Here at Diverse Energy we understand that it can sometimes be difficult to locate a contact number for your energy provider, so we have done all the research and hard work for you. We provide a call forwarding service whereby we will connect you directly through to the supplier you are looking for to save you time having to trawl the web yourself. Below you will see a summary for some of the UK’s main tier 1 and tier 2 suppliers and you can click through to read more information, reviews and locate the right contact number for your provider.


Ebico began in 1998 as the UK’s only not-for-profit energy company. Right from the get-go the company attracted a lot of attention from the many homeowners buckling under the strain of energy costs, and they still do. Because they weren’t / aren’t driven to mollify the insatiable profit demands of shareholders Ebico are able to offer the same, low price to all of their more than 60,000 customers.

Any company that makes a continuous, good effort to help low income households is going to attract a lot of attention and generate a lot of calls from people looking for more information or wanting to sign up. Ebico are partnered up with SSE who are one of the major big six energy providers in the UK, however this doesn’t affect their low fair pricing strategy.

Ebico currently source their fuel from renewable, coal, natural gas and nuclear with an impressive 37% from renewable energy.

You can call the Ebico Contact Number on 0843 509 2509 Monday to Friday 08:30 – 17:00. Click through from this page to the contact number to find out more information on this energy provider.

M&S Energy

Marks and Spencer energy? Yes it’s true. Venerable retailer Marks and Spencer now offer an energy service. This new venture has been really popular with existing M&S customers and they seem to be making themselves known in the energy industry.

M&S have partnered up with SSE who are also known as Scottish and Southern Energy, they have three tariffs available to customers:

  • M&S Energy Fix & More 2 Year
  • M&S Energy 12 Month Fixed
  • M&S Energy Standard

Even though they only entered the energy market a short while ago they are making good progress and have achieved good customer satisfaction ratings through websites such as Money Supermarket, TrustPilot and

You can call the M&S Energy contact number on 0843 509 2513, lines are open Monday to Friday 08:00 – 20:00 and Saturday 08:00 – 14:00.

GB Energy Supply

GB Energy Supply are one of a rash of new players in the UK energy market having just launched in November 2015. They’ve been working hard to attract new customers by offering some of the lowest priced tariffs out there and by all accounts their strategy has been working. The supply home energy as well as SME energy so supply to small –medium businesses.

You can call the GB Energy contact number on 0843 509 2514, please be aware GB Energy have recently been taken over by Co-operative Energy. Call Centres are open Monday to Friday 08:00 to 20:00.

On our GB contact page we provide information to help you get in touch with them so you can get answers to common questions like:

  • How to manage your account online
  • How to submit a meter reading
  • How to switch to GB Energy
  • How to make a complaint
  • How the Co-operative Energy take over will affect you and your account

First Utility

Although First Utility hasn’t been around very long they’ve nonetheless managed to climb their way to the top of the UK’s 2nd tier energy companies list. Some even say it’s time to change the Big Six to the Big Seven in order to accommodate First Utility. Market positioning aside the fact is the company has grown at an astounding rate, adding some 300,000 new customers last year alone. And while other companies have shown little or no recent growth First Utility show no signs of slowing down.

First Utility don’t generate any of their own gas or electricity themselves they source it all through Shell. What sets them apart from other big players in the industry is that a huge part of their business model is to save customers money with the aim of preventing customers paying for energy they don’t use. Using innovative apps such as First Utility My Energy customers can breakdown daily what they are using their energy on.

First Utility tariffs are simple and straightforward, they have four available to customers with one being a fixed tariff until 2020:

  • First Fixed January 2018 v4
  • First Fixed May 2018 v2
  • First Fixed January 2019 +
  • First Fixed January 2020

You can call the First Utility contact number on 0843 509 2515, lines are open Monday to Friday 08:00 – 18:00.


iSupply Energy, headquartered in Dorset have some of the most attractively priced tariffs on the market. They are passionate about helping customers gain control of what they use their energy on and believe vow to drop pricing if the global price decreases.

They are known to have one of the most easy to use energy portals on the market which is said to make it extremely east to switch, submit energy readings and monitor energy usage. Saying that you may still need to speak to an adviser regarding your account

Common queries are:

  • How to set up a Direct Debit
  • iSupplyEnergy tariffs and charges
  • Cancelling your contract
  • Incorrect charges on bill
  • Understanding your annual energy statement

You can call the iSupplyEnergy contact number on 0843 509 2516, Monday to Friday 09:00 – 17:00.

