UK energy price cap to increase four percent as Middle East conflict drives up wholesale costs

The short version

• Energy regulator Ofgem announced a 4 percent increase to the UK energy price cap beginning October 1, 2026, raising typical annual household bills by roughly 60 pounds ($80).[Al Jazeera]
• The decision follows an 11 percent surge in wholesale energy prices over three months, spurred by the closure of the Strait of Hormuz during the US-Israel war on Iran.[Al Jazeera]
• The UK government introduced a tax cut on monthly electricity bills through the 2027 financial year to mitigate the impact on consumers.[Al Jazeera]
• Ofgem noted that 35 percent of households on fixed-rate tariffs will avoid immediate increases, but economic forecasters warn of broader pressure on household spending power.[Al Jazeera]

Key facts

• Ofgem raised the energy price cap by 4 percent effective October 1, 2026, which adds approximately 60 pounds ($80) per year to regular household energy bills.[Al Jazeera]
• Wholesale energy prices climbed 11 percent over a three-month period, according to Ofgem.[Al Jazeera]
• Iran closed the Strait of Hormuz following strikes in late February, disrupting a trade route that previously handled about one-fifth of global oil and liquefied natural gas.[Al Jazeera]
• The UK government introduced a tax cut applied to monthly electricity bills that is slated to remain in effect until the end of the 2027 financial year.[Al Jazeera]
• About 35 percent of households in England, Scotland, and Wales are on fixed-rate energy contracts and are not immediately affected by the cap adjustment.[Al Jazeera]
• The Centre for Economics and Business Research projected that average UK household real spending power will decrease by 2,400 pounds ($3,200) by the end of 2027.[Al Jazeera]

Sources

Outlet counts describe coverage, not independent confirmation. Reports may share a wire service or original source.

• Britons face ‘risk premium’ for energy as US-Israel war on Iran intensifiesAl Jazeera