E.ON UK Reviews 65,591

James from Team Derry FSD36 was brilliant regarding a complicated and awkward matter, he was polite, informative and helpful. Thankyou James, appreciated 🔥

My brother had no electricity for a week and they still not come out to fix it

I was an EoN customer for so long I cannot remember how long. We moved home in October and I can say hand on heart we would not have bought the house knowing the issues we’d have with octopus energy the supplier once said we wanted to go to EoN. All delayed by faulty meters and rogue practices and a bill of £400 per month. They are the worse organisation ever. They bullied harassed and overcharged us sadly the energy ombudsman is no better they are corrupt also. It’s took us 5.5 months to get back to EoN. I’ve been dealing with escalated complaints. A decent guy I thought but now they are blindsiding me. They don’t respond to any emails. The energy ombudsman has gone to ground and the guy there won’t speak and won’t give me information or call me back, octopus won’t give me complaints number or engage and are still bullying us and now EoN who we were loyal to won’t help us. I have begged …pleaded and asked for help from the guy who assisted us at EoN but blind sided … I missed a call back but he just ring engage and I’m having a baffling conversation on their WhatsApp as he’s refusing to talk to me ……so I think we will move again but we are trapped into EoN …. I am disabled. We simply need help to complete our move queries. Bitterly disappointed and abandoned by EoN who we thought were much better than octopus who are cowboys. Don’t get me on Energy Ombudsman. They must be paid by that man Greg Octopus. Look at the unprompted reviews not the smooshed ones .

After being with Eon for years we moved to a smart meter as they said we had to. We live in a 2 bedroom flat and topped up £50 Saturday morning, by Monday morning we were £9 in arrears, so topped up another £50.
I queried with customer service why so much money was used when we averaged £4.50 per day. After giving me the run around for a day, back and forth communications, they still asked me what i wanted - all i wanted was a simple explanation as to why the £50 credit disappeared in 48 hrs. This was my opening question and asked 3 times more.
We had family visiting and were hardly in the property, we didn't use the washing machine which would usually push daily spends up to about £7.
After becoming frustrated that they could not answer the simple question - we have now switched supply to Octopus, very easy to do and now we are paying £15 per week.
Every cloud has a silver lining. We were robbed but now we have experienced how easy it is to switch, we would recommend to everyone, to just look into it.

My experience with E.ON Next has been nothing short of appalling, and I strongly urge others to avoid this company.
They appear to use misleading or unclear terms to attract customers initially, giving the impression of fair pricing and reasonable conditions. However, once you are signed up, the reality is very different. My direct debit was abruptly increased — effectively doubled — without any credible justification.
When I challenged this, I was told my energy usage had increased. This is categorically untrue. My usage has remained consistent, and their own earlier estimates contradict this claim. It raises serious concerns about the accuracy and integrity of their billing practices.
Rather than properly investigating or providing transparent evidence, they resorted to generic responses and failed to take accountability. This behaviour feels deceptive and exploitative, particularly during a time when energy costs are already a major concern for households.
This is not just poor customer service — it points to a wider issue of trust and fairness.
In my view, this is a company that customers should be very wary of. There are far more honest and transparent energy providers out there.

Please be so careful when having a smart meter fitted. We had one fitted at the property we bought and the Eon representative has removed the bonding that kept our house safe.
When I contacted them to say this needed making safe they told me that it was my responsibility and at my cost. Search the forums online and you will see I’m not the only customer who has had this issue.
I don’t have the money to fix this yet so my family (including a disabled child and cancer patient) will now have to hope we don’t get electrocuted if something goes awry without our knowledge.
I wish I hadn’t of had them out to us, we had a safe house before they visited and they are not interested in rectifying their destruction.

Lived at a property for four years with my husband who always paid Eon by direct debit at £155 a month. He was in credit with them when he suddenly left me in November. I rang up and took over the bills and somehow they billed me for £756 saying that's what I had apparently used in the two months I remained there before moving into my new home, when it was just me, even though previous bills had never remotely been this high. I've obviously disputed and I'm still trying to dispute this three months later. Absolutely shocking! My new property I've been using less than £100 a month doing everything I was in my old home.

Disreputable and dishonest. Whilst they set the original tariff, (most likely to entrap) they have attempted to raise almost quarterly and raise far above what the normal monthly charges occurred are. Their substandard 'help desk' does nothing but regurgitate hollow platitudes with a threatening and menacing overtone. Much better to pay slightly higher tariffs with reputable and more established companies.

Perfect! No mess, no hassle, fast installation of both gas and electric smart meters. Engineers were really nice. Highly recommend this company

Smart meters need to be fixed/replaced as they were no longer sending readings. Kieran, the engineer, was extremely knowledgeable and efficient and sorted everything out.

