- Sir Vince Cable MP, Leader of Liberal Democrats
- Rick Haythornthwaite, Chair, Centrica
- Professor Dieter Helm, CBE
- David Gray, Chair, Ofgem
- Greg Clark MP, Secretary of State for Business, Energy and Industrial Strategy
- Rachel Reeves MP, Chair, Business, Energy and Industrial Strategy Committee
- Dr. Johannes Teyssen, CEO, (E.ON SE)