Morning Sunlight: In the morning, solar panels start working as soon as there is enough sunlight to trigger the photovoltaic process. This generally occurs shortly after sunrise when the sun is lower on the horizon. . Solar panels are designed to convert sunlight into electricity, which means they are most effective when the sun is shining directly on them. The time of day when solar panels begin to generate electricity depends on various factors, such as location, weather conditions, and the position of the sun. . Therefore, the simple answer for the best time of day for solar panels is midday, typically between 11 a. During these hours, the sun's rays are at their most direct, delivering a concentrated dose of energy to your panels. Solar panels typically produce maximum energy around midday, 2. Optimal panel angle enhances. . When the sun is rising, the photovoltaic (PV) cells begin generating an electrical current. Electricity produced by the solar panels will almost always take priority over grid-sourced electricity.