What is the generally accepted tilt angle for maximizing summer PV system performance?

Maximizing summer photovoltaic (PV) system performance involves optimizing the angle at which solar panels are installed. This angle directly impacts the amount of sunlight the panels receive throughout the day.

The generally accepted practice for tilt angle in summer is to set the panels to the latitude of the installation location plus 0 degrees. This positioning allows the solar panels to capture the maximum solar energy during the longer days of summer when the sun is higher in the sky. By aligning the tilt with the latitude, the panels can receive sunlight more directly, thereby maximizing their efficiency and overall energy output during that season.

Understanding the appropriate tilt angles is crucial since during the summer months, the sun's path is more elevated in the sky compared to the winter months. Therefore, maintaining a tilt similar to the latitude allows the solar panels to be better aligned with the sun's rays, optimizing performance during this peak solar production period.

In contrast, adjusting the tilt by decreasing or excessively increasing the angle from the latitude would not be as effective for summer performance. Lowering the tilt too much might not capture enough sunlight, while increasing it might make the panels less effective at absorbing the solar energy at higher angles during the summer months.