Our Vision
To empower individuals, families, and businesses with clean, reliable energy storage solutions that create a more resilient and sustainable world.
Our Mission
To deliver safe, high-performance solar battery systems that reduce energy costs, protect against power outages, and accelerate the transition to renewable energy—backed by industry-leading support and long-term reliability.
About Us
Reliable Solar Energy Storage for a Stronger Future.
From everyday home energy savings to large-scale commercial and industrial resilience, Fortress Power provides the advanced energy storage systems needed to build smarter, more reliable power infrastructure. Our solutions deliver clean energy, dependable backup, and long-term performance—empowering customers of every size to take control of their energy future.
500+
Installer Partners
100+
Distributor Partners
50,000+
Projects Worldwide
Why Choose a Solar Energy Storage System?
Lower Energy Costs With Solar + Storage
A modern energy storage system lets you store excess solar energy during the day and use it when utility rates are highest, dramatically reducing monthly electricity bills and boosting the value of your solar investment.
Sustainable, Clean Energy for Your Home or Business
Storing and using your own solar power reduces your reliance on fossil fuels, cuts carbon emissions, and accelerates your path toward a clean, renewable energy lifestyle.
Reliable Backup Power for Outages
A home battery backup system keeps your lights on, appliances running, and critical circuits powered during blackouts—providing seamless protection from storms, grid failures, and increasingly unstable utility infrastructure.
Energy Independence On or Off the Grid
Whether you’re looking for true off-grid capability or simply greater day-to-day control over your home’s power, an energy storage system gives you long-term energy resilience, freedom, and peace of mind.
Resources for Every Step of Your Energy Journey
Whether you’re installing a new Fortress Power system or exploring clean energy solutions for your home, our resource center gives you quick access to the tools, guides, and support you need.
Installers
Stay up to date with live and on-demand technical training sessions designed to help installers master Fortress Power systems.
Access detailed installation guides, data sheets, wiring diagrams, and technical documents for every Fortress Power product.
Need assistance? Submit a support ticket and our engineering team will help you diagnose, troubleshoot, or configure your system.
Read expert articles on system design, product updates, best practices, and industry trends to stay ahead in the solar + storage market.
System Owners
Explore preconfigured solutions that show exactly what different battery and inverter packages can power in your home.
Learn about our industry-leading warranty and extended coverage options—designed to protect your investment for decades.
Use our interactive tool to estimate your energy needs, size your system, and discover the right Fortress Power solution for your home.
Locate authorized Fortress Power installers and dealer partners near you for professional system design, purchase guidance, and expert installation.
Newest Products
eBoost Scalable Energy Storage System
The eBoost is a 16kWh stackable LFP battery designed for seamless integration with the Fortress Power Envy Duo 21 inverter — delivering reliable, scalable backup and off-grid energy.
eSpire Nano Commercial Energy Storage System
The Fortress Power eSpire Nano is a turnkey outdoor battery energy storage system (BESS) engineered for commercial and industrial projects that demand reliability, flexibility, and fast deployment.
Solo 6.5K Non-Export Inverter
The Fortress Power Solo 6.5K is a powerful and flexible 6.5kW split/single-phase hybrid inverter designed for off-grid living, backup power, and grid-tied solar systems.
Now Available to Download
Two Apps. One Powerful Energy Ecosystem.
The Fortress Power Owner and Pro apps give homeowners and installers the right tools to monitor, manage, and support Fortress Power systems, anytime, anywhere.
* Available for download on the App Store and Google Play Store as of April 6, 2026.
Don’t just take our word for it
Our reputation speaks for itself. Hear from our certified Fortress Power installers, industry distribution partners and satisfied homeowners and businesses.
Contact Us
Have a question about our systems and products? Select the correct contact form and connect with a Fortress Power representative!
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