The extent of damage that hailstones can cause to solar panels depends on a few factors, including the size, speed, and density of the hailstones, as well as the quality and durability of the solar panels. Solar panels are typically tested and rated to withstand impacts from hailstones up to a certain size and speed, typically ranging from 1 to 2 inches in diameter and speeds of 50 to 60 miles per hour. This means that most solar panels are built to withstand moderate-sized hailstones that are relatively common in most regions.

However, if the hailstones are larger or faster than the rated capacity, the solar panels may sustain damage. The damage caused by hailstones can range from small dents or cracks in the panel’s surface to more severe damage that affects the solar cells and the electrical connections. The severity of the damage depends on the impact force of the hailstone, which is determined by its size, speed, and density. For example, a small hailstone traveling at high speed can cause more damage than a large hailstone traveling at a slower speed.

If the damage to the solar panel is minor, it may not significantly affect the overall performance of the panel. However, if the damage is severe, it can cause a decrease in energy output and may require repair or replacement of the damaged panel. It’s also essential to regularly inspect and maintain the solar panels to identify any signs of damage or wear and tear that may need attention. This can include checking for any cracks or dents in the panel’s surface, loose connections or wiring, and signs of water damage.