Enphase Energy Begins Shipments of GaN-Based 548 VA IQ9S Commercial Microinverters in the United States

Enphase Energy announced production shipments of its IQ9S-3P Commercial Microinverter, featuring advanced GaN technology with 548 VA output capacity and support for solar panels up to 770 W. The product is designed for three-phase 480Y/277 V commercial grid configurations and achieves 97.5% CEC weighted efficiency. Safe harbor orders are open until July 4, 2026, to help customers secure equipment ahead of federal tax credit deadlines. The microinverter is manufactured in U.S. facilities and may qualify for domestic content bonus tax credits.