Hmm, I'm not sure if my own electric company does that. I always read everything that they send and I don't remember ever seeing a mention of that, although I know that utilities do charge that way.

One of the criticisms against mass adoption of electric vehicles or plug-in hybrids is the argument that our electric grid couldn't handle the extra load of all those cars. But proponents counter with the argument that the vast majority of people would charge their vehicles at night, when electricity demand is normally lowest, and when the rates are lowest. So, that keeps the cost of ownership of electric vehicles lower. Well, of course, if "everyone" did that and the demand at night increased, the price would probably go up, too! Curse you, Alfred Marshall! <img src="/images/graemlins/grin.gif" alt="" /> (first to describe prices and supply vs demand)