EDF Energy

EDF is one of the Big Six energy suppliers in the UK as well as being a wholly owned subsidiary of Électricité de France. EDF was originally formed in 2002 with the merger of Seeboard, SWEB Energy and London Electricity. The company are one of the most popular energy providers within the UK are highly competitive with pricing.

The currently EDF fuel mix is made up of coal (14.5%), gas (8.6%), nuclear (64.3%) and 12.3% from renewable. Over the last few years EDF has shown an increased interest in eco-friendly energy and has begun sourcing energy from wind farms and hydroelectricity.

If you need to speak with a customer service adviser about your account you can call the EDF Contact number on 0843 509 2517. Lines are open Monday to Friday 08:00 – 20:00 and Saturday 08:00 – 14:00, they are closed on Sundays and Bank Holidays.

British Gas

British Gas was born by act of law (the Gas Act) in 1972, privatized in 1986 and broken up into several parts in 1997. In spite of all the corporate card tricks the company has grown to become the largest supplier of energy in the UK and one of the largest private employers with 30,000 people in the UK on its current payroll. British Gas is currently the largest energy supplier providing gas and electricity to around 11 million homes in the UK.

British Gas currently has five tariffs available to new and existing customers:

  • Standard Variable
  • HomeEnergy Capped Fixed Until Feb 2018
  • HomeEnergy FixedUntil March 2019
  • HomeEnergy FreeTime (Sat) Fixed Until March 2018
  • HomeEnergy FreeTime (Sun)Fixed Until March 2018

Alongside supplying gas and electric to homes and businesses, British Gas also provide Home Care services in the form of boiler servicing, boiler repairs and insurance. Customers can sometimes benefit from some of these extras free of charge depending on which tariff they are on.

British Gas is currently rolling out energy smart meters to their customers with the aim of all customers having a smart meter by 2020. The purpose of a smart meter is to monitor your household energy consumption so you can analyse how much you spend on washing, cooking etc. The British Gas Smart meters will also say goodbye to estimated bills with only accurate bills being generated.

You can call the British Gas contact number on 0843 509 2518.


EON UK (or E.ON UK as they’re also known) are the British wing of German energy conglomerate EON SE. They may be the most acquired/merged/sold company in European business history having started out as a government owned concern called Powergen and then being privatized in stages, expanding through mergers and acquisitions in the 90s, being acquired by EON SE in 2002 and acquiring and merging with even more companies right up through to the present day.

Today they provide gas and electrical products and services to nearly 6 million households in the UK and are increasingly sourcing their energy from renewable sources. Since 2007 they have invested an impressive 9.5 billion in wind farms, solar and biomass and have vowed that eco-friendly energy sources will be the main focus for the company moving forward.

If you need to get in touch with EON to ask an important question or log a complaint you can click through this post or call the EON contact number on 0843 509 2519.

Sainsbury’s Energy

Following the success of Marks and Spencer Energy the upscale supermarket chain Sainsbury’s decided to enter into a partnership with British Gas and offer energy products to its customers. The partnership has worked well and reviews on Money Supermarket currently rate the company 6/10 for customer service.

Sainsbury’s Energy currently have four gas and electric tariffs available to new and existing customers:

  • Fixed and Reward Until February 2018
  • Fixed Price Until January 2018
  • Fixed Price Until March 2018
  • Standard Variable

If you need to contact a customer service adviser regarding your account lines are open Monday to Friday 08:00 – 20:00 and Saturday 08:00 – 18:00.


SSE is unique among energy companies because they not only offer gas and electricity products but mobile phone tariffs and broadband Internet as well. SSE believe in giving a helping hand to local communities and back in 2010 launched the be the difference project which allows their 22,000 employers to take a day out of work to volunteer in their local community.

With such a diversified set of products and services it can sometimes be hard to find the right contact number for the correct department, here at Diverse Energy we have done all the hard work and research for you.

