Ovo informed me after making regular monthly payments that I owed them £1400 in electricity due to a technical error on their end. I of course said wipe that debt as it was a fault in there end and o have been paying in good faith. I opened a customer complaint and was assured this would be done and I’d here nothing more. March comes 3 months later. They put my account into -£961, and informed me they have given me a 10% discount. In the email explaining this it states ‘due to a technical error’. I have paid monthly I have paid in full and now am told, because someone in there company made a mistake I owe them a huge sum of money. Single mum of two children in a pandemic who has never even paid late let alone missed a payment. Disgusting and legal action will be taken.