The Office of Gas and Electricity Markets (Ofgem), working for the Gas and Electricity Markets Authority (GEMA), is the
government regulator for the
electricity and downstream
natural gas markets in
Great Britain. It was formed by the merger of the Office of Electricity Regulation (OFFER) and Office of Gas Supply (Ofgas). Its primary duty is to “promote choice and value for all gas and electricity customers".
See more at Wikipedia.org...