When considering solar energy for your home, a common concern is whether solar panels can withstand hail. Since panels are installed outdoors and exposed to various weather conditions, homeowners may wonder if hailstorms could damage their solar system. The good news is that solar panels are designed with durability in mind and can withstand extreme weather, including hail, more effectively than many people think.
In this article, we’ll discuss how solar panels are tested for hail resistance, the factors that influence their durability, and what you can do to ensure your system is protected against hail damage.
Are Solar Panels Designed to Withstand Hail?
Yes, solar panels are built to withstand hail. Modern solar panels undergo rigorous testing to meet international standards for impact resistance. During these tests, manufacturers simulate hailstorms by shooting one-inch diameter ice balls at the panels at speeds of up to 50 miles per hour. These tests ensure that the panels can handle the impact of hail without suffering significant damage.
High-quality solar panels are manufactured with tempered glass, which is much stronger than regular glass. This type of glass is specifically designed to resist shattering from impacts and to protect the solar cells underneath.
Factors That Influence the Hail Resistance of Solar Panels
Several factors determine how well solar panels can withstand hail and other harsh weather conditions:
- Panel Quality: Higher-quality panels often have better resistance to impacts because they use more durable materials. Look for panels that meet the IEC 61215 certification for reliability and performance.
- Tempered Glass: The glass used in solar panels is usually tempered, making it about four times stronger than regular glass. This glass can withstand the force of large hailstones, reducing the risk of breakage.
- Installation Angle: The angle at which the solar panels are installed can affect their ability to resist hail. Panels installed at an angle are more likely to deflect hail rather than absorb the full impact, minimizing potential damage.
- Frame Design: A strong frame helps maintain the integrity of the panel. Some panels feature reinforced frames that add an extra layer of protection against impacts.
What Happens if Solar Panels Are Damaged by Hail?
Although solar panels are highly durable, no system is entirely immune to extreme weather events. In the rare case that a panel is damaged by hail, the tempered glass may crack, but this doesn’t necessarily mean the entire system will fail. Most solar installations consist of multiple panels connected in series, so if one panel is damaged, the others can continue to function, albeit at a reduced efficiency. Optimizers can be particularly effective in these situations because they allow each panel to operate independently at its maximum efficiency. When panels are connected in series, a damaged or underperforming panel can affect the performance of the entire string. Optimizers mitigate this issue by ensuring that the optimal performance of unaffected panels is maintained, thus reducing the overall impact on the system.
If you suspect hail damage, it’s essential to have a professional inspect your system. Many solar panel warranties cover hail damage, so make sure to review your warranty terms and contact your provider for repairs if needed.
How to Protect Your Solar Panels from Hail Damage
While solar panels are designed to withstand hail, there are additional steps you can take to further protect your investment:
- Choose High-Quality Panels: Opt for panels that have undergone rigorous testing and meet recognized standards for impact resistance.
- Install a Protective Cover: Temporary covers can be used if severe weather is forecasted. These covers are designed to absorb the impact of hail and protect the panel surface.
- Regular Maintenance and Inspection: Periodically inspect your panels for any signs of damage and clear away debris that could impact their performance. Regular maintenance can help you spot issues early and address them before they become significant problems.
- Check Your Warranty: Make sure your solar panel warranty includes coverage for hail damage. Many manufacturers offer warranties that specifically cover extreme weather events.
Real-World Examples: Solar Panels and Hailstorms
There have been numerous cases where solar panels have withstood severe hailstorms. For example, during a major hailstorm in Denver, Colorado, in 2017, a solar farm experienced hailstones the size of golf balls. Despite the intensity of the storm, only a small fraction of the thousands of panels sustained damage, demonstrating the resilience of modern solar technology.
These real-world examples highlight that solar panels are not only effective in providing clean energy but are also built to endure various weather challenges.
Conclusion: Can Solar Panels Withstand Hail?
The answer is yes—solar panels can withstand hail. They are designed and tested to endure extreme weather, including hailstorms, thanks to the use of durable materials like tempered glass and reinforced frames. While no system is entirely immune to damage, choosing high-quality panels and taking additional protective measures can significantly reduce the risk.
If you’re considering installing solar panels and are concerned about hail or other weather-related risks, contact Atlantic Solar today for a consultation. We’ll help you find a durable system that meets your energy needs and can withstand the elements.
Have you had any experience with hailstorms and solar panels, or do you have questions about protecting your system? Leave your opinion or question in the comments, and we’ll be happy to help.
