Neil Clitheroe, Global Retail Director at ScottishPower, said:
"The CMA’s rigorous investigation has examined all aspects of the energy sector and has concluded that the market is working but has to do more to encourage consumers to switch.
“Key to market engagement is making the best deals available to all consumers. With half of our customers already on fixed products we embrace moves that help consumers engage more with the market to secure better deals. We will now review the detail to ensure that the remedies give customers more choice and help competition work better within the market.”