You can pay your energy bill by direct debit, prepayment meter top-up, cash or cheque at a PayPoint, or by standard credit (bill paid after use). Direct debit is the cheapest method, with Ofgem reporting that customers paying by direct debit typically pay around £100 less per year than those on standard credit tariffs (Ofgem, 2026).
The best payment method depends on your household budget and credit history. Direct debit offers the lowest rates because it guarantees on-time payment to the supplier. Prepayment meters let you pay-as-you-go but often have higher standing charges. Standard credit means you receive a bill and have up to 28 days to pay, but this usually carries a premium. If you are struggling to pay, your supplier must offer a payment plan under Ofgem rules, this applies to all households, regardless of method.
Direct Debit Saves the Most Money
Direct debit is the most cost-effective way to pay. Energy suppliers offer a discount of around 5–7% on unit rates for customers who set up a monthly direct debit. The Energy Saving Trust confirms that direct debit customers typically pay £100–£150 less per year compared to standard credit customers (Energy Saving Trust, 2026). You can choose a fixed monthly amount or variable direct debit that matches actual usage. Fixed amounts spread winter costs evenly, helping you avoid large winter bills. You must maintain a positive or near-zero balance to avoid debt.
Prepayment Meters Offer Control but Cost More
Prepayment meters let you top up at a shop or online, so you only pay for what you use. Ofgem sets a maximum standing charge for prepayment customers, but unit rates are typically 10–15% higher than direct debit tariffs (Ofgem, 2026). You can top up at any PayPoint, Post Office, or via a smartphone app if your meter supports it. If you cannot afford a full top-up, suppliers must offer a temporary emergency credit of £10–£20. Prepayment meters are being phased out for some vulnerable households under new regulations, but remain common for renters and those with debt.
Standard Credit and Budgeting Options
Standard credit means you receive a quarterly or monthly bill and pay by cheque, bank transfer, or online. This method is easiest if you prefer to pay after use, but it carries the highest average annual cost, around £1,200 for a typical household in 2026 (GOV.UK, 2026). You can request a budget plan from your supplier to spread costs evenly over 12 months. If you miss a payment, your supplier must offer a repayment plan before considering disconnection. Always contact your supplier immediately if you cannot pay, they cannot disconnect you without offering a payment arrangement first.
A worked example
A typical 1930s semi-detached home in Manchester paying by standard credit could save £130 per year by switching to monthly direct debit. The Energy Saving Trust confirms direct debit customers typically save £100–£150 annually versus standard credit (Energy Saving Trust, 2026). If that same household also moves from a standard variable tariff to a fixed-rate direct debit deal, total savings can reach £250–£300 per year. Before switching, check your current contract, some suppliers charge exit fees of up to £30 per fuel if you leave early. The 0% VAT rate on energy (until March 2027) applies regardless of payment method, so it does not affect the comparison. For prepayment meter users, the gap is smaller, around £50–£80 per year, but switching to direct debit still pays off within a year. Use the Ofgem price comparison tool at ofgem.gov.uk to see live deals.
| Item | Figure |
|---|---|
| Upfront cost after grants | £0 (no switch fee) |
| Yearly savings | £130 |
| Payback period | Immediate |
| 25-year lifetime savings | £3,250 |
What homeowners often get wrong
The most common mistake is assuming prepayment meters are always cheaper because you only pay for what you use. Here are three frequent errors that cost UK households money.
- Thinking direct debit locks you into a contract You can switch suppliers at any time even with direct debit, there is no minimum term for the payment method itself. Sticking with a poor tariff because you fear exit fees can cost up to £200 extra per year.
- Ignoring the standing charge difference Prepayment meters typically have higher daily standing charges, often 10–20p more per day than direct debit. Over a year that adds £36–£73 to your bill regardless of how little energy you use.
- Believing you cannot switch from prepayment If you have a smart meter or can pass a credit check, most suppliers let you move to direct debit. Staying on prepayment when eligible can mean missing £100–£150 in annual savings.
Quick reference
- Direct debit customers save £100–£150 per year compared to standard credit, according to the Energy Saving Trust.
- Prepayment meter standing charges are typically £36–£73 higher per year than direct debit equivalents.
- You must have a working smart meter or pass a credit check to switch from prepayment to direct debit.
- Ofgem rules require your supplier to offer a payment plan if you fall behind, regardless of your payment method.
- Exit fees of up to £30 per fuel apply when leaving a fixed tariff early, but direct debit itself has no penalty.
Frequently Asked Questions
Direct debit is the cheapest method. Ofgem reports customers paying by direct debit typically pay around £100 less per year than those on standard credit tariffs.
Yes, you can pay with cash or cheque at a PayPoint. This is common for prepayment meter top-ups or standard credit bills.
Your supplier must offer a payment plan under Ofgem rules. Contact them immediately to arrange a manageable schedule.
