Full Breakdown
UK Energy Price Cap Set to Rise Sharply as Iran Conflict Drives Wholesale Costs
5/27/2026, 8:51:56 PM
July 2024 Price Cap Increase – Core Facts
On 1 July 2024 Ofgem will set a new energy price cap for households on variable tariffs in England, Scotland and Wales. The cap is expected to rise 13 % – about £209 – to £1,850 per year, covering roughly 19 million homes.
Conflict-Driven Market Shock – Background
In late February 2024 U.S. and Israeli air strikes on Iran were followed by Iranian retaliation that closed the Strait of Hormuz, a route that moves about 20 % of global oil and gas. The closure pushed wholesale gas prices up roughly 25 %.
Numbers Behind the Rise – Data & Statistics
Cornwall Insight forecasts the July-September cap at £1,850, up from £1,641 – a £209 (13 %) rise; other forecasts range £206-£209. Wholesale energy costs represent about 40 % of a household bill, based on 11,500 kWh gas and 2,700 kWh electricity use.
Government and Industry Reactions – Official Statements & Responses
Ofgem may revise the “typical” consumption assumptions but warned unit prices will rise. Chancellor Rachel Reeves said the government is “ready to act if market conditions worsen”. Energy UK flagged bills; government spokesperson emphasized that tackling the affordability crisis is a top priority and noted cuts and a 5p-per-litre fuel-duty reduction.
Voices of Dissent – Criticism & Opposition
Simon Francis of the End Fuel Poverty Coalition warned that vulnerable families need “reassurance and support, not a summer of suspense” and called for clear winter assistance. Economist Martin Beck said higher petrol prices and the looming July cap point to “a more cautious spending backdrop” for consumers.
Divergent Forecasts – Conflicting Reports & Gaps
Forecasts vary: Cornwall Insight expects a £1,850 cap, EDF Energy projects £1,847, and British Gas forecasts £1,850-£1,847, giving a rise range of £206-£209. No final government plan for targeted support has been announced.
Why It Matters – Impact
The higher cap adds over £200 to annual household energy costs, pressuring disposable income and increasing the risk of fuel poverty for vulnerable families.
Upcoming Steps – What’s Next
Ofgem will publish the July cap on 27 May, and the October review will set the winter cap, likely at a similar level. Chancellor Rachel Reeves indicated the government may introduce targeted support in the autumn, while discussions stress expanding renewable capacity to reduce reliance on imported gas.
Verbatim Quotes
- “We stand ready to act if market conditions worsen significantly later this year and I have been leading cross-Government contingency work on design of potential future targeted and temporary support for businesses.” — Rachel Reeves, Chancellor
- “tackling the affordability crisis is our number one priority” — UK Government spokesperson
- “Higher petrol prices, the prospect of an increase in household energy bills in July and weakening consumer sentiment all point to a more cautious spending backdrop,” — Martin Beck, Economist, WPI Strategy
- “Craig Lowrey, principal consultant at Cornwall Insight, said: “Over the past few months, we've watched our forecasts shift from showing virtually no quarter-on-quarter increase to a 13% rise in current bills – with this change due to the impacts of the Middle East conflict.” — Craig Lowrey, Principal Consultant, Cornwall Insight
