Mark McAllister is confirmed as the next chair of Ofgem, strengthening the government’s work to build a more secure and affordable energy system.
The Energy Security and Net Zero (ESNZ) Select Committee approved the appointment, following a hearing in October.
McAllister will succeed Martin Cave on 6 November.
An engineer by profession, McAllister has served as Chair of the Office for Nuclear Regulation (ONR) since April 2019, where he is charged with ensuring the ONR delivers efficient and effective regulation of the nuclear industry.
Responsible for protecting consumers from high energy bills, restoring confidence and resilience in the retail market, and supporting progress towards net zero, Mr McAllister’s leadership will help shape Ofgem’s work in years ahead.
He will also work closely with the government to support more households to move towards cleaner, cheaper energy generated in the UK.
Energy Security Secretary Claire Coutinho said: “I am pleased Mark McAllister is set to take up the position of Ofgem Chair, bringing over forty years of outstanding experience in the energy industry to the role.
“By working together with Ofgem, we will continue to ensure the energy market works for consumers, delivering lower bills and cleaner energy – with prices already down 55 per cent since their peak.”
McAllister said: “Energy prices, security of supply and decarbonisation of the energy system are some of the most important challenges facing the UK today and which Ofgem plays a key role in addressing.
“I am looking forward to working with the new Board, management and entire Ofgem team to protect energy consumers and to help realise a net zero energy system through both our regulatory and delivery responsibilities.
“I am keen to engage with all stakeholders, including industry, consumer groups and charities to find the best solutions to the challenges we face together.”


