Solar panels are known for their durability and efficiency, but like any technology, they can sometimes encounter issues. Knowing when solar panels stop working and how to address potential problems is essential for ensuring your system remains efficient and continues to save you money on energy bills.
In this article, we’ll discuss the common reasons why solar panels might stop working, how to identify potential issues, and tips for keeping your system running smoothly.
Signs That Your Solar Panels May Have Stopped Working
When a solar panel system experiences issues, it may not always be obvious at first. However, there are a few signs to watch for that may indicate your panels have stopped working or aren’t performing optimally:
- Decreased Energy Output: If your electricity bills suddenly increase, this could mean your panels aren’t producing as much energy as before.
- Inverter Error Messages: Modern solar systems come with inverters that display error codes if something isn’t working correctly.
- Check-in Your Online Monitoring: Use your system’s online monitoring tool to check if daily or monthly output is lower than expected.
- Physical Damage: Cracks, chips, or discoloration on the panels can affect their ability to generate electricity effectively.
- Visible Shade or Obstruction: Tree growth, debris, or other obstructions can limit sunlight and lower energy production.
Common Reasons Why Solar Panels Stop Working
Understanding the most common reasons why solar panels might stop working can help you address and prevent issues early. Here are some typical causes:
- Shading or Dirt Accumulation: Solar panels require sunlight to function, so any shading from nearby trees or buildup of dirt can block sunlight and reduce output.
- Inverter Malfunction: The inverter is essential for converting the electricity your panels produce into usable power for your home. If the inverter fails, the system won’t produce power.
- Wiring or Connection Issues: Loose wiring, corroded connections, or damage to the cables can disrupt the flow of electricity and reduce your system’s performance.
- Weather Damage: While panels are designed to withstand various weather conditions, severe hailstorms, heavy snow, or wind can sometimes cause damage.
- Degradation Over Time: Solar panels gradually lose efficiency over the years. This is normal and accounted for in most warranties, but it could explain decreased output in older systems.
Troubleshooting Tips for When Solar Panels Stop Working
If you notice a drop in energy production or suspect your solar panels have stopped working, here are some steps you can take to troubleshoot the issue:
- Check the Inverter: The inverter often has a display that shows error codes if something isn’t functioning properly. Refer to the manufacturer’s guide to interpret these codes and determine if there’s a simple fix.
- Inspect for Physical Damage or Debris: Check your panels for visible damage, dirt buildup, or obstructions like branches or debris. Contact a professional to clean the panels or clearing any obstructions can sometimes restore full functionality.
- Monitor Your Energy Output: Use an app or monitoring system to check your daily and monthly energy production. If production is consistently low, it could indicate a larger issue.
- Examine Wiring and Connections: Loose wires or corrosion can disrupt energy flow. If you’re comfortable doing so, inspect these components, or call a professional for help.
- Check with Your Solar Provider: If you can’t identify the issue or if it persists, contact your solar provider for assistance. They can perform a full inspection and may even fix issues under warranty.
Preventive Maintenance to Keep Your Panels Working Optimally
To prevent issues and ensure your panels continue working efficiently, regular maintenance is key:
- Trim Nearby Trees: Prevent shading by trimming any trees that could cast shadows on your panels, especially during peak sunlight hours.
- Schedule Professional Inspections: Having a professional inspect your system periodically can help detect issues early and extend the life of your panels.
- Check Your Monitoring System: Many systems include monitoring apps that track energy production. Set alerts to notify you if production drops suddenly, so you can respond quickly to any issues.
How Long Should Solar Panels Last?
Solar panels are designed to last 25 to 30 years on average, though many continue to function beyond this. Over time, panels may experience slight decreases in efficiency, but this is typically minimal—most panels maintain around 80-90% of their original efficiency even after decades. If your panels are approaching the end of their lifespan, gradual declines in output are expected, and replacing older panels might be a good long-term investment.
When to Call a Professional
If you’ve tried troubleshooting and your solar panels still aren’t working properly, it’s time to call in a professional. Solar providers can conduct a thorough inspection and pinpoint issues that may not be visible or easily fixable without specialized tools. They can also replace damaged parts, update software, and check the system to make sure it’s operating at maximum efficiency.
Conclusion: What to Do When Solar Panels Stop Working
Knowing when solar panels stop working and understanding how to troubleshoot potential issues is crucial for keeping your system running efficiently. Regular maintenance, monitoring, and professional inspections can help prevent most problems, ensuring that your solar investment continues to pay off in energy savings and environmental benefits.
If you’re experiencing issues with your solar panels or want to learn more about keeping them in top shape, leave us a comment below or contact Atlantic Solar for expert support. Our team is here to help you get the most from your solar system!
