Martin Lewis asked the boss of Ovo Energy whether he is a “fat cat” who is “ripping people off” during a clash on Good Morning Britain.
The MoneySavingExpert founder put the accusations to CEO Stephen Fitzpatrick as the pair discussed the energy crisis millions of households face this winter.
Speaking yesterday, before Liz Truss was confirmed as the new Prime Minister, Mr Lewis said one plan reportedly being considered - and still unconfirmed - was a freeze on energy bills.