'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.

Oil company offices raided in EU pricing probe

The offices of several firms involved in the oil market have been raided by European Commission officials.

Barclays: US $470m energy fine 'unjustified'

Barclays has said US regulators' proposed fines of $470m (£291m) for the bank's alleged manipulation of energy markets are "unjustified" and the allegations will not stand up in court.