What does the average bill look like for utilities?
Lots of variables to this question: The communities in which you live; The climate in that community; The utility services included in the op's utilities"; The time of year; The size of home being serviced; The size of the household (number residing ynere); The rate structure of the servicing company; The consumption habits / needs of the occupants. Answer these, and you may have a chance at getting your answer.