News
TL;DR
The Ofgem energy price cap is reviewed quarterly and sets the maximum unit rate and standing charge for variable tariff customers. The cap does not fix your total bill; it fixes the price per unit consumed. Usage still determines your total cost. Wholesale market prices drive cap movements; Ofgem announces the next quarter's cap approximately six weeks before the quarter begins. The cap is region-specific; check Ofgem's site for your area.
The Ofgem energy price cap was introduced in January 2019 to protect consumers on standard variable and default tariffs from excessive energy prices. Since October 2021, when wholesale gas prices surged globally, the cap has become the central mechanism through which household energy costs are managed in the UK. The cap is reviewed and reset each quarter - January, April, July, and October - based on changes in wholesale energy costs, network charges, policy costs, and supplier operating margins.
This tracker covers the current and recent quarterly cap levels, explains how the cap translates into household bills, and summarises the factors driving the trajectory of future cap changes. Cap forecasts from independent analysts and Cornwall Insight are referenced to provide forward context, though wholesale energy markets are volatile and forecasts carry significant uncertainty. Always check Ofgem's official site for the current confirmed cap rates before making switching or fixing decisions.
Key facts (2026)
- The Ofgem price cap is expressed as an annual cost for a typical household using 11,500 kWh of gas and 2,700 kWh of electricity per year - these are Ofgem's typical household consumption figures (Ofgem).
- The cap sets maximum unit rates and standing charges; your actual annual cost depends on how much you use. High-consumption households pay more; low-consumption households pay less than the headline cap figure (Ofgem).
- Ofgem announces the following quarter's cap at least six weeks before it takes effect, giving fixed tariff providers time to price their products relative to the expected cap level (Ofgem licence conditions).
- The cap varies by region due to differences in distribution network costs across the 14 DNO (Distribution Network Operator) areas in Great Britain; Scottish customers typically pay different rates from those in southern England (Ofgem).
- Wholesale energy prices are the primary driver of cap movements, accounting for roughly 40% of the total bill at 2026 cost levels; network charges, supplier margins, and policy costs (including the Warm Home Discount scheme levy) make up the remainder (Ofgem bill breakdown data).
How the energy price cap works
The Ofgem energy price cap does not limit your total energy bill to a fixed amount. It limits the maximum unit rate (pence per kWh) that a supplier can charge for electricity and gas to a variable tariff customer, and the maximum daily standing charge. If you use more energy than the typical household, your bill will exceed the headline cap figure. If you use less, it will fall below it. The typical household consumption figures used to express the cap - 11,500 kWh for gas and 2,700 kWh for electricity per year - are averages; actual household consumption varies considerably based on property size, insulation, heating system, number of occupants, and lifestyle. Comparing your own consumption from a recent energy bill against these averages is the most accurate way to estimate your likely annual cost under the current cap.
Recent quarterly cap history
The price cap trajectory since 2021 illustrates the scale of the energy market shock and the partial unwinding that followed. The cap stood at £1,277 for a typical household in 2021 Q1 before the wholesale price surge. By Q4 2022, it had risen to £3,549, and the government introduced the Energy Price Guarantee, which effectively capped bills at £2,500 for most households through a direct subsidy to suppliers. By Q3 2023, the cap had fallen back below £2,000 as wholesale prices retreated. Through 2024 and 2025, the cap has fluctuated between approximately £1,500 and £1,850 as wholesale markets continued to adjust. As of Q2 2026, the cap reflects current wholesale pricing for the April to June quarter; check Ofgem's price cap page at ofgem.gov.uk for the confirmed figure, as this tracker is updated quarterly after Ofgem's announcement.
What drives cap changes quarter to quarter
Ofgem calculates the cap each quarter using its published Methodology for Calculating Domestic Supplier Price Cap. The two largest variable components are wholesale energy costs and network (distribution and transmission) charges. Wholesale gas prices are determined by global markets and are particularly sensitive to geopolitical events, LNG supply, and storage levels across Europe. UK gas storage is limited relative to Continental European countries, making the UK more susceptible to spot price volatility. Network charges are set by Ofgem separately through the price control process and change less frequently but can add meaningfully to cap movements in years when Ofgem resets allowed network revenues. Supplier operating costs and bad debt allowances are also included. VAT at 5% applies to domestic energy bills above the standard rate.
