Get your financial figures right before deciding on a solar system. You need to weigh the cost of the system against how much energy it will save you. Take the cost of the system and multiply it by its' lifespan. Now figure out how much energy you will use in that lifespan to determine if it is right for you.
Use winter sunshine hours instead of summer hours whenever you are calculating how many solar panels you will need. This is because winter sunshine hours only add up to about half that of summer. It is better to overestimate how many panels you will need rather than underestimate. If you underestimate, you will end up losing power when you need it.
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 …
Make sure that any solar panels you put up are actually cost effective. While the installation cost can be dented with government assistance, you need to know how long it will take for energy savings to return your investment. Also factor in that you are not likely to get the same amount of power every single month.