British Gas accidentally pays customer £38,000 and can't figure out how to get it back

In the United Kingdom, a British Gas customer from Sale submitted a claim for a £300 Feed-in Tariff payment for solar energy. The company mistakenly paid over £38,000 into their account the next day. The money remained there for more than seven weeks, from mid-May to mid-July, because British Gas had no procedure to reclaim it, despite the customer's constant calls and letters. The customer feared fraud and knew spending the money was illegal. The funds were eventually taken back, but the correct £300 payment was two months late and still short by £2. In a separate case, a Berkshire man's credit rating was trashed after British Gas pursued him for estimated bills on a gas supply that had been terminated and the meter removed.

British Gas accidentally pays customer £38,000 and can't figure out how to get it back
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Published Aug 17, 2026

Topic overview

Briefly

  • A customer claimed a £300 solar panel payment but received over £38,000 instead.
  • British Gas had no internal process to reclaim the mistaken payment for seven weeks.
  • Another customer's credit score was damaged by bills for a gas supply that was removed.

What happened

A British Gas customer, identified as DT from Sale, submitted a claim for a £300 Feed-in Tariff (Fit) payment for energy exported through their solar panels. Instead of receiving the expected amount, British Gas erroneously transferred more than £38,000 into their current account the very next day. This substantial sum remained in the account for over seven weeks, from May 14 to July 14, despite the customer's persistent efforts to alert the company through constant phone calls and written correspondence. The situation caused significant distress, as the customer was acutely aware that spending money they were not entitled to is illegal. They also feared the unexpected deposit might be linked to some form of fraud. The core of the problem was a complete lack of internal procedure at British Gas for reclaiming such a large, obvious overpayment. The standard scripts provided to customer service agents did not cover an incident of this nature, leaving employees unable to act. The funds were eventually reclaimed, but the customer was left unable to confirm whether British Gas had successfully received the money back. Adding to the frustration, the legitimate £300 Fit payment that triggered the entire episode was not paid on time. When it finally arrived two months late, the company had underestimated the amount by £2, requiring the customer to contact them yet again to correct the shortfall.

This was not an isolated incident of financial mismanagement by British Gas. In a separate case, another eco-minded customer, JG from Berkshire, experienced severe credit rating damage after the company pursued him for invented debts. JG had installed a heat pump in his home, terminated his gas account, and arranged for British Gas to remove the gas meter. Despite the property no longer having a gas supply, the company began sending a succession of estimated gas bills. JG was forced to laboriously contest each one. The situation escalated when British Gas reported to credit reference agencies that JG had missed six payments and had a default amount of £833 on his account. While the six missed payment marks were eventually removed after a complaint, the imaginary £833 default remained on his credit record, visible to all potential lenders and causing financial harm. British Gas later refunded the sum and added £150 in goodwill, a gesture JG considered a paltry reflection of the stress, financial damage, and the sheer number of hours of hassle the mistake caused.

The circumstances surrounding the £38,000 overpayment highlight a profound operational failure. The journalist notes the extraordinary irony that utility companies, which are highly efficient at pursuing customer debts, seemingly have no process to check self-evidently absurd credits and no interest in recovering misdirected funds. The root cause in the DT case was likely a simple human error, similar to an incident where an employee mistyped bank details, causing a salary to be paid twice to the wrong account. The consequences for the customer were multifaceted. Legally, they were correct to persevere in returning the money, as a company could sue through civil courts if a customer spent carelessly remitted funds. Morally, they felt an obligation to correct the error. Practically, the situation was a source of constant anxiety and embarrassment, tying up their current account and requiring a significant, time-consuming effort to resolve a problem they did not create.

The broader implications of these cases point to systemic issues within British Gas's customer service and billing infrastructure. The company's systems appear unable to handle edge cases, such as a property that no longer has a gas supply, leading to a cascade of errors from fictional billing to credit file damage. The lack of a straightforward mechanism to reverse a massive overpayment suggests a rigid, siloed operational structure where standard procedures cannot be bypassed, even when common sense dictates immediate action. The consequences for customers are severe, ranging from the psychological stress of holding unentitled funds and fearing fraud, to tangible financial repercussions like a damaged credit score that can affect loan and mortgage applications. The £150 goodwill payment to JG, while an admission of fault, underscores a failure to adequately compensate for the real-world impact of such administrative negligence.

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Updated Aug 17, 2026

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