It will also be better if you will change your lights if you still incandescent bulbs. These bulbs discharge almost 98 percent of their ingested energy into heat so CFL or LED bulbs are more power efficient.
If you'll these renewable power sources together with your current energy source, you can expect that your bills will go down. This will definitely be a good approach to lessen your monthly bills.
However, you could attempt to preserve electricity to decrease your monthly payments. Here are some suggestions that you could comply with if you'd like lower regular bills on electricity.