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Founded in 2001 by current CEO Doug Stewart, Green Energy UK (also known as GEUK) is the first supplier of 100% certified green gas on these shores. Along with its renewable electricity, this makes it the country’s first supplier to provide energy entirely from renewable sources. Read about this and more regarding the sustainable energy supplier.

As just one of many sustainable energy companies out there these days, Green Energy looks to stand out from the competition by not only offering renewable electricity, but also green gas, sourced from biomass and anaerobic digestion to help its customers reduce their carbon footprint.

However, its green credentials come at a cost. Green Energy UK is exempt from the Ofgem price cap due to its support and investment in renewable energy. This could mean customers pay higher prices.

Read on to view Green Energy UK tariffs, find out where it sources its energy from and see how the supplier stacks up against the competition.

Tariffs and prices

Green light bulb

Green Energy UK currently offers two fixed price tariffs for domestic customers, meaning that the cost of your energy will remain the same for the duration of your contract, even as the wholesale market price fluctuates. Both tariffs are available as either electricity only or as a dual fuel package.

When it comes to payment, Green Energy UK offers both fixed and variable monthly Direct Debit options. The fixed payment is an annual energy usage estimate split into 12 equal monthly payments, while a variable monthly Direct Debit charges you for exactly how much energy you have used, based on meter readings at the end of the month.

The tariffs below are offered for both single-rate meters and dual-rate meters, such as Economy 7 or Economy 10. One thing to keep in mind when comparing is that Green Energy UK is exempt from the Ofgem price cap and therefore its tariffs tend to be on the more expensive side compared to other suppliers.


The EKOenergy label was created by a global network of environmental NGOs which aims to hold back the tide of climate change and also tackle energy poverty by funding sustainable energy projects which benefit communities in the developing world.

The EKOenergy global climate fund has so far been used in projects such as installing solar panels in Myanmar refugee camps and building wind turbines to produce power for off-grid villages in Nepal. For every Megawatt Hour (MWh) of energy produced on the Green Energy UK EKOenergy tariff, a 0.10€ donation is made to these projects.

Business Energy

Green Energy UK also offers 100% renewable commercial tariffs for enterprises from microbusinesses through to multisite corporations.

Rather than offer fixed-term tariffs, Green Energy UK tailors a renewable energy plan to suit the specific needs of the business. Once signed up, businesses are free to display the Green Energy UK accreditation logo on their website, marketing material and premises as proof of their sustainable credentials.

Fuel mix

Green Energy UK’s main selling point is its 100% green gas and electricity, as the first supplier to provide both in the UK.

(UK average = coal 5%, natural gas 41%, nuclear 19%, renewables 33%, other fuels 2%.)

While its electricity comes from renewables such as hydro, solar and wind, Green Energy UK’s gas is sourced from anaerobic digestion and biomass produced from organic material such as wood, plants and animal waste.


Customers can use their Green Energy UK login to access their online portal to

  • Make payments
  • View bills
  • See energy usage
  • Send meter readings
  • Manage Direct Debits.
  • Make a payment
  • View billing history
  • See energy usage

For users logging in for the first time, your username is “GE” followed by your account number, for example: GE123456.

If you’ve forgotten your Green Energy UK password or username, you can reset your details by clicking on the relevant links.

You can also submit meter readings without using your Green Energy UK login on the supplier’s website by simply entering the following at the login page:

  • Name
  • Account number
  • Postcode
  • Email address
  • Reading date
  • Gas reading
  • Electricity reading
  • Meter type

Extra services

As well as providing 100% green gas and electricity, Green Energy UK offers its customers a few other benefits.

Smart meters

Like most suppliers, Green Energy UK is involved in the smart meter rollout, with the government’s commitment to installing the devices in most homes by 2024. When you sign up for a Green Energy UK tariff you will have the option of having a new SMETS2 smart meter installed for free, depending on where you live.

An engineer will install one smart meter for each fuel. The SMETS2 meters also come with an in-home display (IHD) to detail how much gas and electricity is being used and an indication of how much it is likely to cost.

Priority Service Register

The Priority Service Register is an initiative for vulnerable customers who may need a helping hand, such as those who are elderly, have a registered disability, have a visual or hearing impairment or suffer from any other long-term health issues.

Customers that sign up for the Priority Services Register can benefit from the following:

  • Account information and bills in accessible formats, such as large type, braille and audio tape.
  • Priority support in emergencies.
  • Advance notice of any planned power outages.
  • Account statements and bills sent to a nominee, such as a family member or carer.


When taking a look at a supplier, most people tend to focus on price as a main factor. While Green Energy UK may be a 100% green company, that does not always mean they will be the most competitive on price.

It’s worth noting that due to Green Energy UK’s investment in renewable energy, it is exempt from the Ofgem price cap meaning that there is potential to be charged higher than other companies that are regulated to a maximum price they are allowed to charge.

