Severn Trent Plc engages in the provision of clean water and waste water treatment services and develops renewable energy solutions. It operates through the following segments: Regulated Water & Waste Water and Business Services. The Regulated Water & Waste Water segment includes the wholesale water and waste water activities of Severn Trent Water Limited, its retail services to domestic customers, and Hafren Dyfrdwy Cyfyngedig. The Business Services segment includes the group's operating services, the Green Power business, the property development business, and its other non-regulated businesses including affinity products and searches. The company was founded in 1974 and is headquartered in Coventry, the United Kingdom.