The smart meter rollout will open the door to a myriad of new services and products that will change the way suppliers interact with their customers and compete in the market. These new services are reliant on the data smart meters will provide; and processing that data and using it to the best effect will require efficient and capable IT systems. But questions have been raised over how well, and how quickly, large suppliers will be able to evolve their back offices to compete in an ever changing market.