The slope of the photovoltaic panel is 18 degrees

The azimuth angle is the direction that a solar panel faces. It is often expressed in degrees clockwise from true north. . Being 5-10 degrees "flatter" than perfect is often better for self-cleaning (rain washing) than being too steep. Don't worry if your roof isn't perfect. It covers optimal ranges, practical mounting options, and. . Choosing the right roof slope for solar panels affects energy production, installation cost, and long-term performance. [pdf]