Prepaid gas and electricity

Can you change from prepayment meter to Direct Debit? Plus what extra help is available

On 1 April, those who pay for their energy on a prepay meter saw their bills fall by 14% on average. It's good news, but if you're struggling to pay, there's help available. Here's what you need to know...

How do prepayment meters work?

Prepayment meters let you pay for your energy on a pay-as-you-go basis. About four million homes in Britain have them. You top them up online (if you have a smart meter) or via a key or card, which you buy credit for at newsagents, post offices and garages.

Typically, prepay customers have had access to fewer tariffs, but the big advantage of sticking with prepay is if you have problems budgeting.

Prior to the energy crisis, some people could cut energy bills by swapping prepayment meters for standard meters for free, but last July the Government committed to end the 'prepay premium', and prepay is now the cheapest way to pay if you're on a standard variable price-capped tariff.

Yet before you jump to it, a word of caution... if and when proper competition returns, there are rarely any prepay deals. All the big discounts are thrown out to win new Direct Debit customers. So it's highly likely Direct Debit will stay by far the overall cheapest option for people who switch energy tariffs, but for those who don't, it'll be prepay.

Prepayment energy bills fell by 14% on 1 April 2024

Regulator Ofgem's new Price Cap came into effect on 1 April 2024, with prepay energy bills falling by 14% on average, meaning we'll see energy bills at their lowest in two years.

Under the new Price Cap, a typical household on prepay pays £1,643 a year (previously £1,917/year). Yet what you pay depends on how much you use and where you live. To see how the Price Cap change will affect your bill, see our What will I pay from April? calculator.

The previous Price Cap included a discount prepayment users received on their standing charges from Government, after it committed to ending the 'prepay premium' last year. The discount was applied to the standing charges until 31 March, on both gas (6.7p per day) and electricity (4.5p per day).

As of 1 April, the Energy Price Guarantee no longer applies, so there is no separate discount on prepayment units rates or standing charges. Prepay standing charges have been lowered to equalise them with Direct Debit, yet as prepay unit rates are cheaper, that means overall for a typical user, prepay is now about 3% cheaper.

Some households can be forced to have a prepayment meter

If you're in energy debt, your supplier may be able to force-fit prepayment meters - but this should be the last resort to avoid disconnecting you, and your supplier should have explored all other options to recover the debt first.

Since November 2023, a new code of practice has been in place for forced prepayment meters, which all suppliers must abide by and is legally enforceable. It sets out the rules for when suppliers can and can't forcibly install a prepayment meter.

The energy regulator, Ofgem has confirmed that E.on Next, EDF Energy, Octopus Energy, Scottish Power, Utilita, Utility Warehouse and Tru Energy have now met the necessary conditions under the new code to restart forced prepayment meter installations.

Ofgem is reviewing customers that had a prepayment meter installed without permission

Regulator Ofgem's review has, so far, identified more than 2,500 customers that had a prepayment meter installed between 1 January 2022 and 31 January 2023, but shouldn't have. Energy suppliers are in the process of paying compensation to affected customers and the review is ongoing.

If you think your supplier installed a prepayment meter or switched your smart meter to prepayment mode when it shouldn't have, you should contact your supplier, as you may be entitled to compensation. If you need help making your complaint, you can contact Citizens Advice and Advice Direct Scotland. If you need extra support, your complaint can be referred to the Extra Help Unit or Energy Ombudsman.

Got a non-smart meter? Top up as soon as possible to trigger the new lower rates

With most prepayment meters – both smart meters and all gas meters – you pay the rate on the day you use energy. Yet with many non-smart, prepay electricity meters, you pay the rate on the day you top up. So top up as soon as possible, even just a quid, so you're then on the new lower rates.

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On a prepayment meter and struggling to pay? There's help available

With massive hikes in energy prices over the last two years, many households are struggling with bills right now. Citizens Advice estimates that 1.7 million people in Britain ran out of credit on their prepayment meter last year, and 800,000 people went more than 24 hours without gas and electricity, as they couldn't afford to top up. So make sure you are getting all the support you are entitled to. If you're worried about paying your energy bills – or you're already struggling – don't suffer in silence. There's lots of help out there.

  • All suppliers offer small amounts of emergency credit. Usually £5 to £10 credit after your top-up runs out. But when you dip into the emergency credit it doesn't charge you the standing charge (the fixed charge you pay daily just to be connected), so the next time you top up you have to play catch-up.

  • Friendly credit prevents you being cut off during certain times of the day or certain days of the week. If you start running out of credit when the shops are closed (for example during evenings, weekends and bank holidays), which stops you being able to top up, you won't be cut off.

  • Many providers have hardship funds to help those in debt. Find out if you can get help through a supplier hardship fund.

What's more, regulator Ofgem has strengthened protections for prepayment customers, requiring suppliers to proactively identify and contact customers that have self-disconnected due to being unable to afford to top up. This includes support for repaying any outstanding standing charges.

