Do Solar Panels Produce Less in Winter?

Solar panels generally produce about 40-60% less energy during the months of December and January than they do during the months of July and August. This means that solar power generation is significantly less during the winter than it is during the summer.

Why solar panels produce less in winter?

During the winter, solar panels will produce an average of 50% less energy compared to the summer. Less output is produced in the winter because the panels have less exposure to the sunlight. They will still work during the winter, but the output will be much larger during the summer months with additional sunlight.

Do solar panels work less in the winter?

The longer answer is, yes solar panels work in winter weather, though sometimes their output is lower than during the height of summer—days are shorter and snow can temporarily reduce output.