Enphase Energy, Inc. (NASDAQ: ENPH), a global energy technology company, today announced that it began production shipments of its IQ9S-3P™ Commercial Microinverter, the company's most powerful microinverter currently available across the United States. Built with advanced gallium nitride (GaN) technology, the IQ9S-3P Commercial Microinverter supports high-wattage solar panels up to 770 W and connects directly to three-phase 480Y/277 V (wye) grid configurations without requiring external transformers.