how about a Wikipedia link?
Link to OpenStack Wikipedia entry
I'm not sure what people "being home" has to do with peak energy usage. The most people are home between 2130 and 0830 but that is the lowest energy usage time.
It's funny how some governments campaign for it's citizens to be more green at home when it's really the industry that ought to be taught to be more green as a whole (given your statement is correct of course - the average working hours, at least were I come from, includes 1400 to 1800).
It's difficult to be more green at work if the machines you operate aren't.
coke is not a cheap fuel to waste
I'm not in the drug industry but where and when, in the process of making coke, do you need a blast furnace?
It also brings up the question of what did exist before this creature.