The risk of electricity blackouts will be higher than usual this winter, according to the National Grid.The closure of some power stations has left spare capacity on the system at just 1.2 per cent, the worst figure for a decade.The grid has paid £36m to have several plants on standby and asked some industries to switch off power.This move will add approximately 50p to the typical household bill. Cordi O'Hara, National Grid's director of market operations, said: "It's clear that...
