There are two common reasons for an unusually high utility bill.
The first, and most frequent, is failure to pay the monthly bill on time. Unless you are over 60 years old and have signed up for the Deferred Payment Plan, your utility bill is due in full by close of business on the 15th of each month. A 10% late fee is added after the 15th, raising, for example, a $120 total utility bill to $132. F…