Stay up to date with notifications from The IndependentNotifications can be managed in browser preferences.Jump to contentThank you for registeringPlease refresh the page or navigate to another page on the site to be automatically logged inPlease refresh your browser to be logged inAllNewsSportCultureLifestyleMartin Lewis has advised homeowners to check their energy accounts for potential refunds from their suppliers. He highlighted that energy providers are collectively holding around £3bn in customer credit, much of which should be returned. This surplus credit often builds up through direct debit payments, particularly after the higher energy usage during winter months. Customers should assess their accounts in May to see if they hold more than a month and a half's worth of credit. If excessive credit is found, customers are urged to contact their energy supplier to request an explanation or a refund. In fullMartin Lewis tells households to act now over hidden energy refundsThank you for registeringPlease refresh the page or navigate to another page on the site to be automatically logged inPlease refresh your browser to be logged in