Premium paid over French counterparts has risen to almost £30 a megawatt hour, analysis by lobby group finds

British steelmakers have been pushed further behind European rivals on electricity costs after the US-Israeli war on Iran caused a surge in global gas prices.

The premium paid by the British industry over its French counterpart has risen to almost £30 a megawatt hour (MWh), its highest level in three years, according to analysis by the lobby group UK Steel.