The new tariff will replace the supplier's existing shorter-term fixed tariff, will cost a typical duel fuel customer £1,070 a year, a news source revealed. However, if you're looking for an even better deal, EDF also decided to extend the length of it longer-term fixed price product Blue+Price Freeeeze, which will allow customers to fix their prices for four months longer — up to July 2017 — at £8 a year extra.