Energy price cap rises 13% from 1 July 2026
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Default tariff unit rates jump about 13% for the July–September quarter. Typical direct-debit bills rise by roughly £18 a month — fixing may beat the cap if you want certainty.
By Money Guide editorial team
Updated:
Ofgem confirmed on 27 May that the energy price cap for 1 July to 30 September 2026 rises by about 13% on unit rates and standing charges compared with the April–June period. The increase reflects wholesale gas costs during the regulator's February–May assessment window.
A typical dual-fuel household on a standard variable tariff paying by direct debit would face annualised cap rates of about £1,862 using the previous consumption benchmark — up from roughly £1,641. Ofgem is also lowering its 'typical use' figures from 1 July, which produces a lower headline bill of around £1,663 but does not reduce the underlying rate increase.
The cap limits unit rates and daily standing charges, not your total bill. Heavy users pay more; low users pay less. Fixed tariffs are not capped and may be cheaper than July's cap levels depending on when you switch.
If you are already on a fix with months left, leaving early often triggers exit fees — compare the cost before switching. In the last 49 days of a fix you can usually switch penalty-free. Standard-variable customers should compare whole-of-market fixes before 1 July if they want to lock in.