When do photovoltaic systems generate the most electricity?

Photovoltaic systems, which convert sunlight into electricity, generate the most electricity during daylight hours. This is primarily because these systems rely on sunlight to produce energy. The peak output occurs when the sun is at its highest point in the sky, typically around midday, when solar irradiance is strongest.

While some factors like weather conditions can influence the efficiency of energy generation, the essential requirement is the presence of sunlight. Therefore, during daylight hours, especially under clear skies, photovoltaic systems can absorb maximum solar energy, leading to optimal electricity generation.

In contrast, periods such as nighttime, cloudy weather, or windy days would not provide the necessary sunlight for photovoltaic systems to function effectively, hence resulting in significantly lower or no electricity production.