Enphase Energy is an American NASDAQ-listed energy technology company headquartered in Fremont, California. Enphase designs and manufactures software-driven home energy solutions that span solar generation, home energy storage and web-based monitoring and control. Enphase has shipped about thirty million solar microinverters, primarily into the residential and commercial markets in North America, Europe and Australia. Microinverters convert the direct current power from the solar panel (DC) directly into grid-compatible alternating current (AC) for use or export. Enphase was the first company to successfully commercialise the microinverter on a wide scale, and remains the market leader in their production.