First UL 3700-compliant plug-in solar microinverter launches in the US
Small-scale solar solutions for renters gain momentum with new safety standards.
1Innovative Energy Solution
Hoymiles' HiFlow Pro microinverter enables solar power usage through standard household outlets. This technology offers an alternative to large-scale solar installations, especially for renters. Several US states have already passed laws supporting this plug-in solar approach.
2UL 3700 Standard
Implemented in December 2025, UL 3700 is North America's first safety standard for 'balcony solar' systems. It addresses safety concerns in small-scale photovoltaic setups, including features to prevent power backfeed during outages that could endanger utility workers.
3Safety First Approach
Microinverters risk backfeeding power into grids during outages, creating hazards. UL 3700 introduces safeguards against accidental overloads and other electrical risks. These standards ensure safer solar energy adoption for residential users.
4Renter-Friendly Solar
Traditional solar panels aren't practical for rental properties. Products like HiFlow Pro work through standard outlets, solving this accessibility challenge. Federal standardization expands adoption potential among apartment dwellers and renters.
5Energy Independence
While plug-in solar can't fully power homes, it reduces grid dependence. The technology offers apartment residents a practical way to lower energy costs and environmental impact without permanent installations.
6Energy Democratization
Hoymiles' innovation contributes to renewable energy accessibility. UL 3700-compliant products make solar power more inclusive. This trend could gain global traction in coming years as urban energy needs evolve.