SMA Solar Technology AG engages in the development, production and sale of solar inverters and monitoring systems for solar power systems. It operates its business through the following segments: Residential, Commercial, Utility, Storage, and Digital Energy. The Residential segment caters to global markets for small photovoltaic (PV) systems with and without connection to a smart home solution. The Commercial segment focuses on global markets for medium sized PV systems with and without an energy management solution. The Utility segment covers international PV power plant markets with its powerful string inverters in the sunny-high power product family, and the central inverters in the sunny central product family. The Storage segment consists of system technology for integrating battery-storage systems of all system sizes. The Digital Energy segment comprises of coneva which develops digital energy services for private and business customers; and emerce GmbH that involves in online sales channels for select markets. The company was founded by Reiner Wettlaufer, Peter Drews, Werner Kleinkauf, and GÃ¼nther Cramer in 1981 and is headquartered in Niestetal, Germany.