Some of the common reasons people contact SSE:

  • Payments
  • Billing
  • Submitting a meter reading
  • Energy tariffs
  • Online account management
  • Moving home
  • Switching to SSE

You can call the SSE contact number on 0843 509 2521

Extra Energy

Extra Energy is an energy import in that they’re owned by a German conglomerate and only entered the UK market a couple of years ago. When they burst onto the energy scene here they promised a ‘fresh approach’ to energy tariffs, one that included the lowest possible prices. Well, they’ve been true to their word about the prices but that’s about it as far as most customers are concerned.

Unfortunately in the company’s short 2 years as part of the British energy landscape they seem to have developed quite the reputation for corporate indifference to customer concerns and as a result they receive 60 times as many complaints as the top rated energy companies. You can call the Extra Energy contact number on 0843 509 2522, lines are open Monday to Friday 08:00 – 20:00 and Saturdays 09:00 to 17:00.

Cooperative Energy

Cooperative Energy based in Warwick entered the energy industry in 2010 as a company focused primarily on providing renewable energy products and services and this focus on providing energy that is at least 70% renewable earned them considerable praise and attention. The company have approximately 250,000 customers and differ from their competitors in the fact that the company is owned by the customers and not shareholders, this is great for customers as they get their say in how the company is run.

The coop energy currently have seven tariffs available to new and existing customers:

  • Co-op Online February 2018
  • Co-op Online 2017
  • Co-op Fix For Longer February 2018
  • Co-op Online Paper Bills October 2017
  • Co-op Fix and Fly October 2018
  • Co-op Online Green February 2018
  • Green Pioneer

In this post we take a closer look at the company’s background, opening hours, tariffs and frequently asked questions. You can call the Cooperative Energy contact number on 0843 509 2523.

Scottish Power

Scottish Power is descended from the old South of Scotland Electricity Board which was privatized about 25 years ago. Like their corporate counterpart EON, Scottish Power spent years on the M and A carousel culminating in their being taken over in 2006 by Spanish energy giant Iberdrola. Scottish Power are currently the UK’s leading wind developer and continue to invest heavily in renewable energy sources. They currently have 13 onshore wind farms located across the UK and also a small number of offshore windfarms.

As with the other ‘big six’ energy providers Scottish Power are under continuous pressure to reduce their carbon footprint and plan to roll out Smart Meters to all customers by 2020.

You can call the Scottish Power contact number on 0843 509 2524.


NPower is another Big Six energy giant although their days in that exclusive club may be coming to an end soon. In 2014 the company closed one of their main customer service call centres and since that closing the company has lost many customers and seen both their revenue and their reputation take major hits.

The closing of the Fenton call centre meant their already overworked customer service department was stretched even thinner and the amount of time it took to get through to a customer service agent became much harder. In 2015 they were fined 26 million for failing to treat customers fairly, since this they have turned customer service around and seem to be improving.

Npower have four tariffs available to new and existing customers:

  • Intelligent Fix October 2018 v2
  • Online Fix January 2018
  • Feel Good Fix August 2018
  • Standard Variable Tariff

You can call the Npower contact number on 0843 509 2526.

Ovo Energy

Ovo Energy is the story of a man with a plan and what can only be called relentless drive. Stephen Fitzpatrick, a Belfast native, is the man and his plan was to save enough of the money he made working in the City of London to start his own energy company. After about a decade working in financials he had his seed money and today his company, Ovo Energy, supplies energy products to nearly half a million customers in the UK.

Although Ovo is still classed as a UK’s 2nd tier energy companies they’re growing fast. Recently being voted energy supplier of the year by uSwitch, Ovo energy are becoming increasingly popular within the UK.

They currently have three pay monthly tariffs and two pay as you go tariffs:

Pay Monthly

  • Better Energy
  • Greener Energy
  • Simple Energy

Pay As You Go

  • Smart PAYG+
  • Traditional PAY+

You can call the Ovo Energy contact number on 0843 509 2506. Lines are open Monday to Thursday 08:00 – 20:00, Friday 08:00 – 18:00 and Saturdays 09:00 to 17:00.

Good Energy

Good Energy began life as “Ofex” in 1997, a company committed to providing UK homes and businesses with alternative energy tariffs. In this post we’re going to look at the history of this innovative company, its products and services and its vision for the future. Good Energy source 100% of their energy from renewable sources, they are passionate about providing a sustainable solution to help climate change.

