'Big six' energy firms lose further market share

Britain's big six energy companies are continuing to lose market share to smaller independent suppliers, new figures show.

Ofgem defends record of reform over big six energy firms' high prices

Ofgem has hit back at claims it may be partly to blame for high prices, after a group of former regulators said it had presided over a weakening of competition in the energy market.

British Gas staff mis-sold deals, says regulator Ofgem

The UK's biggest energy supplier, British Gas, mis-sold energy deals by making exaggerated claims to potential customers, the regulator has said.