The amount of electricity you generate from solar panels is dependent on how many panels you install and the efficiency of these panels. You will need to do a little math to calculate the number of panels you will need. Higher-efficiency panels are often your best bet cost-wise.
Forget the salesman or the confusing websites, this video will show you what a solar panel system REALLY costs. From the most basic starter kit to a whole …
The amount of energy your solar panel will produce is rated by watts. For example, if your solar panel is rated 100 watts, then on a clear day, your solar panel will produce 100 watts per hour. To find out how much electricity you need to produce, look at your electric bill and divide the total by 30 days and then divide it by 3 as there is generally bright sunlight one third of the day.
Solar cells can cost more than other alternatives. Get a professional to perform an energy audit on your home. This can help you find the ways you waste energy so you can change them. By making these changes, you may not need to install as many panels.