E.ON: Reviews, Energy Tariffs, Login & Contact



E.ON are the UK's third largest energy supplier with around 7 million customers. Despite their huge market share, E.ON customers are some of the least satisfied of all the UK Big Six energy providers, with scathing reviews and terrible ratings on online review websites.

E.ON at a Glance

  • Electricity: 16.6% renewable
  • Based: Coventry
  • Founded: 1989 (Formerly Powergen)
  • Customers: 7 million (2018)
  • UK's 3rd largest energy supplier
  • Invested £2.4bn in renewable energy
  • 3rd most complaints of Big Six
  • Terrible reviews on Trustpilot (0.8/10)

About E.ON

Originally, E.ON was an entirely public utility company: Powergen was founded in 1989. It was partly privatised in 1991 (60%) and the remaining shares were sold to private investors in 1995. German energy company E.ON bought Powergen in 2002. Two years later, it was rebranded as E.ON UK.

A member of the German group E.ON, E.ON UK employs 9,400 people in the UK and made £3.72 billion in net income (2017), after three years firmly in the red . The company supplies electricity and gas to over 7 million residential and business customers and also offers boiler replacement, solar panels, battery storage and electric vehicle charging services.

E.ON Energy Reviews

The customer feedback from surveyed review sites is generally poor when it comes to E.on’s ability to resolve general billing and service issues. Trustpilot, a popular review site for all kinds of companies, received almost 2000 reviews from customers. Only 10% of those were positive, ranging between Excellent and average, which is pretty poor showing, even within the energy industry.

What customers say about E.ON

Here at theSwitch, we put EON reviews under the microscope to find the most common threads. It’s not that E.ON can’t be helpful on occasion, such as when things go wrong with boilers for example, but one common issue is a lack of clarity around Direct Debit pricing. There are many customers who cite direct debit increases that come out of the blue and that do not account for seasonal variation affecting energy use.

E.ON is helpful when things go wrong

“When our boiler stopped working, I was happy to discover that we were eligible for a new one.”

Despite this, some customers were able to find fairly decent tariffs such as the E.ON Age UK tariff which has proved to be competitive against other suppliers. While some tariffs have acceptable unit rates and standing charges, these cannot rectify the poor advice given by some poorly trained EON support staff. One notable example is when several customers on fixed tariffs were told they couldn’t switch away during the 49-day cooldown period mandated by OFGEM. Not only was this patently false but also borderline fraudulent since it deprived customers of their established right to pick their energy supplier. It was widely reported by several media outlets and commentators such as Martin Lewis.

“As a pensioner, I find the E.ON Age UK two-year fixed tariff relatively competitive compared to the other suppliers.”

E.ON customer care has proven to be responsive to a small cadre of their energy users but not enough to push the needle towards a better score. In fact, even satisfied customers point out that follow through isn’t necessarily consistent even when good service does occur.

“My phone queries get answered and when they can’t, E.ON customer care investigates further and usually gets back to me.”

Selected negative reviews about E.ON

E.ON is better at getting paid than paying people back. This issue directly correlates with the direct debit increases EON seems to be fond of. While any energy provider who overcharges their customers through direct debit doesn’t get to keep the money, they do end up causing unnecessary hardship to customers who are on a budget.

“With E.ON, it took three months before I was paid back what I was owed.”

General energy consumption ebbs and flows throughout the seasons and this means that bills will be higher overall in the winter than they are in the summer. However, EON (and some other Big Six companies) seems to base their direct debit amount on peak energy consumption rather than a more reasonable yearly average.

What this means for consumers is that they overpay for most of the year, accruing a surplus credit on their EON account. Normally, companies should send an end of tariff statement that informs the customer of this positive balance and how to easily recover their money.

However, there are too many cases, especially with companies with pitiful service like E.On, where customers have to take matters into their own hands to get the money they are owed back, as evidenced by all the accusatory comments on review sites.

While the Smart Meter rollout, in which EOn is participating, will minimize the occurrence of inaccurate monthly direct debits. There are other companies, such as Tonik Energy in Birmingham, that have taken the lead in remedying the situation by offering interest on positive balances as a reward for their customers.

Aside from billing, E.ON also seems to have trouble meeting their customers in the middle when it comes to installation or repair appointments, many have found that the hours the company offered were incompatible with working life.

“I gave E.ON dozens of dates that suited but kept getting offered dates and times that are incompatible with work. Few people can stop working in the middle of the day.”


Through 2014’s first quarter (Jan-March), customers sent E.ON 239,440 complaints. Of these, 232,014 complaints (87.8%) were resolved in less than a day. While this may seem impressive, this is a fairly standard figure across most energy providers.

It’s worth noting that complaints are not the same as frontline customer service. Since complaints resolution is tracked by OFGEM, it is in EON’s interest to resolve the majority of them since if they don’t they could find themselves in breach of energy industry regulations.

Most complaints are about customer service (42%), though almost a third (29%) were about bills and letters. The remaining complaints concerned metering (13%), payments (12%) and systems (2%). Compared to other Big Six suppliers, E.ON is the quickest to resolve complaints within the next working day.

E.ON Tariffs and prices

The following table shows average E.ON energy prices (broken down into their unit rate and standing charge) by tariff as of June 2019. Standard comparison rates place E.ON in a positively average position when it comes to electricity and gas prices, very much middle of the road in terms of energy cost.