Ofgem complaints data

Next, let’s use Ofgem’s publicly available complaints data to see how Green Energy UK deals with customer complaints compared to other similar-sized suppliers. Ofgem measures the year in quarters, so we’re going to do the same for our comparison, using the last four months of 2020 for our data.

When it comes to customer satisfaction, Green Energy UK’s users seem a content lot, with only 4 complaints logged per 10,000. This comes in at the lowest number of complaints among the companies we analysed.

In summary

  • 100% green gas and electricity
  • Prices not regulated by Ofgem price cap
  • Satisfied customers
  • Investment in climate projects

How can I contact Green Energy UK?

You can contact Green Energy UK by phone, email, post or social media. Read on for all the relevant contact information.

Green Energy UK emergency contact numbersIn case of emergencies, you should contact the following emergency lines, rather than your supplier:
Gas Emergency: 0800 111 999 (freephone, lines open 24/7)
Electrical emergency or power cut: 105 (free to call from most landline and mobile numbers, lines open 24/7)

Green Energy UK customer service

Whether you need to submit a meter reading or change your Direct Debit details, for all Green Energy UK enquiries you should call 01920 486156 between 8am and pm from Monday to Friday.

Moving house with Green Energy UK

Whether you're moving home with Good Energy UK or you've just moved in and it's already the incumbent supplier, you're going to need to contact the provider to let it know.

Moving Out

Moving boxes

If you’re moving home and signed up with Green Energy UK, you should let the provider know as soon as possible, either by giving its customer service team a call on 01920 486156, using your Green Energy UK login to access the online portal or sending an email to [email protected].

Don’t forget to make it clear in the subject heading that you are moving house when sending an email.

If you’re moving house, it’s always best to give your energy provider as much notice as possible, up to 28 days prior to the move-in date.

When you do contact Green Energy UK, you should have a few things to hand, to speed up the process.

  • Your Green Energy UK account details
  • Moving date
  • New home address
  • New home phone number, if applicable
  • New occupant’s name, for future bills

You’ll also need to submit the final meter reading for your moving out day.

Moving In

If you’ve just moved into a property that is already signed up with Green Energy UK and would like to have the provider continue to supply your gas and electricity, you should get in touch as soon as possible, to move from the more expensive standard variable rate to a fixed tariff.

The best way to do this is either by calling Green Energy UK on 01920 486156 or emailing [email protected] with the following details:

  • Your name
  • Phone number
  • Address and postcode

Green Energy UK business energy customers

As a commercial energy customer, Green Energy UK will provide you with an account manager and direct line, so you should refer to your welcome pack or any other correspondence the supplier has sent you for their contact details.

If you’re not yet a customer, but considering if Green Energy UK is right for your business and would like a quote, you can call 01920 483043 or email [email protected] for more information.

Green Energy UK complaints

If you’re a Good Energy UK customer and not satisfied with the service provided by your supplier, the first port of call should be its complaints team by phone on 01920 486156 or email at [email protected].

The supplier will look to resolve the issue within five working days. However, if you are still not satisfied with the outcome following this, you can escalate your complaint by writing to the Green Energy UK directors at:

The Directors
Green Energy UK plc
Black Swan House
23 Baldock Street
Herts SG12 9DH

If you still cannot come to a satisfactory resolution after eight weeks, Green Energy UK will send you what is known as a ‘deadlock’ letter. From here you can refer your complaint to the Energy Ombudsman.

blue telephone

Energy Ombudsman Contact Number
Please check with your provider if you don't know how much a call will cost.
Telephone: 0330 440 1624
*Monday to Friday: 8.00am-8.00pm, Saturday: 8.00am-1.00pm
(Closed on bank holidays)

If you would prefer to submit your Green Energy UK complaint in writing to the Ombudsman, you can do so at the following address:

Energy Supply Ombudsman
PO Box 966

Contact Green Energy UK by mail

If you’d like to get in touch with Green Energy UK by post or arrange a meeting in person, its head office can be found at:

Green Energy UK plc
Black Swan House
23 Baldock Street
SG12 9DH

Green Energy UK on social media

In addition to its email and phone-based customer service teams, Green Energy UK’s team can also be contacted on social media, with channels on Twitter, Facebook, LinkedIn and YouTube

All Green Energy UK contact information

Green Energy UK contact information
Department Contact number Contact email
Customer Services 01920 486156 [email protected]
Business Energy Enquiries 01920 483043 [email protected]
General enquiries 01920 486156 [email protected]
Complaints 01920 486156 [email protected]
Gas Emergencies 0800 111 999  
Electrical emergencies and power cuts 105  

Disclaimer: The services and products mentioned on this website may only represent a small selection of the options available to you. Selectra encourages you to carry out your own research and seek advice if necessary before making any decisions. We may receive commission from selected partner providers on sales of some products and/or services mentioned within this website. Our website is free to use, and the commission we receive does not affect our opinion or the information we provide.

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Need a Better Deal on Gas and Electric?

Find out how much you can save with EDF Energy today