ESB Energy

Compare, switch & save up to £450.42* per year on your energy

  • Compare deals from 100+ insurers
  • Find a great deal today
  • Buy online or by phone
Compare Now

Key information about ESB Energy

Company history

How to contact ESB Energy

You can contact ESB Energy through a number of different ways.


If you wish to contact the company via post, you can write to them at the following address:

ESB Energy
Tricor Suite
4th Floor
50 Mark Lane

Opening times

Their office opening hours are between 9:00am and 5:00pm, Monday to Friday. Remember that any telephone calls you make may be recorded.

  • Contact ESB Energy via telephone by calling them on 0345 60 70 372
  • You can visit the company’s website directly at:
  • If you need to email the firm, they can be reached at:
  • Alternatively, you can use their online web form to send them a message at:
  • You can also use social media to contact ESB via Twitter and Facebook.

Head office

A map showing their head office location can be found below.

Compare, switch & save up to £450.42* per year on your energy

Warm Home Discount Scheme

Further Information

Fuel Sources

All suppliers, including ESB Energy, are required to provide information about the mix of fuels they use to generate the electricity they supply to their customers.

Environmental impact

CO2 g/Kwh / 208 / 208
Radioactive g/Kwh / 0.007 / 0.007

All of ESB Energy’s green tariffs are sourced from 100% renewable energy.

Current ESB Energy tariffs

ESB offers a number of different tariffs. These include both fixed-rate and variable rate options. We have listed these below:


ESB Energy has an ‘Excellent’ Trustpilot rating of 4.5 out of 5 stars based on 586 customer reviews.

Compare ESB Energy

It’s quick and easy to compare ESB Energy tariffs against other leading suppliers with Utility Saving Expert. Use our FREE online energy comparison tool to find the best cheap gas and electricity deals today.

Compare Now