npower is one of Britain's largest electricity suppliers and supplies gas, electricity and related services to 6.1 million customers across the UK.
The Sign Online range of tariffs is very cheap. You can sign up to the tariff on energyhelpline.com, or we can organise the switch for you over the phone.
All correspondence associated with this tariff is online. You can still call the main (0845) npower customer services phone number for any account queries or questions.
Want to see what you could save?
To find out, begin by entering your post code