What should I do if I find an unauthorized charge on my bill?

If a customer discovers an unauthorized charge on their bill from National Grid, it is essential to take prompt action to address the concern. First, the customer should review the bill carefully to ensure that the charge is indeed unauthorized and not a result of a misunderstanding regarding services or usage. It is also advisable to gather any supporting documentation, such as previous bills or account statements, to facilitate the review process. Next, the customer should report the unauthorized charge to National Grid as soon as possible. This may involve checking the National Grid website for specific contact information or guidance on how to submit a dispute. Customers typically have the option to report the issue via phone or through online supporting channels if available. National Grid usually prioritizes customer concerns and will conduct an investigation into the reported charge. Additionally, it is wise for customers to monitor their bills regularly for any further discrepancies or unauthorized charges. By maintaining open communication and vigilance, customers can help ensure that their billing concerns are resolved effectively.