It is best to try making use of your existing energy source along with renewable energy options. Essentially, you can't depend entirely on renewable power sources right now to give the energy requirements of your household.
If you these renewable power sources long with your current energy supply, your bills will go down substantially. Your monthly payments will definitely be reduced if you'll this.
Plugged home appliances still consume energy when they're switched off so you must make sure that they are unplugged after utilizing. This can be one of the errors made by property owners. If you would like to save energy, you should always unplug your home appliances.
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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.