Energy Price Cap UK: Current Levels, History and What It Means for Bills

Current Energy Price Cap Levels

Ofgem sets the energy price cap quarterly -- in January, April, July and October each year. The cap is expressed as maximum unit rates in pence per kilowatt-hour (p/kWh) for electricity and gas, and maximum standing charges in pence per day. Ofgem also publishes an example annual bill figure based on typical usage (2,700 kWh electricity, 11,500 kWh gas per year). For the current quarterly cap level, refer to the Ofgem website directly -- kaeltripton.com does not reproduce specific figures that change quarterly.

History of the Energy Price Cap

The energy price cap was introduced in January 2019 under the Domestic Gas and Electricity (Tariff Cap) Act 2018, initially at approximately £1,137 per year for typical usage. The cap remained relatively stable until late 2021, when a sharp increase in global wholesale gas prices following supply disruptions drove successive increases. The cap reached a peak of £4,279 per year for typical usage in January 2023. Following a fall in wholesale prices, the cap has declined from this peak, though it remains above pre-2021 levels.

Energy Price Guarantee

In addition to the Ofgem price cap, the UK government introduced the Energy Price Guarantee (EPG) in October 2022, which set an effective cap on unit rates that was lower than the Ofgem cap during a period of exceptionally high wholesale prices. The EPG ended in June 2023, reverting to the standard Ofgem price cap mechanism. The EPG represented direct government intervention in energy pricing beyond the standard regulatory cap.

Prepayment Meter Customers

Prepayment meter customers (those who top up a meter with credit before using energy) were historically subject to higher tariffs than direct debit customers. Ofgem changed this in 2023, requiring that prepayment meter tariff rates must not exceed those available to direct debit customers. The Ofgem price cap now applies equally to prepayment and direct debit customers.

Impact on Household Bills

The price cap limits the rate per unit but not the total bill. A household using significantly more or less than the typical 2,700 kWh electricity and 11,500 kWh gas will pay proportionally more or less than the example annual bill figure. Improving home energy efficiency -- better insulation, draught-proofing, efficient appliances -- reduces consumption and therefore reduces the impact of cap movements on actual bills.

Frequently Asked Questions

What is the current energy price cap?

The Ofgem price cap is reviewed quarterly and changes in January, April, July and October. For the current figure, refer to the Ofgem website at ofgem.gov.uk -- the cap level published here may be outdated by the time you read this guide.

Does the price cap mean my bill cannot exceed a certain amount?

No. The price cap limits unit rates and standing charges -- not total bill amounts. Total bills depend on how much energy you use. Using more energy than the typical benchmark means paying more than the example annual figure even with the cap in place.

Why did energy bills increase so much in 2021-2023?

UK domestic energy prices rose sharply in 2021-2022 primarily due to a significant increase in global wholesale natural gas prices. The UK generates a substantial proportion of its electricity from gas, making UK electricity prices sensitive to gas price movements. Supply disruptions and increased global demand drove wholesale prices to historic highs, which fed through into the Ofgem price cap increases.

Is the energy price cap permanent?

The energy price cap was introduced as a temporary consumer protection measure but has been extended multiple times. Ofgem conducts periodic reviews of the cap's operation. The Domestic Gas and Electricity (Tariff Cap) Act 2018 provided for the cap to remain in place until at least 2023, with extension powers. Its long-term future depends on regulatory policy decisions by Ofgem and government.