Always unplug your home appliances when they're not in use since they are still taking in energy when they're switched off. This could be something that you need to not do. Many home owners make mistakes regarding this so unplug your appliances when not in use.
It will also be better if you'll change your lights if you still incandescent bulbs. These bulbs normally release 98 percent of the energy that they consume into heat so it is best to consider CFL or LED bulbs.
Most people do not really pay too much attention on lighting as they believe that your light bulbs are not taking in plenty of energy. Lights can have a large effect on your monthly bills as they can up lots of energy if they're used often. If you have been utilizing incandescent bulbs, substitute them with CFL or LED bulbs immediately.