National Grid has attracted just a fraction of its target in a new demand response product that would help manage system stresses.
Rebecca Yang, commercial manager at National Grid, told New Power that the new product (enhanced Stor) was a response to the situation on 4 November, when the system operator (SO) issued a Notification of Inadequate System Margin (Nism). That day was mild and demand was low, and Yang said the SO could not bring on expected generating units, in some cases because they experienced failures coming back from outage.