Energy supplier comparison data

Mae’r dudalen yma ar gael yn Gymraeg.

Here you can find impartial, independent data on how gas and electricity suppliers are performing in the areas of customer service, complaints handling and social obligations for debt and disconnection in Great Britain. 

Ofgem wants you to get the best service from your energy supplier and we’re working hard to drive up standards and make it easy for you to understand who the best and worst performers are. If there are lots of issues affecting consumers then we will take action, which could include fines or restrictions on the energy company. Select a link to view our data.

Compare energy supplier performance

Compare energy suppliers on price and tariffs