Many many people will pay $200 dollars for the time component in your example. You cannot read your meter as you walk around the house switching appliances. M

Many many people will pay $200 dollars for the time component in your example. You cannot read your meter as you walk around the house switching appliances. Many (if not most) home-owners are far less aware of the power usage of common appliances than we are. They probably don't even know what a kWh is.