How much tilt should photovoltaic panels have to be to be effective

To optimize performance, tilt your panels at an angle that is 10-15 degrees less than your latitude. For example, if you live at a latitude of 40 degrees, set your panels at about 25-30 degrees. [pdf]

Where to find a photovoltaic panel installation team

. Find the Best Solar Installers Near You With These 7 Tips1. Understand your local incentives . . Research Solar Installers1. Conduct Online Research Start by identifying solar installation companies in your area. . [pdf]