Because of the non-standard nature of their business Good Energy also receive a lot of calls from people who just want to talk: about what they do and what they have to offer. If you would like to speak to a Good Energy customer service adviser you can call the Good Energy contact number on 0843 509 2507. Lines are open Monday to Friday 08:00 – 20:00, and Saturday 08:00 – 13:00.


Based in Stroud, Ecotricity started in 1995 and as the name suggests they’re dedicated to generating power in a more environmentally friendly manner. Most of the 70 megawatts of electricity they currently produce is sourced from their own wind turbines and the company has plans to more than double that capacity in the near future. They’re not without their opponents though and, perhaps ironically, most of those opponents are environmentalists.

Ecotricity mainly source their energy from wind farms however are now branching into solar and wave power.

You can call the Ecotricity contact number on 0843 509 2508, lines are open 08:00 – 20:00 Monday to Friday and 09:00 – 17:00 Saturday.

Utility Warehouse

The free market environment of the 21st century has created some enormous companies that don’t really seem like companies at all. Started in 1996 as a company that made a call rerouting gadget they’ve grown into a company with £730 million ($1 billion US) in annual revenue and a distribution network that involves some 40,000 independent distributors and is at once clever and confusing as all get out.

In this post we’ll take a closer look at Utility Warehouse: its inauspicious beginnings and startling growth. We’ll also take a look at its distributor network and provide you with a contact number you can use to talk to them about anything that’s on your mind.

You can call the Utility Warehouse contact number on 0843 509 2510.


Utilita are committed to tackling the issue of fuel poverty in the UK wherein those on the financial margins of society are unable to afford to keep their homes adequately warm during the winter months. At present there are nearly 4.5 million homes in the UK where fuel poverty is an issue and that number increases every year.

Utilita’s strategy is to install free ‘pay as you go’ smart meters that allow customers to better allocate their financial resources to meet the needs of a particular situation. Opting in costs no more than a regular monthly energy tariff with the difference being that you can top up only as needed which lets you get more creative with how you allocate your financial resources.

Utilita are one of the most popular providers for Pre Payment gas and electricity in the UK and customers numbers are growing year on year. You can call the Utilita contact number on 0843 509 2511. Lines are open Monday to Friday 08:00 to 20:00 and 09:00 to 17:00 Saturday & Sunday.

Flow Energy

Flowgroup Plc began offering its own energy supply services about 3 years ago and since then they’ve been growing at a fairly impressive rate. Today they have around 100,000 customers in the UK but that number should expand in the near future as they enter into a distribution deal with Shell Energy Europe. Another reason the company sees growth on the horizon is the development of the proprietary “Flow Boiler”; an electricity producing boiler that has the potential to significantly shake up the UK energy market.

In this post we’re going to take a closer look at the history of the company, which often flies under the media radar. We’ll look at where it came from, where it’s going and some of general reasons people call Flow Energy:

  • Accounts and billing
  • Setting up a direct debit
  • How to get a flow boiler
  • How much does a flow boiler cost
  • How to use the flow portal

You can call the Flow Energy contact number on 0843 509 2512.

Octopus Energy

Octopus Energy are based in London and are proud to be a large investor of renewable energy, in particular Solar energy and they currently supply the UK with 40% of Solar energy.

Octopus energy are a new breed of energy supplier who believe that “buying energy should be as easy as buying cornflakes” – Octopus Energy 2017. They offer clearer, simpler pricing with no exit contract fees.

In this article we provide you with the history of the company, Frequently Asked Question and the best Octopus Energy contact numbers – 0843 903 3117.

Future Energy

Future Energy are a small energy provider based in the North East, they started up to help combat the increasing energy prices which were causing financial strains on local families. Their company purpose is to change the way energy is delivered and they pride themselves on “doing what they say they are going to do”.

In this article we provide general information on Future Energy and the best Future Energy contact numbers to call.

The main reasons people call Future Energy:

  • Future Energy Tariffs
  • Switching
  • Smart Meters
  • Fair pricing

Avid Energy

Avid Energy are a relatively new player in the energy industry, they may only be small but they are already making an impact. They run an entirely pre-paid energy service to help families manage what they are spending and stay debt free, say goodbye to having to visit a shop to top up your energy key! Avid energy have developed a new innovative app whereby you can top up your gas an electric and also monitor your usage.

This article looks into the history of the company and provides the best methods of contact for Avid Energy including the Avid Energy Contact Number 0843 903 3121.