Consumers in the European Union and Britain face further gas price spikes this winter as flows of Russian gas via major transit routes are proving too little, too late.

The new Nord Stream 2 pipeline running from Russia to Europe might have eased a tight market. But it has faced more delays as German certification has been suspended, amid opposition to the whole project from the United States and some Europeans.

This year's power price shock has pushed several European and British energy suppliers out of business, as they cannot always pass on price rises to customers. Britain's Bulb, with 6% domestic market share, was the latest to go bust.