The National Grid will be able to reveal the cheapest time for you to turn on your washing machine up to 48 hours in advance. It is using software, created by charity WWF, that shows exactly when energy it at its peak demand throughout the day, in two-hour segments. The software uses data from the grid and combines this with weather information from the Met Office, all of which has been verified by Oxford University.
Daily Mail 26th Sept 2017 read more »