Ofgem raises UK energy price cap 4% from October 1 on Iran war costs

September 1, 2026 at 01:14 PM2 min

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Ofgem announced a 4 percent increase in the energy price cap for England, Scotland and Wales from October 1, 2026, citing higher wholesale gas prices driven by the US-Israel war on Iran. The UK government simultaneously announced a tax cut on monthly electricity bills until the end of the 2027 financial year. The increase will add about 60 pounds ($80) a year for a typical household, even as 35 percent of households on fixed-rate plans avoid immediate impact.

Key Facts

Ofgem announced a 4 percent increase in the energy price cap for England, Scotland and Wales from October 1, 2026.
A typical household will pay about 60 pounds ($80) more per year due to the price cap increase.
35 percent of households in England, Scotland and Wales are on fixed-rate energy plans and will not be immediately affected by the cap increase.
The UK government announced a tax cut on monthly electricity bills lasting until the end of the 2027 financial year.
Ahmed Tabaqchali, a senior fellow at the Atlantic Council, said the UK will not see a return to normality regarding the Strait of Hormuz.

Price Cap Increase

Ofgem, the energy regulator for England, Scotland and Wales, announced a 4 percent increase in the energy price cap from October 1, 2026. The increase results from a sharp rise in wholesale gas prices caused by the US-Israel war on Iran. A household using a regular level of energy will pay about 60 pounds ($80) more per year. 35 percent of households are on fixed-rate energy plans and will not be immediately affected by the cap increase.

Government Response

The UK government announced a tax cut on monthly electricity bills as part of efforts to shield people from economic impacts of the Iran war. The tax cut is set to last until the end of the 2027 financial year. Ahmed Tabaqchali, a non-resident senior fellow at the Atlantic Council, said the tax move gives people room to breathe but does not fix the fundamentals.

Expert Outlook

Tabaqchali said the UK will not see a return to normality as far as the Strait of Hormuz is concerned. He added that volatility is not a temporary concern. Jack Burt, a PhD candidate at the University of Cambridge, said the UK will be impacted by geopolitics as long as it relies on energy imports.