Two million energy customers are due £240m from old accounts, says Ofgem

Ofgem says about 1.9 million energy accounts were closed over the past five years. Photograph: Bloomberg/Getty

Almost 2 million energy bill payers could be owed a share of £240m from old accounts that were closed while still in credit, according to the regulator.

The latest figures from Ofgem show that about 1.9m energy accounts were closed over the past five years, with outstanding credit balances totalling £240m left unclaimed.