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Zog Energy is a relatively small gas supplier in Great Britain. Read on to learn more about Zog Energy and why people are abuzz about its lower rates.

Domestic market: Great Britain Affordable prices
Number of customers: Less than 20,000 Good customer reviews
Fuel type: Gas only No contact number
Gas source: Natural gas No online account

About Zog Energy

Zog Energy is an independent gas-only supplier that was started in 2013. It was founded by Andrew Cleveland and Tony Chester in response to the poor customer service and high prices that they found in existing utility companies.

Since its opening, Zog Energy has consistently ranked among the country’s cheapest gas suppliers in the UK. We’ll dive into more about Zog Energy’s prices and customer services.

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Reviews: What do customers think about Zog Energy?

gas flame

The founders of Zog Energy have focused on keeping prices down by using cloud-computing services and lean management systems to help efficiently economically operate the company. Cheap prices sound fantastic, but there are a few things to look out for when signing up.

The first thing is that Zog Energy doesn't have a contact telephone number for customers. While for some people this is no problem, people who prefer communicating by phone may be put off by this. This factor is even more important to consider because they do not have an online account, making some customers wonder - how on earth do I communicate with them when I have a problem?

Despite not having a contact telephone number or an online account for customer care, Zog has generally high ratings on customer review sites such as Trustpilot and Google reviews. The supplier is very proud of their customer service. Its practices are far from traditional and it’s shaking up the way customers interact with their energy supplier.

At the time of writing this article, Zog Energy has an average rating of 4.7 out of five stars on Trustpilot. Out of 160 customer reviews, 90% scored the supplier as either good or excellent. The overwhelming amount of the positive reviews on Trustpilot generally allude to the supplier’s low prices, friendly staff and quick response time.

“I've been with Zog energy for more than 5 years and found them the cheapest and most honest and friendly company to deal with.”

AhmedTrustpilot review

Zog Energy, unlike many other smaller independent energy firms, has managed to maintain its high quality of customer service as it has grown. This trend for maintaining positive customer service is a good sign as many energy companies start with fantastic reviews only to see a deterioration in customer service as they increase in size.

It’s also worth noting that Zog Energy has been certified as a Future 50 company. This award means that Zog has been voted as one of the most innovative and ambitious up and coming companies in Norfolk and Suffolk.

Zog Energy is also a certified ADR (alternative dispute resolution) provider. This means that if you have a dispute with the company, it will be easier to make a complaint and the process can be mediated by an outside body.

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Zog Energy tariffs: Which is the cheapest?

Zog Energy offers five different tariffs. There are four fixed-rate tariffs of varying lengths and only one variable tariff.

Fixed tariffs are generally cheaper than variable ones. With a fixed-rate plan, you’re guaranteed that your gas rates will stay the same for the duration of the contract. This does not mean that the total charge on your bill will stay the same - that depends on how much gas you actually consume.

However, should you wish to leave one of the fixed tariffs before your contract ends, you will need to pay an exit fee. This would be the best option for customers who have no intention of switching often.

How do prices compare to other suppliers?

Through a bit of research, we found that the Zog Mercury 12 v46 plan is not only Zog Energy’s cheapest tariff, but it’s also on the lower end of tariffs currently on the UK energy market. The supplier often tops the list for offering the cheapest gas tariffs along with the following other energy companies:

So which of these companies is the cheapest gas supplier for your home? That depends on where you live and how much gas you consume. It’s always best to get a personalised quote when comparing energy prices if you’re looking for the cheapest option.

Zog Energy login: How do I access my account?

Are you having trouble accessing the Zog Energy customer login page? That’s because it doesn’t exist. As an energy company that only communicates with customers online, it’s odd that Zog Energy does not provide an online account management service.

Most online-only energy companies, such as Pure Planet Energy and Lumo Energy, offer a range of online services such as online accounts and apps.

Zog Energy doesn't have any of these online services. To manage your energy account, you can either send an email to Zog Energy, contact the supplier on Facebook Messenger or write to them by post.

If you just need to submit a meter reading, you can also do so on the Zog Energy website.

Is there a Zog Energy contact number?

Zog Energy does not have a contact number for customers. However, if you find yourself in an emergency situation regarding your gas, there is a number to call that is available 24/7 free of charge nationwide. In the case of a gas leak, you should immediately call 0800 111 999.

For general customer queries or account questions, you can send an email to the gas supplier’s customer service department at

You can also reach out to Zog Energy on social media via Facebook and Twitter, or write a letter addressed to Zog Energy Ltd, IP City Centre, 1 Bath Street, Ipswich, Suffolk, IP2 8SD.

The table below breaks down the different ways you can contact Zog Energy.

Customer service email address
Sales email address
Zog Energy address Zog Energy Ltd, IP City Centre, 1 Bath Street, Ipswich, Suffolk, IP2 8SD

Submit a meter reading

gas meter

Customers can submit a Zog Energy meter reading online via the supplier’s website. To submit a meter reading online, go to the Zog Energy homepage and click on where it says Contact Us in the bar near the top. Then click on the text under where it says Meter Readings in the centre of the page.

You will need to provide the following details for the Zog Energy meter reading:

  • Your account number
  • The postcode for the supply address
  • The gas meter reading (Not sure how? Use our meter reading guide.)
  • The date of the reading

Does Zog Energy use smart meters?

Zog Energy does not yet install smart meters for customers. The supplier plans to start rolling out smart meters later this year. Customers will be notified when smart meters are available in their area.

If you already have a smart meter and you decide to switch to Zog Energy, your meter will continue to work, but it will lose its smart functionality. It will operate as a traditional meter would, and you will need to submit your meter readings manually.

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