Cap vs fixed tariff: how to decide
The choice between staying on the price cap variable tariff and switching to a fixed tariff depends on your view of future wholesale price movements and the relative pricing of current fixed deals. If fixed tariffs are priced above the current cap, you are betting that the cap will rise enough to make the fixed rate the better deal over the contract period. If fixed tariffs are priced near or below the current cap, they may offer both price certainty and potential savings. Ofgem's own forward curve analysis and independent forecasters such as Cornwall Insight publish quarterly cap forecasts; these can be used as a starting point but carry significant uncertainty. A useful practical rule: compare the annualised cost of the fixed deal against your own estimated consumption cost at the current cap rate, then consider whether the certainty is worth any premium.
How to reduce your energy costs regardless of the cap
Whether the cap is rising or falling, reducing consumption is the most direct way to lower your energy bill. Simple measures with the most impact include: reducing the thermostat by 1 degree Celsius (estimated saving approximately 10% on heating costs); switching from a bath to a shower; installing a smart meter to track real-time consumption and identify high-use appliances; ensuring your home's loft insulation meets the 270mm recommended depth; and checking eligibility for the Great British Insulation Scheme or ECO4 grant funding for insulation and heating upgrades, available to lower-income or fuel-poor households through energy suppliers and local authorities. Energy efficiency improvements reduce consumption independently of what happens to unit prices, providing a durable bill reduction.
Related guides
- UK inflation tracker 2026
- Bank of England base rate tracker
- Best fixed energy tariffs UK 2026
- All News guides →
Frequently asked questions
Does the energy price cap mean my bill will not exceed the cap amount?
No. The cap limits the unit rate and standing charge, not your total bill. If you use more energy than the typical household (11,500 kWh gas, 2,700 kWh electricity), your annual bill will exceed the headline cap figure. The cap is expressed for a typical household as a reference point. Your actual cost depends entirely on your consumption multiplied by the capped unit rates, plus the standing charges.
How often does Ofgem change the energy price cap?
Ofgem reviews and resets the cap quarterly: January, April, July, and October. The new cap is announced approximately six weeks before the start of each quarter. Ofgem publishes the cap calculation methodology on its website and the confirmed rates for each region and tariff type at ofgem.gov.uk.
Is the energy price cap the same everywhere in the UK?
No. The cap varies by region due to different distribution network costs across the 14 DNO areas in Great Britain. Northern Ireland has a separate energy market and different regulatory arrangements; the Ofgem cap does not apply in Northern Ireland. Check the cap rates for your specific postcode or network area on Ofgem's website.
Am I protected by the price cap if I am on a prepayment meter?
Yes. The Ofgem price cap applies to all standard variable tariff customers, including those on prepayment meters. Prepayment meter customers have historically paid more than credit meter customers under some tariff structures; Ofgem moved to equalise prepayment and credit meter cap rates from mid-2023, meaning both pay the same capped rate.
Where can I find the latest confirmed Ofgem price cap figures?
The current and next quarter's confirmed cap figures are published on Ofgem's website at ofgem.gov.uk/check-if-energy-price-cap-affects-you. This page shows the cap for each region and tariff type. Cornwall Insight and other energy consultancies publish quarterly cap forecasts for future quarters, which are estimates rather than confirmed figures.
How we verified this guide
Cap history and methodology were verified against Ofgem's published quarterly cap announcements, Ofgem's Methodology for Calculating the Domestic Supplier Price Cap, and Citizens Advice energy data during May 2026. We do not accept payment from energy suppliers and do not earn commission on energy tariff comparison.
Primary sources
- Ofgem - Energy price cap current rates and methodology
- Ofgem - Price cap history and quarterly updates
- Citizens Advice - Understanding your energy bill
- MoneyHelper - Energy saving tips
Last reviewed: May 2026.