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Empower Your Energy: How to Maintain and Repair Solar Panels

July 21, 2023
professional cleaning of solar panels
by Sun City
July 21, 2023

Estimated reading time: 5 minutes

Solar power, a beacon of renewable energy, is progressively shedding its tag of being an alternative source to becoming a mainstream energy source. Households, businesses, and governments worldwide have embraced solar energy for its economic, environmental, and social benefits. The shift toward solar energy reflects our commitment to a more sustainable future. However, like any technology, solar panels, too, require regular maintenance and occasional repair to function optimally.

Whether you are an existing solar panel owner or considering solar panel installation, this article aims to guide you through the essential aspects of maintaining and repairing solar panels. We answer the most frequently asked questions about solar panel upkeep and troubleshoot common issues to ensure your solar power system always functions at its best.

Importance of Regular Maintenance

Solar panels are known for their durability and low maintenance requirements. However, regular checks and upkeep are vital to ensure they operate at peak efficiency and their lifespan extends beyond the typical 25-30 years. An effective maintenance routine maximizes energy production and helps identify potential issues early, preventing costly repairs in the long run.

Inspecting Your Solar System

A key aspect of maintaining your solar system is regular inspection. A professional should inspect your solar system at least once a year to ensure all parts are working correctly and efficiently. A professional will thoroughly assess the entire system, including the panels, mounting hardware, inverter, and electrical connections.

Beyond these routine professional inspections, many modern solar systems come equipped with remote monitoring capabilities. This technology provides real-time data about the system’s performance, allowing for ongoing observation and quick detection of any significant performance changes that may indicate a problem.

Solar Panel getting serviced - how to repair your solar panels

Common Issues with Solar Systems

Solar panel systems are remarkably resilient but not immune to issues. Understanding the common problems you might encounter can help you respond promptly and prevent further damage. Here are some of the typical issues:

  • Physical Damage: Severe weather events can cause damage to solar panels. From hailstorms to strong winds, natural elements can affect the integrity of your solar panels. While solar panels are built to withstand such weather, it’s crucial to check for any potential damage following severe weather events.
  • Shading: Solar panels need unobstructed exposure to sunlight to function effectively. However, new structures or tree growth can create shade, impacting the panels’ efficiency. It’s important to keep an eye out for new sources of shade and manage them promptly.
  • Wear and Tear: While solar panels are designed to last for decades, components of the system may exhibit wear and tear over time. Inverters, connectors, or wiring may need replacement or repair to ensure the system’s optimal performance.
  • Electrical Issues: Less common but potentially more serious are electrical issues. These can range from minor wiring issues to more significant problems like inverter failure. Regular inspections can help identify and resolve these problems before significantly impacting your system’s performance.

Dealing with Underperformance

If you observe that your energy production is lower than expected, it might be due to various reasons like panel shading, dirt accumulation on the panels, or damage. Even a thin layer of dust or debris can impact solar panels’ efficiency, reducing their power output.

In such cases, it’s best to consult a professional. They can conduct a thorough assessment to determine the cause of underperformance and suggest suitable solutions. Sometimes, a simple cleaning might suffice, but other times, you might need repairs or system component replacements.

Trusting the Professionals for Repairs

Solar panels might seem simple in operation – converting sunlight into electricity, but they are complex pieces of technology. Therefore, it’s crucial to entrust the job to qualified professionals when it comes to repairs.

It is advisable to contact the company that installed your system for repairs, as they are most familiar with your system’s nuances. If that’s not feasible, contacting the system manufacturer or a certified solar technician can also ensure that you receive reliable, high-quality repair services.

Proactive Solar Panel Care

Beyond addressing problems as they arise, proactive solar panel care can prevent many issues from developing in the first place. Simple practices like keeping the panels clean and clear of debris, monitoring for shading, and regularly reviewing your system’s performance data can go a long way in maintaining your solar panels’ health.

maintenance engineer, Solar energy systems engineer perform analysis solar panels - how to repair your solar panels


While solar panels represent a significant investment, their maintenance doesn’t have to be a burden. With regular inspections, prompt attention to potential issues, and professional repairs when needed, your solar power system can continue to provide efficient, eco-friendly energy for decades. Now you know how to repair your solar panels. Embrace the sun’s power with the confidence that comes from knowing how to care for your solar investment.

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