Which? executive director, Richard Lloyd, said:
“Consumers will ask what on earth is going on when they are using less energy but still paying more overall. Our own research suggested falling wholesale energy prices are not being passed onto consumers fairly.
“Energy bills are consistently the top consumer concern so we need the CMA to get to the bottom of whether the price people pay is right. We also need to see simple pricing, and a price to beat that people can trust, to restore consumer confidence in the energy market.”