Roof angle, ailment, and age: In accordance with the U.S. Department of Energy, solar panels are handiest on south-dealing with roofs having a slope of 15 to forty degrees. In the event your roof is old or will require a alternative soon, you must watch for your new roof in https://californiaresidentialsolarcontractors.home.blog/2023/07/19/what-factors-to-consider-when-switching-to-solar-energy/