Tariff Conditions Average cost duel fuel
E.ON Energy Plan - Variable tariffs
- No contract end date
- No exit fee
Gas standing charge
26.513p per day
Gas unit rate
4.279p per kWh
Electricity standing charge 21.872p per day
Electricity unit rate 18.428p per kWh
E.ON Fix Online v20 - Fixed tariff rates for 1 year
- £60 exit fee (£30 per fuel)
- Online only management
Gas standing charge
23.216p per day
Gas unit rate
3.445p per kWh
Electricity standing charge 15.288p per day
Electricity unit rate 15.803p per kWh
E.ON Fix 2 Year v3 - Fixed tariff rates for 2 years
- Must agree to Smart Meter
- No exit fee
Gas standing charge
23.489p per day
Gas unit rate
4.279p per kWh
Electricity standing charge 18.302p per day
Electricity unit rate 18.428p per kWh
EON Fix and Drive v6 - Fixed tariff rates for 2 years
- £60 exit fee (£30 per fuel
- Must accept Smart Meter
- Reward for registered EV owners: £30 for every 850 miles travelled.
- Renewable Electricity and Carbon Offset gas
Gas standing charge
26.513p per day
Gas unit rate
4.279p per kWh
Electricity standing charge 21.872p per day
Electricity unit rate 18.428p per kWh

This is a small selection of tariffs that Eon makes available to its customers. It’s worth noting that the tariff with the lowest standing charges and unit rates is the Fix Online v20 one which requires customers to stick with EON for one year or pay £60 if they leave before the cooling off period is in effect.

We strongly recommend that any household that is choosing E.ON, in spite of their subpar customer service and decidedly average pricing, go with the variable direct debit option to avoid the billing pitfalls that the fixed monthly direct debit has, as evidenced by customer reviews. You get access to the same lower rates but avoid the hassle of likely billing errors.

E.ON Fuel Mix

E.ON’s fuel mix relies on natural gas (53.5%), but offers a fairly low proportion of renewable energy (16.7%) in terms of their standard tariffs.

The Fix and Drive tariff listed above does have 100% renewable backed electricity but it is more expensive than some of the other tariffs. The practice of making renewable energy tariffs a premium product is increasingly suspect because wholesale renewable prices are in line with electricity from fossil fuel power plants.

In fact, even the cheapest tariff from the above list (cheaper by about £200 a year based on average energy usage figures) gives you the option to go green for only £2 a month (or £24 a year). So the question remains, why is EON charging a couple of hundred pounds more for the privilege of a green tariff when they will buy the requisite REGOs to greenwash your energy consumption for fraction of the cost?

Surprisingly, however, E.ON is a major investor in renewable energy infrastructure and have invested more than £2.4 billion in wind farms and biomass power stations across the UK.

As of 2018, E.ON owns and operates a total of 16 onshore and offshore wind farms and two biomass power plants.

E.ON Account Login

E.ON energy customers can access their bills and account online on the company's website. However, to benefit from these features, they must first be able to login successfully.

1. Getting to the Eon Login page

There are two main ways to easily find the login page if you’re already an E.on customer:

  • You can use a search engine such as Bing and Google by entering a search term like ‘Eon Energy login’. A link to the active login page should appear within the first few search results.
  • From the Eon homepage, you can easily get to the login screen by clicking on the red ‘Login’ button, third from the right along the top strip of main menu items.

If you prefer, you can also click the button below to be redirected to the E.ON login page.

Login to your E.ON Account

2. E.on account login information

You can’t just waltz into your account details by clicking on login. You will need to enter a couple of details in order to successfully view your personal E.on account page.

  1. Email address or username: this is what will identify your account during the login process.
  2. Password: getting it right down to the last letter, number or punctuation mark is the key to successful access.

Did you forget your password?

If the Eon login page doesn’t like the password you’re entering, then you could have either forgotten it or you could be mistyping it. Either way, do not fret, you will be able to reset your password by clicking on Help me to log in and you’ll be taken directly to a page with several options depending on the kind of help you need with:

  • Forgotten passwords
  • Not being able to get into the registered email
  • Activating your account page to finish your registration

Failing all of this E.on is an energy provider that does have a Live Chat and Online assistant available from their website.

Contact E.ON

E.ON Telephone Numbers

Depending on what topic customers need assistance on, E.ON has several contact numbers available. Operating hours are good compared to most other Big Six suppliers.

Topic Contact number Operating hours
Account enquiries 0333 2024 606
0333 202 4610 (new customers)
0345 303 3040 (prepayment)
Mon-Fri, 8am-8pm; Sat, 8am-6pm
Moving home 0333 202 4643 (prepayment)
0345 303 3020 (credit meter)
0345 366 5976 (smart meter)
Mon-Fri, 8am-8pm; Sat, 8am-6pm
Complaints 0333 2024 606 Mon-Fri, 8am-8pm; Sat, 8am-6pm
Energy efficiency 0333 202 4650 Mon-Fri, 8am-6pm
National Gas Service Emergency Line 0800 111 999 24/7

Contacting E.ON by mail

Letters to E.ON can be sent to the following address:

PO Box 7750

Energy Providers