en.Wedoany.com Reported - Enphase Energy has begun distributing the IQ9S-3P commercial microinverter based on gallium nitride (GaN) technology in the United States, which is currently the most powerful commercial inverter available in the U.S. market from the company.
Enphase Energy, headquartered in Fremont, California, is a global leader in energy technology, covering microinverter-based solar and battery systems, electric vehicle chargers, home energy management systems, and virtual power plant (VPP) solutions. To date, the company has shipped approximately 87.8 million microinverters and deployed over 5.2 million Enphase systems in more than 165 countries and regions.
The newly launched IQ9S-3P microinverter utilizes gallium nitride (GaN) technology, delivering a continuous output power of up to 548 VA and compatible with next-generation high-power solar panels rated up to 770 watts. Unlike centralized string inverters, this microinverter converts direct current (DC) to alternating current (AC) and features the ability to directly connect to a three-phase 480Y/277 V (wye) grid configuration without the need for an external transformer, reducing project planning and installation complexity. Enphase states that the IQ9S-3P is a continuation and upgrade of its previously introduced IQ9N-3P commercial microinverter, which also incorporated GaN technology.
Safe harbor orders for this product are now open and will close on July 4, 2026, a timeline designed to help customers manage the upcoming federal tax credit deadline.
Industry observers note that gallium nitride is gradually replacing traditional silicon components due to its ability to operate at higher switching speeds and temperatures. Commercial inverters have historically drawn attention for their higher failure rates, and Enphase's new product is seen as a significant alternative to existing solutions. Paul Zimmer Sr., founder and owner of Detail Solar LLC, has noted this milestone for Enphase and analyzed the differences between the IQ9S-3P and the company's other microinverters, which are considered more reliable.
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