Price Cap Rates by Payment Method: Direct Debit, Prepayment and Standard Credit

The energy price cap does not set one number for every household. Ofgem sets a separate level for each payment method, so a direct debit customer, a prepayment customer and a standard credit customer on the same default tariff face different maximum unit rates and different maximum daily standing charges. For the cap period running from 1 October to 31 December 2025, the direct debit level for a typical customer was £1,755 a year, the prepayment level £1,707, and the standard credit level £1,890¹.

Those three figures describe the same underlying energy, priced differently because suppliers' costs of serving each payment type differ. Prepayment sat £48 below direct debit for that period, and standard credit sat £136 above it¹. Standard credit, paying on receipt of a bill by cash, cheque or bank transfer, is the most expensive payment method option under the cap, and Ofgem has attributed a £135 price premium on standard credit specifically to the costs of debt¹.

The cap limits the unit rate and the daily standing charge. It does not limit a total bill³. A household that uses more energy than the benchmark consumption pays more than the headline annual figure regardless of how it pays, and every payment method pays the standing charge on every day the property has a connection, whether any energy is used or not⁴.

What the price cap limits, and what it does not

The default tariff cap was introduced on 1 January 2019⁶. As set out in law, it works by setting a maximum that suppliers can charge per unit of energy, including a daily standing charge⁷. It applies to customers on default and standard variable tariffs, and it covers payment by standard credit (payment on receipt of an electricity and gas bill), direct debit, prepayment meter and Economy 7 meter⁸.

The single most misread feature of the cap is its scope. It limits how much companies can charge for each unit of energy and for the daily standing charge, but it does not limit the total bill³. Ofgem publishes the cap as a yearly figure for a typical household because that is easier to grasp, but it is only an example of what a household using benchmark volumes would pay⁹. A page on what the typical household figure actually means sets that out in detail.

What the cap does not cover matters as much for payment method. It applies to default tariffs whichever way the customer pays, but not to fixed, green or time of use tariffs¹⁰. A household on a fixed deal is outside the cap until that deal ends, at which point it falls back onto a capped default tariff. Ofgem sets one cap level for all suppliers rather than a different level for each company¹¹, using a bottom-up cost assessment approach that builds the level from wholesale, network, policy, operating and margin allowances¹².

For a household thinking about independence, the cap is a ceiling on the price of imported energy, not a guarantee of an affordable bill. Reducing the volume imported changes the unit-rate part of the bill; it does not touch the standing charge, which is payable on every day of connection whatever the payment method⁴.

Direct debit: the method the cap prices lowest for credit customers

Paying by monthly direct debit means a set amount is deducted from the account by the supplier, which spreads the higher cost of winter across the year¹³. Under the cap, the direct debit level for a typical customer ran at £1,755 a year for 1 October to 31 December 2025, an increase of £35, or 2%, on the previous period¹.

The reason it is priced below standard credit is administrative rather than moral. Suppliers can offer discounts to direct debit customers because the method involves less administration and management for the supplier¹⁴. Consumer bodies consistently describe it as usually the cheapest way to pay, generally saving hundreds of pounds a year compared with paying by cash, card or cheque¹⁵. Not everyone accepts that logic: one independent response to government argued that while the costs of servicing different payment methods must be covered, it is not appropriate for companies to be permitted to penalise customers by applying lower charges to those who pay by direct debit¹⁶.

The allowances behind the level are visible in Ofgem's own cost breakdown. For the direct debit cap covering 1 July to 30 September 2025, the earnings before interest and tax allowance stood at £43 a year, headroom at £18, and levelisation at £8¹⁷. Those are small components of a figure in the region of £1,700 to £1,800, but they are the parts that vary with the supplier's cost of serving the customer rather than with wholesale gas.

Direct debit has its own failure mode: payments set too high build credit balances, and payments set too low build debt. Those questions are covered in direct debit payments and credit balances.

Prepayment meters: what the cap means for pay-as-you-go

A prepayment meter is used to pay for electricity or gas in advance rather than after it has been used¹⁹. Credit is bought with a key or smart card, online or by phone, and the meter runs down against it²⁰. Prepayment tariffs are subject to the price cap in the same way that standard variable credit tariffs are²⁰.

