Citizens Advice energy suppliers' star rating.

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What is the Citizens Advice energy suppliers' star rating?

Citizens Advice compare energy suppliers customer service against certain criteria and work out an overall score out of 5 to rank suppliers. Find out more about the latest energy customer suppliers' customer service star ratings.

How are the scores calculated?

Suppliers are measured on complaints, being easier to contact, and customer guarantees for switching and vulnerable customers.

Each category is measured against different criteria and scored out of 5. Scores are then weighted to give an overall star rating, See how Citizens Advice work out customer service scores.