Star Energy Group Plc operates as an oil and gas exploration, development, processing, and production company in the United Kingdom. The company holds interests in the licenses in the Weald Basin in southern England, East Midlands, Northwest, and Scotland. It also generates electricity through geothermal energy; and development of deep geothermal heat projects. The company was formerly known as IGas Energy plc and changed its name to Star Energy Group Plc in June 2023. Star Energy Group Plc is based in Lincoln, the United Kingdom.