In a bold move that solidifies its standing as an industry leader, Fortress Power has entered the high-voltage energy storage residential market with the groundbreaking Avalon System. The company celebrated this significant achievement with the successful installation of the inaugural Avalon High Voltage Energy Storage System on December 21st, signaling its dedication to spearheading versatile and sustainable energy solutions for both installers and homeowners.
The meticulously designed Avalon HV ESS caters to the evolving needs of modern residences, offering an unparalleled blend of efficiency, reliability, and user-friendliness that sets a new benchmark in the residential energy storage sector. One standout feature is the introduction of the Smart Energy Panel, which distinguishes the system with load-shedding capabilities and reduced auxiliary components. Additionally, the accompanying monitoring app caters to the growing market of smart home enthusiasts. With these innovations, the Avalon is poised to revolutionize energy storage installations, raising the bar for high-voltage systems.
Jing Yu, CEO and Founder of Fortress Power, remarked on the company’s foray into the high-voltage residential market, stating, “Fortress Power’s entry into the high-voltage residential market with the Avalon HV ESS is a testament to our ongoing commitment to innovation and sustainability. The successful installation of our first residential system marks a significant step forward in our mission to empower homeowners with reliable, cost-effective, and eco-friendly energy solutions.”
Key features of the Avalon HV ESS include a Smart Energy Panel, customizable battery stack, and inverter, offering several benefits:
- High-Voltage Efficiency: Operating at 200~300V at the DC terminal closely matching PV array voltage, the Avalon System reduces the need for DC to DC conversion, enhancing overall operational efficiency by approximately 6-8%.
- Simplified Installation: Integrated smart load panel, pre-installed AC coupling circuit, 200A pass-through, and straightforward EV charger installation reduce the need for additional components, streamlining the setup process for homeowners and installers.
- Advanced Load Management: The Smart Energy Panel intelligently manages up to twelve different 120V circuits, six 240V circuits, or any combination, providing flexible whole-home backup without a dedicated emergency power panel.
- All-in-One App Integration: The Fortress Power Keystone EMS app offers comprehensive monitoring of all energy flows, simplifying maintenance and energy management for installers and homeowners.
- Versatile Applications: The system accommodates various scenarios, inside and outside, for large and small projects, easily scaling from 14.4KWh to 176KWH. It supports DC or AC coupling, EV charging, generators, and more, making it suitable for any residential project.
The first residential installation of the Avalon System took place on December 21st in the Greater Philadelphia Area. Installers praised the system’s simplicity and the ease of commissioning, which took less than five minutes. This real-world installation, overseen by Fortress Power employees, not only provided support but also commemorated the milestone moment. Homeowners are already reaping the benefits of a more resilient, efficient, and intelligent energy management system.
Will Gathright, CIO, highlighted the redesigned commissioning process, stating, “We’ve redesigned every step it takes to commission this equipment. My goal was for anyone to be able to confidently commission an Avalon system regardless of how much experience you’ve had with energy storage in the past.”
Moreover, for homeowners, the Avalon System can be a source of revenue through the EnergyBroker program, enabling them to sell energy into wholesale markets or use excess energy. This not only shortens the payback period but also contributes to a more resilient and efficient power grid.






