Four ways to keep your energy bills down

Lucy HookerBusiness reporter, BBC NewsGetty ImagesEnergy prices are going up again in October, by about £35 a year for a typical household.It is the cap on the price per unit of energy that is going up, so if you use a lot of gas and electricity, your annual bill could go up by more than that.So what can you do to keep a check on rising bills?1. Consider switching to a fixed rateThe energy regulator Ofgem is…