The boss of the energy supplier has said the UK needs a “massive ramp-up” in insulation and other measures

Energy efficiency is the single most important measure toward net zero, according to a survey

The boss of ScottishPower has called on ministers to give the most vulnerable £1,000 off bills

Energy bosses have predicted that a “significantly larger” number of people will move into fuel poverty

Octopus and E.ON bosses talked about the “huge increase” in bills and the need for more measures