Star Energy Group Plc explores for, develops, processes, and produces oil and gas in the United Kingdom. It holds gas and oil reserves at onshore locations in the East Midlands and the Weald Basin in Southern England. The company also generates electricity and develops deep geothermal heat projects. Formerly known as IGas Energy plc, it changed its name to Star Energy Group Plc in June 2023 and is based in Lincoln, the United Kingdom.