I had an email from EDF stating my dd for gas & electric was going to go up from £139 per month to £210 per month. I rang up to complain, stating that I was on a fixed tariff and was paying a higher unit rate already before Ofgem announced the upcoming price reduction, thinking that my costs would stay the same over the term of the contract. When I said I am prepared to leave them and pay the £150 exit fee, they suddenly reduced my dd to £150 per month. Still an increase, but I can live with £11 per month extra rather than £71 per month.