A key consideration in the overall performance of any solar system is how this solar system can use the received solar energy most effectively. For the solar system to perform at its best, you need to install it in a good manner to access to as much energy as possible. Because sunlight is the “fuel” for any solar system, you want to make sure your solar system have full access to as much of the solar resource. You must understand the relationship between the sun and earth allows you to properly site the solar system.