Great Value, Renewable Energy

Today, we're bringing 90 years energy experience to Great Britain. Join us today on the journey to a brighter future.

ESB Energy Electricity Gas

Affordable energy from a trusted supplier

ESB has been the main gas and electricity supplier in Ireland for more than 90 years. Over 1.3 million customers strong, employing over 7,000 people. We're now in Britain and can’t wait to bring you green energy at an affordable price.

Our pledge, very simply, is to be the most innovative, responsible and easy to deal with energy supplier in Great Britain. We've already invested nearly £2 billion in Britain, where we've been working for over 26 years.

What's more is our electricity is now 100% renewable which means that all of the electricity you buy from us is matched with renewable sources such as solar, wind and biomass power.

100% renewable, green energy

Our green tariffs feature 100% renewable electricity. They are the cheapest tariffs we have because helping the planet shouldn't cost the earth. 

Our Green Tariffs
Green Tariffs Image artwork v2Investment-in-green-energy-desktop

Our Green Tariffs


See our range of green tariffs at an affordable price. Choose one below that's right for you.

Brighter Future 12

1 Year Fixed Price

£85* Monthly Projection
Estimated Yearly Savings of £100**
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  • 100% renewable electricity
  • No price rises for 12 months
  • Direct debit discount
  • Online account / billing

Brighter Future 24

2 Year Fixed Price

£90* Monthly Projection
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  • 100% renewable electricity
  • No price rises for 24 months
  • Direct debit discount
  • Online account / billing

Brighter Future 12

1 Year Fixed Price

£48* Monthly Projection
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  • 100% renewable electricity
  • No price rises for 12 months
  • Direct debit discount
  • Online account / billing

Brighter Future 24

2 Year Fixed Price

£52* Monthly Projection
View details Get Quote
  • 100% renewable electricity
  • No price rises for 24 months
  • Direct debit discount
  • Online account / billing

*Terms and conditions apply. Price calculated using average customer consumption of 12,000 kWh for gas and 3,100 for electricity. Price shown is based on a standard meter in the South Wales (SWALEC) region.

**Yearly savings are versus the OFGEM Price Cap. Based on a standard meter in the following regions: Eastern, East Midlands, London, ManWeb, Midlands, Northern, NorWeb, Scottish Power, Seeboard, Southern Electric, SMALEC, SWEB and Yorkshire.

Switching is easy

We’ll talk to your current supplier and keep you updated when the switch has happened.

  • icon1Switching only takes 5 minutes
  • icon2Get a quote, sign up and we’ll take care of the rest
  • icon3There is no need for an engineer visit

Investing today for a Brighter Future

We’ve invested over £2bn in Britain’s energy landscape, building wind-farms across the country, from Devon to Durham and South Wales. Today, we're transforming the way we produce energy through sustainable innovations. From electric cars and charging points to 100% renewable, biomass energy.

Read more here
Investment in Green Energy