Ranked UK’s top large energy supplier*
By Citizen’s Advice for customer service for the 3rd time running.
We're ranked 3rd for overall customer service in this quarter's Citizens Advice Star Rating. We’ve scored 3.6 out of 5 in their latest set of results.

Ranked UK’s top large energy supplier*
By Citizen’s Advice for customer service for the 3rd time running.
We're ranked 3rd for overall customer service in this quarter's Citizens Advice Star Rating. We’ve scored 3.6 out of 5 in their latest set of results.

Information on what we offer
We’re easy to contact
We’re joint 1st position among large suppliers for our ease of contact.
Overall we’ve scored 4 out of 5 for our contact wait times.
We’re committed to our customers
We've scored 5 out of 5 again as we’re members of Energy UK’s Vulnerability Commitment and The Energy Switch Guarantee.
Meaning we make life easier for customers wherever we can.
We’re working hard to resolve complaints
We’ve scored 2 out of 5 for complaints, and our volumes have reduced, with our teams consistently working to improve customer experience and working hard to further increase our score in this area.
Information on what we offer
We’re easy to contact
We’re joint 1st position among large suppliers for our ease of contact.
Overall we’ve scored 4 out of 5 for our contact wait times.
We’re committed to our customers
We've scored 5 out of 5 again as we’re members of Energy UK’s Vulnerability Commitment and The Energy Switch Guarantee.
Meaning we make life easier for customers wherever we can.
We’re working hard to resolve complaints
We’ve scored 2 out of 5 for complaints, and our volumes have reduced, with our teams consistently working to improve customer experience and working hard to further increase our score in this area.
* Ranked top from April to December 2024. Accurate as of 25 April 2025. Excludes Northern Ireland. Ofgem defines large energy suppliers as those with a market share of at least 5% in either gas or electricity. Seehttp://www.citizensadvice.org.uk.