National Grid’s Demand Flexibility Service, which was approved by Ofgem at the beginning of November, offers individuals and businesses the chance to earn money by simply reducing non-essential energy use for a couple of hours a day.The scheme puts power, and money, back in the hands of the people. But how does it work? Who can take part? What does participation involve? The ADE has put together the below factsheet to answer these questions and make sure that everyone who wants to participate in the service knows how to do so.