Static
The lighting in your house is the smallest user of electricity you have in any building. Your HVAC, clothes dryer, refrigerator, and freezers are your biggest users. Most people don't ever clean out the dust accumulations under their refrigerator, causing it to work harder to keep things cool. Yes, using compact fluorescent will help a little, but you can save more by making your big users use less. A clothes dryer sucking in outside cold air in the wintertime is not the most efficient way. Allowing it to dump warm out from inside your house is not the most efficient way. So, take a look at the big users first.
Good luck.