The historic position, in which prepayment was the most expensive way to buy energy, has reversed under the cap. The cost premium associated with paying by prepayment as against direct debit was removed through the Ofgem price cap²¹. For 1 October to 31 December 2025, the prepayment level rose from £1,672 to £1,707, a £35 or 2% increase, and sat £48 below the direct debit level¹. For 1 April to 30 June 2025 the gap had been £46²². On Economy 7 arrangements the equivalent gap for that April to June period was smaller, at £25 below direct debit²².

The lower headline level does not make prepayment an easy way to buy energy. Payment in advance transfers the risk of running out to the household, and debt recovered through the meter is taken from each top-up before any energy is delivered. Where repayment is being taken as a percentage of top-up, or as a percentage plus a fixed weekly amount, independent guidance sets out that an affordable fixed weekly amount can be requested instead²³. The mechanics are covered in repaying energy debt through a prepayment meter and in prepayment meters.

Standard credit: the most expensive method under the cap

Ofgem states the position plainly in each quarterly summary of changes.

For 1 October to 31 December 2025 the standard credit level rose from £1,855 to £1,890, a £35 or 2% increase, leaving those customers paying an additional £136 compared with those paying by direct debit¹. The gap has widened over time: it was £106 for cap period 12a in early 2024, £120 for 1 April to 30 June 2025, and £136 by that autumn²⁴. Further back, in April 2021 the differential between standard credit and direct debit stood at £84, and Ofgem's February 2021 press release put the standard credit premium at £85²⁵.

What drives it is debt rather than paperwork alone. Ofgem attributes a £135 price premium on standard credit specifically to the costs of debt². Around 16% of customers pay by standard credit, and research suggests up to 43% of them do not realise it is the most expensive way to pay for energy². Independent reporting for the October 2026 period put standard credit unit rates roughly 8% higher than those for direct debit or prepayment customers²⁷.

The effect appears in standing charges as well as unit rates. For the January 2026 period, households in the Midlands paying on receipt of bill were reported to pay over £14 more on their standing charge over the three-month period than direct debit customers²⁸. A fuller comparison sits on standard credit vs direct debit under the price cap.

Standing charges: the daily fee no payment method escapes

The standing charge is a fixed daily fee paid every day, even if no energy is used on that day²⁹. It is payable for every day the property has an energy connection⁴, and it is not generally something a customer can opt out of or reduce³⁰. It recovers the costs of providing energy company services, from the wires, pipes and cables that deliver power to the door through to the staff and buildings the business needs to function³¹. Transport costs, administration charges and government environmental and social schemes all sit inside it³².

Standing charges are covered by the price cap, which limits how much suppliers can charge, although suppliers are not required to include a standing charge at all³³. For the cap running from 1 January to 31 March 2026, the daily standing charge was 54.75p for electricity and 35.09p for gas¹⁰. For 1 July to 30 September 2026, independent figures put electricity at 57.19p a day and gas at 29.04p a day³⁴, and for 1 October to 31 December 2026 the average electricity standing charge was given as 54.83p a day³⁵.

The direction of travel has been upward, with suppliers transferring more costs from unit rates to fixed daily charges³². Ofgem's October to December 2025 decision raised standing charges by 4% for electricity and 14% for gas, with the expansion of the Warm Home Discount adding a total of 7p a day³⁶. Standing charges make up around 19% of the average household's bill³⁷, and one independent response to government argued there is a good justification for removing them because of the inherent unfairness they create, noting they form a disproportionate part of overall costs for customers with very low consumption, and suggesting a flat rate addition to unit costs as an alternative¹⁶. Ofgem has consulted on requiring suppliers to offer a tariff with a standing charge priced £150 below the price cap nil consumption level per annum³⁸. See standing charges and standing charge reform.

For energy independence this is the binding constraint. Generating or saving energy reduces the unit-rate half of the bill; it does not reduce the daily fee. A household that cuts consumption sharply still pays the standing charge in full, which is precisely the disproportion the independent response identified¹⁶.

