Set your thermostat at 78 degrees or higher. For each degree you lower the temperature from the recommended setting, you can increase your bill up to 4 percent; turning your thermostat off when you leave home for more than two hours can save as much as 10 percent annually on your utility bill.
Use ceiling fans to increase comfort level.
Do full loads of laundry and use cold water whenever possible for washing. Small loads and hot water increase your energy usage.
Set the dishwasher for energy saving air dry only. Heated drying will increase your energy usage. Always wash a full load of dishes, frequent small loads increase your energy usage.
Turn your computer off when you are not using it. One computer left on continuously can add up to ten dollars or more a month on your energy bill.
Turn the lights off when you are not in the room or are leaving your home.
Keep an eye on entertainment/electronic equipment. When plugged in these items draw additional electricity at all times. Usually to run things like clocks and so forth. They are also the first things that are often forgotten and left on when not in use.