Right. Your bill should tell you the peak hours to avoid heavy usage.
Especially dryers and AC. I have a load meter that will only allow
enough power to run lights and the oven, then times the AC to about 28-min per hour
during peak hours. It's called a power sentry. Also unplug everything accept clocks
because they consist of 10-30% of your bill. I use a power strips to click off
the kitchen gadgets when they're not in use.
/Salute