UK customers will be paid if they use less energy at the peak hours on Monday evening if their provider has signed up to a new scheme for incentivizing energy saving, National Grid said. National Grid ESO announced on Sunday that it would activate the so-called Demand Flexibility Service live for the first time between 5 p.m. and 6 p.m. local time to incentivize people to save energy during peak demand hours amid a cold snap in the UK. The Demand Flexibility Service has so far run five planned demonstration test events,…