another company. Our team in Bozeman and Missoula evaluates your current setup, recommends the best battery solution, and handles installation so you can enjoy backup power, energy independence, and optimized solar performance.

How do I get started with energy storage?

Contact OnSite Energy for a free site assessment. Our team evaluates your property, recommends the right battery system, and handles the installation, ensuring your home or business enjoys reliable energy and maximum efficiency.

How much does an energy storage system cost?

Costs depend on system size, brand, and installation complexity. OnSite Energy provides free consultations in Bozeman, Missoula, and around Montana to design the right system for your energy needs and budget, ensuring reliable backup power and ROI.

Will my battery work in Montana’s cold winters?

Yes! Our energy storage systems are designed to perform reliably even in Montana’s harsh winter conditions. OnSite Energy installs batteries with proper insulation and temperature management, ensuring Bozeman and Missoula homes stay powered during snowstorms, outages, and freezing temperatures.

Can I add a battery to my existing solar system?

Absolutely. OnSite Energy can retrofit a battery to almost any existing solar installation, giving you the benefits of backup power and energy storage. We handle the design and installation so your system runs efficiently.

Why should I add a backup battery to my solar system?

A battery maximizes the value of your solar investment by storing excess energy, reducing reliance on the grid, and keeping your home or business powered during outages. Montana residents benefit from increased energy independence, cost savings, and peace of mind year-round.

What is a backup battery, and how does it work?

A backup battery stores excess energy produced by your solar panels so you can use it when you need it most - like when the grid goes down. OnSite Energy installs systems in Bozeman and Missoula that integrate seamlessly with solar panels to provide reliable power and energy independence.

Do you offer battery storage?

Yes! OnSite Energy designs and installs battery backup systems, or Energy Storage Systems (ESS), store energy for use during outages or at night.

Still have questions?

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