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Home » Your energy bill might be wrong – how to get your money back
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Your energy bill might be wrong – how to get your money back

By staff13 September 2025No Comments9 Mins Read

If your energy bill seems unreasonably high, or you’re being charged a large lump sum – even if you seem to be using more units of gas and electricity – you can complain

Displeased couple having problems with paying their bills online at home.
Check your energy bill for any errors(Image: Getty)

Whenever the weather turns and you consider turning on the heating, it’s inevitable that your thoughts will turn to the high cost of your energy bill.

It’s that time of year and my inbox is flooded with people grappling with their energy bills. But many people – myself included – are questioning if the bills are actually correct.

It’s hard to know what to do with an energy bill that seems wrong. The way bills are calculated is ridiculously complicated.

But if your bill seems unreasonably high, or you’re being charged a large lump sum – even if you seem to be using more units of energy – you can complain. Here’s my guide to the main types of energy complaints, and what you can do about them.

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Billing errors

Billing errors are, rather unsurprisingly, the most complained about energy issue by far. Billing errors can be obvious (high bills that make no sense) to more technical (inaccurate calculations due to an over reliance on estimated bills in the past).

Some billing errors are so outlandish they can’t possibly be true. For example, I’ve recently seen many examples of complaints where meter readings people have provided have not been added to their bills. This seems to be because some energy firms allow their computer systems to override actual meter readings if they think they are wrong.

Energy bills are unnecessarily complicated but you don’t have to become an expert to dispute a bill. If it doesn’t seem right, the business should be explaining how your bill has been calculated in plain English. So ask questions like:

  • How is this bill so high over this period?
  • Why has my energy usage increased so much?
  • How many estimates are you relying on?
  • Is this debt balance over 12 months old?
  • What tariff am I on and is it your cheapest option?

Be prepared to provide details of your personal situation too. If you don’t work from home, or live by yourself, you should not be using high levels of energy.

It’s the job of your energy company to look in to any faulty meter issues but they should investigate your complaint fully and respond in writing. Again, if you don’t understand anything in the response ask for this to be clarified.

If the bill still doesn’t seem right, tell the firm you are going to the Energy Ombudsman and ask them to suspend any collections procedures while the matter is being looked in to.

Meter errors

Meters can go wrong for all sorts of reasons. Old age, poor fitting, maintenance, tampering by third parties, not connecting to Wi-Fi in order to transmit data and many more situations.

The first wave of smart meters fitted a few years ago had a tendency to fail, weren’t installed correctly or weren’t transferable to new suppliers. This has left a backlog of millions of meters that need replacing.

Start by reporting your concerns about the accuracy of the meter. You’ll usually be asked to take meter readings every day for a set period – usually seven days.

I’d photo your gas and energy meter dials and send the pics to the firm too. Most energy businesses can check pictures for you to see if they match up with the right reading.

If the readings make no sense, it’s for the energy firm to come up with answers and solutions. This should involve sending out engineers to assess the meter’s performance or even a forensic analysis of your bills.

Credit balance refunds

If like me you’ve racked up a credit balance over summer you might want it back – after all, it’s your money. But how easy is this?Some businesses make it hard to get a refund without phoning them up, which in itself can be a lengthy and frustrating process.

Others don’t let you request credit balance refunds through their apps or even through their websites. One firm told me they can’t refund a credit balance online if you’ve given a meter reading in the last four weeks. Which is awkward, because, one of my top consumer advice tips about energy bills is… to give a meter reading every four weeks.

Don’t give up. Go on to your computer or laptop first to see if you can get the refund rather than the app which will have limited options. Failing that, call the firm and demand your rights. Bear in mind your monthly payment might go up if your credit balance is being factored in for your Winter energy consumption. But don’t take their word for it. Ask them to prove how they are calculating this.

You might want to remind the firm what the regulator says about your right to a refund. As a general rule, it makes sense to have around two months’ worth of payments in credit to get you through the Winter period, if you chose to ask for a refund.

