Wholesale gas and electricity prices are expected to fall over the next year . But energy firms stand to make increasing profits , according to Which . Sector is currently being scrutinised by a full-scale competition probe . Latest revelation is expected to place political pressure on the sector .
Wholesale gas and electricity prices are expected to fall over the next year . But energy firms stand to make increasing profits , according to Ofgem . Sector is currently being scrutinised by a full-scale competition probe . Latest revelation is expected to place political pressure on the sector .