Good Energy Group PLC, through its subsidiaries, engages in the purchase, generation, and sale of electricity from renewable sources in the United Kingdom. The company operates through Supply Companies, Electricity Generation Companies, Generation Development, and Holding Companies segments. It generates electric power by wind turbine machinery and solar panels; and offers feed-in tariff administration services to micro-generators. The company also sells gas; and provides services related to micro-renewable generation and the development of electricity generation sites. The company was formerly known as Monkton Group PLC. Good Energy Group PLC was founded in 1999 and is based in Chippenham, the United Kingdom.