Financial difficulties and vulnerable customers

If you don’t have enough money to cover an emergency when you’ve paid your essential outgoings each month then you meet the criteria for ‘financial difficulties’. That means the energy firm must come up with solutions that meet your needs.

You’ll need to put together a brief overview of your finances. This basic budget only needs to cover the money you have coming in versus your essential or obligated monthly payments.

The energy firm is allowed to ask you for this so they can figure out the best solution to your situation. Make sure you note down if you are worried about losing your job, or a source of money. Have a think about your home situation too. It can help to explain about the needs of your family, who the wage earners are and if anyone has specific needs or could be considered vulnerable or older.

According to Ofgem’s regulations, the energy firm should come up with a tailored plan to meet your needs. You can read what businesses are supposed to do on the Ofgem website. Ofgem says that you can ask for the following:

  • A review of your payments and debt repayments
  • Payment breaks or reductions
  • More time to pay
  • Access to hardship funds
  • Advice on how to use less energy
  • The option to go on the Priority Services Register – a free support service for a wide range of people struggling or who need support

Back billing

Ofgem has a number of rules that businesses are supposed to follow about billing their customers. One of the things that they aren’t allowed to do (but still do) is ‘back billing’. If your energy company sends you a new bill that goes back further than 12 months, they should not be charging you for anything other than the last year.

This is for new bills though. If you have an outstanding debt that you were correctly billed for at the time, the business can pursue it for up to six years. However, if you think you’ve not been treated fairly then you should make a formal complaint.

Not my bill

Have you been billed for energy used by another person or property? You’re not alone. This might occur due to errors, fraudsters, computer problems and far too many other reasons.

This situation can be doubly frustrating because you might have debt collectors chasing you for bills that are nothing to do with you, but you can’t speak to the business because you are not ‘their customer’.

If you aren’t getting anywhere on the phone, make a written complaint and tell the debt collectors that a formal complaint is underway and they should speak to their client and take no action while this is investigated. If the energy firm doesn’t sort things out, the Energy Ombudsman awaits.

Debt collection

Debt collection procedures are often automated at energy suppliers. So you may speak to a helpful person on the phone who assures you your complaint is being investigated, only to get debt collection letters in the post. I’ve spoken to many energy firms who tell me they can switch automated debt collection letters off – so make sure they do.

If you are making a complaint, then tell both the energy business and any external debt collection agency that you are making a formal complaint. Ask them to confirm in writing that the matter will not be pursued while this is investigated with both the energy firm and the Energy Ombudsman. If they refuse, this may support you case when you take it further.

Customer service issues

Customer service issues aren’t always the main thing you complain about, but they can be a big part of a complaint. Most customer service issues involve:

  • Failure to resolve a complaint or help.
  • Being unable to contact the firm on the phone.
  • Not getting a written response to a complaint.
  • The problem is not being resolved.

Don’t let poor customer service get your back up. Calmly note down your experiences – bullet points keep you focused. If you have dates and times of calls and the name of the person you spoke to, this can help too.

Taking things further

Energy businesses are obliged to address all complaints in writing unless you agree otherwise. Their ‘final response’ should set out what they’ve done to resolve your complaint and any compensation that they might be offering. This should also tell you about your right to go to the Energy Ombudsman.

It’s really easy to make a complaint online. Just click on this link and follow the step-by-step instructions. The Ombudsman will ask you to explain the problem in your own words and will ask what you would like to sort things out.

You’ll also be able to upload supporting documents and photographs too. You can also ask the Ombudsman to consider the time and trouble it has taken to make the complaint. You’ll be able to monitor the progress of your complaint through your online account with the Energy Ombudsman too.

If you’d rather have a chat with the Energy Ombudsman, their phone lines are open Monday to Friday 8am until 8pm and Saturday 9am until 1pm. 0330 440 1624.

  • Martyn James is a leading consumer rights campaigner, TV and radio broadcaster and journalist
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