I got currious the other day and decided to look into the parasitic loads of some electronic hardware around the house and to say I was surprised is an Understatement
Now many people don't think about things like parasitic loads as they're hidden and most equipment doesn't list their standby demands but you can find it. For example, I recently had to choose between an HP and Brother Laser Printer. Both were the same price, the brother was a bit faster. It's when I looked at the standby power (sleep mode) consumption that I was shocked. The brother used 4x the amount of power in standby compared to the HP. 20 instead of 5 watts. Doesn't sound like much but if your anything like me, you tend to leave some hardware on 24/7 and 20 watts adds up damn quick. It works out to 14.4KW per 30 days, while a 5watt standby load works out to a meager 3.6KW per day. See any difference?
So the first step is to figure out what are the biggest parasites in your house (TV's are usually a big one) with Printers being next. Don't forget the stereo, boom box, cable box, microwave, vcr, cordless phones, phone chargers, xbox, ps2/3 and other game consoles. In fact don't forget anything that has a power brick.
So the easiest way I've found to cut power completely is to use power strips and turn them off. Sure it's sometimes a PITA having to remember to turn it back on but my overall power consumption was cut by 1/3 in my household.