Regional variation: 14 caps, not one

A separate price cap is set for each of the 14 regions and applies throughout the region, with no breakdown published below regional level³⁹. Ofgem lists a customer's location, alongside payment method, fuel and meter type, among the factors that determine the level that applies⁴. The relevant licence condition names the customer's location and, for electricity, whether the tariff uses a multi-register or single-rate metering arrangement⁴⁰.

The spread is material. Customers in north Wales and Merseyside pay almost £360 a year in standing charges alone, compared with £267 in London; households in Yorkshire, north east England and southern Scotland all pay over £333 a year, against a Great Britain average of £309 a year as reported in September 2026⁴¹. On gas standing charges for 1 July to 30 September 2026, London was the most expensive region at 29.52p a day, with Southern at 28.53p⁴². Ofgem noted that from 1 April 2025 standing charges would reduce for most households in Britain, but that some regional variation remains⁷.

Part of the explanation is timing rather than geography alone: standing charge rates for electricity distribution are set 15 months in advance, based on the inflation rate at that time³³. Price rises have also been attributed to increases in parts of the cost of transporting energy in Great Britain and to costs towards government schemes and essential support⁴³.

Meter type compounds the regional effect. Customers on Economy 7 style tariffs were reported to face standing charges 13% higher than direct debit customers for the October 2026 period²⁷. Northern Ireland is outside the Great Britain price cap arrangements entirely; see energy bills in Northern Ireland. Regional unit rates are set out in electricity and gas unit rates by region.

How the level is set and reset

Ofgem updates the price cap every three months¹⁰, a position repeated across official and independent guidance⁵. That was not always so: when the default tariff cap began it was reviewed every six months, with the level reset in August for the winter period beginning 1 October⁴⁴. The earlier prepayment safeguard remedy from the Competition and Markets Authority moved every six months in line with a range of cost indices⁴⁶, and the default tariff cap was designed to be adjusted in the same way, using cost indices and data outside suppliers' control⁴⁷.

The level is built from the bottom up rather than negotiated¹², and one level is set for all suppliers¹¹. The consumption benchmark used to convert that into a headline annual figure has its own history. The benchmark has been based on Typical Domestic Consumption Values from 2017, and Ofgem's decision maintains a single benchmark across all payment types, with 2,700 kWh for single rate electricity and 12,000 kWh for gas from 1 January 2026; adopting the latest values was assessed as increasing the cap level by about £9 a year for a typical customer⁴⁸. Parliamentary reporting has assumed typical consumption of 2,500 kWh for electricity and 9,500 kWh for gas⁴⁹. Those differences are why two published "typical" bills can differ without either being wrong; typical domestic consumption values covers the benchmark in full.

Announcement timing follows a fixed rhythm. The next cap period, starting 1 January 2027, is due to be announced at the end of November 2026⁵⁰. Price cap history and announcement dates lists the full sequence.

Where the cap is heading

Recent periods have moved in both directions. There were three consecutive rises up to April 2025, when the cap rose 6.4%⁵¹. It fell in July 2025⁵². For October to December 2025 all three payment-method levels rose by £35, or 2%¹. Standing charges rose again in the January to March 2026 decision⁵³, and in April 2026 action taken at the Budget saw the cap fall by 7%⁵⁴. Over a longer view, the current cap has been described as 70% higher than in 2021⁵⁵.

The next fixed points are structural rather than seasonal. Ofgem has consulted on updating how the cap level is set for single-rate electricity customers as the market moves to market-wide half-hourly settlement⁵⁶, and on requiring a lower standing charge tariff option³⁸. Government has said standing charges are too expensive for some and confirmed it is working with Ofgem on how those costs could be recovered more fairly⁵⁷. Independent responses have proposed allocating those costs through a flat addition to unit rates, supported by a social tariff or energy prescriptions for low income or vulnerable customers¹⁶; see a social tariff for energy.

For a household, the practical consequence of quarterly resets is that the payment-method gap is not a fixed feature. It has ranged from £84 in April 2021 to £136 in late 2025 on the standard credit side²⁵, and from £46 to £48 on the prepayment side within 2025 alone²². What stays constant is the structure: the cap ceilings the price of imported energy, differentiates that ceiling by how the household pays, and leaves the daily standing charge in place whatever the household generates for itself. The wider context sits on the energy bills and the price cap pillar and on energy bills and energy independence.