Introducing Symm 261 by Brunstock. 125 kW. 261 kWh. Liquid-cooled modular BESS.
Designed for commercial and industrial applications, Symm 261 scales from a single 261 kWh module to 2.61 MWh, and beyond, giving you the flexibility to match storage to load and expand as your site’s needs grow.
Symm 261 is a commercial and industrial (C&I) BESS that scales with you. Start with a single 261 kWh module. Add up to 10. That’s 1.25 MW and 2.61 MWh from the same modular platform—no new hardware ecosystem, no redesign. Built by Brunstock for commercial and industrial sites where energy demands grow.
Symm 261 from Brunstock isn’t just storage—it’s how commercial and industrial businesses take control of their energy. Peak demand charges eating into margins? Symm 261 shaves them. Renewables on site with nowhere to send excess generation? Symm 261 captures it. Resilience a non-negotiable? 261 kWh of liquid-cooled, LFP storage per module keeps critical operations running.
Energy independence, lower operating costs and a platform that integrates with the way your site already works.
Available now in Africa, Australia, Europe and the Middle East.
