A good energy performance certificate rating could become more important if a merger which analysts claim would further reduce consumer choice in the energy markets goes through.Invesco, which has a 15 per cent stake in British Gas parent company Centrica has proposed a merger with nuclear generator British Energy, in...

Domestic energy assessors who recommend that households with heating oil boilers install insulation or double glazing could be helping them make savings on their utility bills following the revelation that the price of the fuel has risen 93 per cent in a year.Inflation figures published by the Bank...