Which? executive director Richard Lloyd said:
“We welcome the breadth of issues that the CMA will study in its energy market investigation. It’s vital no stone is left unturned in establishing the truth behind our energy prices. In the meantime, Ofgem must continue its renewed, tougher approach to protecting consumers, and energy companies should make urgent changes to do more for their customers.
“We need to see radical reforms to Fix the Big Six that will inject more competition into the market and help rebuild trust by giving consumers confidence that the price they are paying is fair.”