E.ON is a leading energy supplier in the UK.

We supply around 5.3 million electricity and gas customers, covering domestic, SME and industrial. E.ON also offers central heating and boiler care.

Our expertise means we can tailor a wide range of products and services to meet our customers' individual energy and home services requirements.

Energy efficiency and technology

We're committed to helping our customers improve the energy efficiency of their homes and businesses. We provide an extensive range of measures to enable them to do this, from online interactive tools and telephone advice lines to investing in new technologies.