John Frederick Mogg, Baron Mogg KCMG (5 October 1943) is a previous Chairman of Ofgem and the current Chairman of the EU Energy Regulators. It was announced that he would become a life peer on 18 April 2008, and on 28 May 2008 he was created Baron Mogg, of Queen's Park in the county of East Sussex.On 14 January 2019 he retired from the House of Lords.