For more info, see our full Struggling with energy bills guide.

Got an older, traditional prepayment meter? Check if you can get a smart meter

Most suppliers now offer smart prepayment meters – they're free and offer several benefits if you prepay for your energy: 

  • Smart prepayment meters make it much easier to top up. These meters allow you to top up online, by text, over the phone or via an app. So there's no need to pop to the shops when you're running low to add credit to your card or key. 

  • Suppliers can switch you between prepay and monthly direct debt remotely. You no longer need to have an engineer come out to your house and replace your prepayment meters with standard ones – suppliers can simply change it remotely. So if you are eligible and want to switch to a standard credit meter, this is done with a simple click of the button.

  • You'll be more in control of your usage and spending. You'll be able to see it in 'real time' on your in-home display.

  • It's much easier to check how much credit you have left. The in-home display will also tell you how much credit you have left, so you no longer have to go to the meter to check. Some suppliers also have mobile apps that can talk to your smart meter, so you can check on your phone.

To see if you can get a smart prepayment meter, contact your supplier, or for more info, see our Smart Meters guide.

Can you switch from a prepayment to a standard meter for free?

Most big energy suppliers – British Gas, EDF, Ovo and Scottish Power – will let you move from a prepayment meter to a standard meter for free. Some other suppliers also offer to do it for free, though some may charge, so always check first. If your supplier does charge, you can always consider switching to one that offers it for free.

To move off prepay, nearly all suppliers require you to have paid any outstanding debt on your energy account and be credit scored, so they can see if there's a risk you won't repay. Of the big names, only EDF says it won't credit check you, though it does require you to pay off any debt first.

  • The big suppliers' eligibility criteria to switch to a standard credit meter

    British Gas You'll need to pass a credit check and can't have had more than £50 debt in the last 12 months.
    E.on Not able to offer it at this time. N/A
    There's no credit check, but you'll need to clear any outstanding debt. No
    Ovo You'll need to pass a credit check. If you fail the check, it will ask for a security deposit (amount calculated on an individual basis), which will be retruned if you leave Ovo. Yes
    Scottish Power Pass a credit check and have an account review. If you fail the check, it may ask for a £150 deposit per fuel, which will be returned after a 12-month period of good repayments. Yes
    Correct at March 2024.

Standard prepay prices are now cheaper than Direct Debit – but you may still want to switch as fixed deals return 

Under the new Price Cap, prepayment households on standard tariffs pay a typical £1,643 a year (using Ofgem's new, lower typical use figures), compared to £1,690 a year if you pay by Direct Debit – about £47 LESS.

But the benefit of switching to Direct Debit is that, in the past, those on standard credit meters generally had access to more fixed deals, which offered much cheaper rates. So this may be worth looking out for as energy suppliers bring back competitive fixed price contracts. Check our Should I fix? guide to see what's currently available.

Or perhaps you just want to switch so you don't have to worry about topping up your meters – though make sure you pay by monthly Direct Debit, as paying on receipt of bills is much more expensive than prepayment.

Quick questions

  • Will I have to pay for the meter if I change supplier after getting a standard meter?

    The provider may charge you for the free meter if you switch away to a different supplier before 12 months have passed, so it can recoup its costs.

    It can't dictate which tariff you opt for though, so make sure to check its cheapest tariff.

  • What's to stop me getting into debt on a standard meter?

    Prepayment meters do have one advantage – they help you budget. You know what you're spending, when you're spending it, and it's an incentive to keep energy usage down.

  • Is it worth paying for a standard meter?

    While most suppliers don't charge for changing your meter, some do. If yours does charge, it's probably not worth switching to a standard meter right now, as from 1 April, prepay customers are paying on average £47/year less than those paying for their energy by Direct Debit (for the same usage).

    However, those on standard credit meters are likely to benefit from more competitive deals when cheaper fixed energy deals return, so this is worth considering if you're thinking of switching from a prepayment meter.

  • Receive benefits or have a medical condition? You may be able to switch via alternative methods

    If you haven't been able to get a standard credit meter for free and fit into either of these groups, it may still be possible to swap.

    • Get certain benefits? A Government scheme, Fuel Direct, lets you pay your bills directly from your benefit allowance. To be eligible for the scheme you have to receive certain benefits.

      Energy suppliers may agree to remove a prepay meter if you agree to sign up to Fuel Direct. None have confirmed this and they say it's decided on a case-by-case basis, but it's worth a try.

    • Medical condition? According to charity Citizens Advice, if you have mobility problems or are reliant on electricity for medical reasons, for example, to run breathing apparatus, you may be able to get your prepay meter removed.

  • How can I improve my credit history for a better shot at getting a standard meter?

