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Fronius inverter + Renon battery pairing achieves CEC listing

By Kelly Pickerel | July 14, 2026

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Fronius and Renon have announced that their inverter and battery pairing has been listed by the California Energy Commission as a paired residential storage solution.

The Fronius GEN24 Plus solar inverters (3.8 to 10 kW) and the Renon Xtreme HV 1.0 battery energy systems (9.6, 14.4 and 19.2 kWh) can now easily be installed by California installers with simplified permitting and interconnection.

“Fronius is excited to expand our partnership with Renon through a CEC-listed pairing that supports installers and homeowners looking for a dependable solution,” said Chris Connell, Head of Solutions for Fronius USA. “Together, we’re giving customers a practical pathway to high-performance residential energy storage.”

The Renon Xtreme HV 1.0 was developed to deliver high-voltage residential storage in a compact, modular format. Its operating range of 192–384 V helps reduce transmission losses, while its stackable architecture supports two to four battery modules and is designed to improve system flexibility through dynamic current equalization. Built-in smart management, Wi-Fi connectivity, an EMS and a battery optimizer rated for up to 8,000 cycles makes it a strong fit for homeowners seeking long-term energy storage performance.

When a Renon Xtreme HV 1.0 is paired with the Fronius GEN24 Plus, the system supports a closed-loop DC-coupled architecture that helps deliver efficient energy flow and dependable backup-ready performance. While the inverter and battery manage the energy, the Fronius EBLU device acts as an intelligent bridge to automatically transfer to backup power should a grid outage or weather-related event where there’s a loss in power would occur. Renon Smart and Renon Cloud add monitoring and management tools that allow users to track system performance and energy production or consumption in real time.

“California installers need options that are both technically sound and easy to specify, and this CEC listing ensures a seamless permitting process for installers,” said Renon USA Owner & CEO, Paul Buckwalter. “The GEN24 Plus and Xtreme HV 1.0 pairing gives the California market a high-voltage storage solution that is efficient, flexible, and ready for residential deployment.”

News item from Renon and Fronius

About The Author

Kelly Pickerel

Kelly Pickerel has more than 15 years of experience reporting on the U.S. solar industry and is currently editor in chief of Solar Power World. Email Kelly.

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