Why ESB Energy

We’re an established, trusted energy supplier, committed to delivering great value, responsible energy.



Creating a Brighter Future

At ESB Energy, our knowledge and passion for all things energy is second to none. With over 90 years of experience as the main electricity and gas supplier throughout Ireland, and over 26 years of experience growing Britain's energy industry, we've built up decades of expertise.

And now, we’re doing things differently by transforming the way we think of and produce energy. We are leading the transition towards creating a brighter future, and we want you to join us in our quest for cleaner, more sustainable energy.

ESB are proud generators of energy, and our goal is simple: to continue to actively change the energy landscape across Britain to create a brighter future. A future that we can all be proud of building, today. 

Our Story

Since 1927, we’ve pioneered a new way of thinking when it comes to energy generation and production. And for more than 90 years, ESB Energy has proudly served as the leading gas and electricity supplier in Ireland, in our ongoing endeavour to bring light and energy to millions of satisfied customers and communities.

Now we’re here in Britain, our pledge is to bring the same great service and value to you – where for over 25 years, we’ve already been changing Britain’s energy landscape by investing in an array of sustainable energy solutions. Through constant innovation, we’re creating a brighter low-carbon future for our customers.

Read more

Why Switch?

Switching your energy supplier should be simple and easy. And with us, it is. Find out how to switch to ESB Energy today as well as answers to questions you might have around changing energy supplier.

Find out more
Why Switch to ESB Energy

Our service promise

Our aim is to be the best value and easiest to deal with energy supplier in Britain. But beyond providing great value energy, today, we are committed to creating a  brighter future for the generations of tomorrow.

Switch to us and we’ll ensure the process is seamless, committing to first bill accuracy and delivering on our promises. 

Get a quote now

Our Investment in Renewable Energy

Our sustainable innovations have seen us transform the UK’s energy landscape, with 10 wind farms across Britain and Ireland, supplying renewable energy to over 80,000 homes, schools, businesses and hospitals.  

Read More
Green Tariffs Image artwork v2Investment-in-green-energy-desktop

Our Policies

Being easy to deal with, honest and transparent are at the core of everything we do. And our policies reflect that.

Find out more