clipped from: www.builditsolar.com   
Show your kids the electric bill, then tell them you’ll pay the difference between this year’s and last year’s bill for that month based on current-year pricing

the household power usage dropped by something like 10kwh/day

set the water heater to the highest setting you need

if you only need cold water, then move the lever over to the cold position, and then pull it up

Wash Clothes With Cold Water

you can let hot water used for baths (or anything) sit around until it cools off before you send it down the drain is good.  The water heats the house as it cools down, and this saves a bit of heating fuel

vacations, turn your water heater off

If you have an unused power strip lying around, you may find you can save about 800 KWH per computer per year

Use Bubble Wrap Window Insulation


Venting your dryer inside

Drive Less -- Combine Trips

Leave Less Stuff On

Seal Heating and Cooling Ducts

losses from heating ducts in a typical house reduce heating efficiency by 30%

this is "typical", not a maximum