The average electricity use of a restaurant in USA can be divided according to the climate zones. An average restaurant in Maryland consumes around 250 KbtU per square foot of electricity, while the restaurants in California uses around 126 KbTu per square foot of electricity.
The electric bill depends on the size of the restaurant, how much big equipment they have, and hours of operation. One can expect an electric bill of at least $5000 per month on average for a chain restaurant.
The cost for electricity for one year for a club restaurant and bar depends on a variety of factors. The local cost of electricity per kilowatt hour is one important factor, and the size of the club is another. Typically you can expect that the electricity will cost at least $1,000 a month.