Great service today from a very friendly engineer. He came to change my meters from 3G to 4G. Very knowledgeable and kept me informed. Cleaned up after himself and read through the leaflets with me and the new smart meter before leaving.

My HIU system is broken and therefore my bill has over doubled by by price and they don't want to come fix on a Saturday because it's not an emergency and during the week they cannot give a 2hr window which is very inconvenient for people who don't work from home

The worst customer service ever.
So, meter not working, who owns the meter eon does, display not working for 4 month, been reported 6 times told me its not there issue but northern grids,
Eon’s meter so why wont they just swap it,
Been getting estimate bills unable to get actual bills.
😡

I’m having the worst experience as customer I have ever had. They sent me a bill which was too high and I have been contesting it for over two months. In this time, I have spoken to countless of customer service agents over phone and email, however, every single one of them has said the same thing: “I’ll get back to you”. In the two months this has been going on, I have submitted multiple readings and conducted multiple tests but they has still ignored my emails and I can no longer get through to anyone on the phone. They have sent emails to say about late fees and debt collection agencies despite this being contested. Overall, I would not recommend and as soon as this ordeal has concluded I will be moving to Octopus Energy!

This is now my third complaint about E.ON, and the second time their accounts team has made a serious mistake.

I switched suppliers in December 2024. In January, E.ON took a direct debit in error, which they later refunded. After that, I heard nothing further and was under the impression my account was fully settled and closed.

Fast forward to now (April 2026), and out of nowhere I receive a letter demanding £155.44 by 30th April, claiming I have an outstanding balance of £630, with threats of it being passed to debt collection.

Naturally, I called immediately in a panic. The first advisor I spoke to was extremely rude and simply told me I had to pay, saying if there was an issue they would “refund it later.” When I asked to raise a complaint, the call conveniently disconnected.

I then had to call back on a chargeable number, where a second advisor explained that their team had already been looking into the account, but it is now being reviewed again due to the time that has passed. I’ve been told this could take up to 21 days, and thankfully my account is now on hold during this time.

However, how is it acceptable for a company to suddenly demand over £600 from a closed account nearly two years later, especially when they previously confirmed the balance was settled and even issued a refund?

This has caused unnecessary stress and worry, and judging by other reviews, I am clearly not the only person this has happened to.

Extremely disappointing experience.

Had issues with meters and Andy came out from EON and sorted it all out, and updated them and changed one of the meters. Lovely chap very pleasant, knew his stuff and answered any questions I had. Cannot fault the service he provided.

This company is charging me even my account was closed on March 12, 2024. They even pass it yo collection company. Last payment made 25th of March 2024. We left the house 12th of March as I sold my house and move to New Zealand. How reckless this company…My name is Jerrymie Angon mobile number is 07769697670. I want them to be in contact with me and call this collection team to stop sending letters on my Aunt address.

I initially gave a 1 star review, I have now revised this to 5 stars. My issue has been resolved with some help from Shane at Eon
Thank you

For some reason, my bill that covered February to March was split in two. I didn't notice at first that my first bill only contained my electricity usage during that time. So I shifted my money into my bill paying account, and then sorted my budget for the month.

Then, a couple of weeks later I get a second bill. I was confused by this and reviewed my bills, and that's when I noticed my electricity and gas usage for February-March had been split into two seperate bills. Because of this, I hadn't budgeted for the unexpected bill that they want paying in the same month of the previous bill.

I reach out to e.on customer service to find out why they messed up my bills like this, but they kept telling me this was because of the price rise on 1st April, which had nothing to do with my two bills or what I was asking them about.

Furthermore, I'm on a fixed tarrif until May, so any price change doesn't affect my bills anyway.

I tried several times to explain this and get them to answer my actual question, but they just kept parroting the same incorrect information

I asked to make a formal complaint and requested a complaints reference number, but they have ignored this request even though I've made it several times.

This isn't even the first time they've missed up my bills, but they're being just as unhelpful about it.

What an awful energy company to deal with. I've had numerous bad experiences with them ranging from miss information on gas and electric on their app to more recently signing up for solar and battery installation, which is the worst decision i could have made. They miss-sold me on a couple of aspects, took my deposit and decided that was the time to say there is going to be a delay in installation. I'm now trying to cancel, but can't get through to anyone on email or phone. Their customer service head needs removing from the business as clearly the guidance given to staff is to bring in money and ignore anything else. To add to all this frustration their app is terrible to use and will regularly log you out and ask you to sign in when you've already enable biometrics, and randomly add other plans to your account and up until recently you'd have to wait months to see your energy usage even on a smart meter.