[Your letterhead, if desired; if not, your return address]

[Date of letter-month, day, and year]

[Recipient's first and last names]
[Company name]
[Street or P.O. box address]
[City, State ZIP code]

Dear [recipient's name]:

I am writing to point out an error that I discovered on my electric bill from your company. The bill is dated December 16, 2010. The amount owed states that I owe $123.89. However, this is incorrect, as the amount owed should actually be $23.89. Please correct this error immediately and adjust my account so that it reflects the correct amount being owed.

Please contact me if you have questions about this issue. Otherwise, I look forward to a resolution to this matter very soon. Thank you for promptly reviewing this billing issue.

Sincerely,

[Signature]

[Sender's first and last names]