Top 10 UK Energy Companies List (2024)

uk energy companies list

The usefulness of electrical power supply in our daily lives cannot be underrated.

From running our homes to executing our duties at our workplaces, electricity plays a vital role in our daily activities. For this reason, there has been unending patronage of energy companies.

As much as we need electricity to carry out daily tasks, we should also be concerned about the sources of this electricity, especially as there have been global calls for cleaner energy use.

As a result, energy companies that utilise cleaner energy sources like wind, hydropower, and solar energy are now being sought after and rated better in the power industry.

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Table of Contents

Best Energy Companies in the UK

Below is a list of the top 10 energy companies in the UK.

1. The Energy Company

The Energy Company are professionals in assessing and managing power consumption in homes, business places, and companies.

If you wish to maintain the best electricity deals for your home or business, you have to check your bills continuously, the VAT rate, and other vital information. These are what The Energy Company remain dedicated to.

This company has been in existence since the mid-90s and is a member of the Utilities Intermediaries Association (UIA). In what began as a two-man business, they have grown to become a top energy company.

  • Website: http://www.theenergycompany.co.uk
  • Email: info@theenergycompany.co.uk
  • Phone: 0800 027 0020
  • Address: The Energy Company, Industrial Estate, Lôn Parcwr, Ruthin LL15 1NJ

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2. UK Power Networks

UK Power Networks maintain power cables across London, the East, and the South East of England. They won the Network of the Year awards for their performance in the energy industry in 2019.

In line with the UK’s vision for clean energy production, they strive towards producing energy with the least emission of greenhouse gas. As a result, they were the first energy operator to earn the Carbon Trust Standard for Carbon, a certification recognising organisations’ efforts to reduce greenhouse emissions.

You can consult them for advice when cutting trees around power lines and working near overhead power lines. They can also replace your meter boards, change your electricity supply, and install electrical devices for you.

  • Website: https://www.ukpowernetworks.co.uk
  • Phone: +44 800 316 3105

3. The Little Green Energy Company Limited

With the gradual shift from the dependence on fossil fuel to cleaner energy, The Little Green Energy Company has developed a better alternative___solar energy. They are experts in solar panel installation and sales of quality battery storage.

For every installation they carry out, they will design a unique power system that will suit your needs, irrespective of the type of the building, whether residential or commercial.

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  • Website: https://www.tlgec.co.uk
  • Email: info@tlgec.co.uk
  • Phone: +44 1622 832834
  • Address: Hopsack House, Pattenden Ln, Marden, Tonbridge TN12 9QJ

4. UK Power Solutions

UK Power Solutions was established in 2007 to build electricity networks and other essential utility connections such as gas and water connections. They have experience connecting residential and commercial buildings to renewable energy sources.

UK Power Solutions has the full accreditation of the National Electricity Registration Scheme (NERS) to carry out electricity connections.

  • Website: https://ukpowersolutions.co.uk
  • Email: sales@ukpowersolutions.co.uk
  • Phone: 0845 2577105
  • Address: River View House Bonds Mill Estate, Stonehouse GL10 3RF

5. Anesco Ltd

Anesco Ltd is a solar energy company leading the solar-based system of energy generation in the UK.

With over ten years of experience in the industry, they boast of great achievements, including the construction of the largest solar farm in Dorset, construction of the UK’s first utility-scale battery storage unit, construction of the UK’s first subsidy-free solar farm, and the installation of the largest optimised solar farm in Europe.

Anesco Ltd will utilise its years of experience in constructing, connecting and maintaining large and complex grid-scale solar systems to execute your project.

  • Website: http://www.anesco.co.uk
  • Email: press@anesco.co.uk
  • Phone: +44 845 894 4444
  • Address: The Green, Easter Park, Benyon Rd, Reading RG7 2PQ

6. So Energy

So Energy is a renewable energy company set up to provide cheaper and cleaner energy sources. Their energy supply is from renewable sources and partner generators in the UK. With So Energy, you are at liberty to choose the source of energy for your home. And these sources include solar, hydro, biomass, or wind.

So Energy is a great team of researchers, data scientists, engineers, and designers with experience in renewable energy.

  • Website: https://www.so.energy
  • Email: media@so.energy
  • Phone: +44 330 111 5050
  • Address: 107 Power Rd, Chiswick, London W4 5PY

7. ENGIE

ENGIE is an advocate of clean and renewable energy sources. Hence, they remain committed to supplying UK businesses with clean energy at affordable rates. They have been in existence for over 20 years and experienced strong workforce growth, numbering at least 14 000 employees in the UK & Ireland.

ENGIE’s services cut across various sectors of the economy, including the manufacturing industry, healthcare system, media, and corporate organisations.

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  • Website: https://www.engie.co.uk
  • Email: customerservice@engie.com
  • Phone: +44 333 666 0280
  • Address: No 1, 26 Whitehall Rd, Leeds LS12 1BE

8. National Grid UK

National Grid UK supplies clean and affordable energy to homes and businesses through their large scale energy grid. They operate a system that supports the non-emission of carbon into the environment. Part of their solution to the decarbonisation of gas in the environment includes renewable natural gas, carbon offsetting, and blending hydrogen in their networks.

National Grid UK provides a steady power supply, essential for your business to thrive and make your home comfortable.

  • Website: https://www.nationalgrid.com/uk
  • Email: surinder.sian@nationalgrid.com
  • Phone: +44 (0)1926 653000
  • Address: National Grid House, Warwick Technology Park, Gallows Hill, Warwick, CV34 6DA

9. Octopus Energy

The entry of Octopus Energy into the energy industry in 2016 boosted green energy usage in the UK. With a supply capacity of over 2 million homes in the UK, they have significantly reduced carbon emissions into the atmosphere due to power generation. Their electricity source is from renewable sources like wind, sun, and water.

  • Website: https://octopus.energy
  • Email: hello@octopus.energy
  • Phone: +44 808 164 1088
  • Address: 2nd Floor, United Kingdom House, 164-182 Oxford St, London W1D 1NN

10. Scottish and Southern Energy (SSE)

Scottish and Southern Energy is one of the largest generators of renewable energy in the UK. In a bid to lower carbon emission into the atmosphere, they employ the use of offshore and onshore wind, efficient gases, and hydropower in supplying cleaner energy.

For 70 years, they have been supplying energy to residential and commercial buildings and are major contributors to the UK’s economy.

  • Website: https://www.sse.com
  • Phone: +44 843 816 6449
  • Address: 3 Hunt Hill, Cumbernauld, Glasgow G68 9LF

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