The ideal angle, typically between 30 to 45 degrees depending on factors like latitude and seasonal sunlight variations, ensures optimal sunlight absorption throughout the year. While orientation towards the sun is important, the angle significantly impacts the amount of solar. . However, it is worth remembering that to determine the minimum distance between the rows, we only need to know the minimum angle of incidence of sunlight during the year, which occurs during the winter solstice (December 22), when the sun is at its zenith over the Tropic of Capricorn. Therefore. . In general, solar panels should be installed so the sunlight hits them at as close to a perpendicular 90-degree angle for as long as possible during the day. The optimum angle varies throughout the year, depending on the seasons and your location and this calculator shows the difference in sun height on a month-by-month basis. Proper positioning can increase your solar installation's electricity production by up to 25%.
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