    With most providers, the key is ensuring you're free of energy debt. After that, you need to make your credit score look as good as possible – see how to Improve your credit score guide for more help.

Renting? You'll need your landlord's permission to switch meter 

If you want to change from a prepay to a standard meter, then it's best to get written permission from your landlord first. It could be seen as changing the property from its original condition, unless you arrange to change the meter back at the end of the tenancy, which suppliers may charge you for.

If you just want to switch suppliers, you don't need to get permission from your landlord to do this, but it's a good idea to let them know so they're aware, as it will affect future tenants. However, due to the energy market crisis, it's unlikely you'll be able to save by switching supplier right now.

Quick questions

  • My tenancy agreement says I can't switch, help!

    Even if you pay energy bills to the supplier, but your tenancy agreement says you can't switch, challenge it. Preventing a tenant from changing energy suppliers may be viewed as an unfair term in a tenancy agreement. Speak to Citizens Advice to see if it can help.

    If there's a default supplier clause in the tenancy agreement – where a landlord has a tie-in with a particular supplier – Ofgem says you can still switch.

    Ofgem's guidance states: "If a tenant is directly responsible for paying the gas and/or electricity bills, they have the right to choose their own energy supplier and the landlord or letting agent should not unreasonably prevent this." See the Ofgem website for more.

    Tenants can also print out our factsheet to give to landlords. It explains the rights that renters have to switch energy supplier.

  • You may be eligible for free insulation or a free boiler

    Tenants can also get free insulation and boilers, as long as they meet suppliers' eligibility criteria and have permission from their landlord.

    You may be able to qualify if you live in a property with an EPC rating of E to G and:

    • Someone living at the property qualifies for certain benefits, such as pension credit, universal credit, child benefit (subject to income limit), income support and housing benefit. See the full list of qualifying benefits; OR

    • You live in social housing, or are considered by your local council as being on low income (total household income under £31,000 a year) and vulnerable to the effects of living in a cold home.

Top tips if you have prepayment meters

If you can't switch away from a prepayment meter to save cash, then these tips will help you make sure you use prepay the right way.

  • It's not just how you pay, but how much you use. Cutting energy is a mix of big and little things.

    Turn down the thermostat and wear jumpers, defrost the fridge and check it's not on too high, turn lights off when you leave a room, use energy-saving light bulbs and don't leave electrical goods on standby.

    We've put together a huge list of Energy Saving Tips as well as Energy Mythbusters for loads of ideas and inspiration to help you cut back your energy usage.

    Smart thermostats can also help some save on their energy bills. These gadgets give you greater control over your home's heating, letting you adjust it on the move via a mobile app or online, and set more complicated heating schedules than your traditional thermostat.

    They can be pricey though, so see the Smart Thermostats guide to check if they're right for you.

  • If you're going away, you need to leave enough credit on the meter to cover the daily standing charge, even if usage will be low. Otherwise you may find your credit runs out and appliances switch off while you're gone.

  • If you've moved into a home with a prepayment meter, tell the existing supplier immediately and don't use the old tenant's top-up card.

    Otherwise you may end up having to pay someone else's debt just to get an energy supply. The supplier must, under a code of conduct, reset the meter as soon as reasonably possible.

  • Lose your card and you'll usually be charged around £10 for a replacement. Any top-ups you've already made should be transferred to the new card.

  • If you've got a traditional pay as you go meter, you can top up by taking your gas or electricity key or card to your nearest Payzone or PayPoint, which is usually a local shop, or at the Post Office.

    But if you have a smart pay as you go meter, you can also top it up online, by text, over the phone or via a mobile phone app. Check your supplier's website or contact it for full info.

  • You don't need to send a meter reading in if you have a prepayment energy meter.

    The purpose of giving a meter reading is to stop your supplier from guessing your usage – with prepayment meters you pay for your energy as you go, so there's no need to supply this.

  • The table below shows the average unit rates per kilowatt hour (kWh) and standing charges per day (these vary by region) under the new Price Cap (from 1 April to 30 June 2024).

    You can see the full region-by-region unit rates in our Energy Price Cap unit rates guide. 

    What are the standing charges and unit rates for gas and electricity on a prepaid meter?


    Previous Energy Price Cap

    rates from 1 January to 31 March 2024 (1)

    NEW Energy Price Cap

    rates from 1 April to 30 June 2024


    Unit rate: 7.24p per kWh

    Standing charge: 33.32p per day

    Unit rate: 5.82p per kWh

    Standing charge: 31.43p per day


    Unit rate: 28.17p per kWh

    Standing charge: 55.53p per day

    Unit rate: 23.72p per kWh

    Standing charge: 60.10 per day

    Rates and standing charges are averages, which vary by region. Assumes payment by prepayment meter and includes VAT (at 5%). (1) The Government has added a small subsidy on both gas and electricity standing charges to make sure those on prepay won't pay more than those on Direct Debit.

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