Solar energy is a clean, renewable, and cost-effective source of power for residential and commercial properties alike. However, there may come a time when your solar installation isn’t performing as efficiently as it once did, leaving you with reduced energy output and potential frustration. Understanding common solar panel issues and how to troubleshoot them is critical in ensuring the longevity, performance, and effectiveness of your solar system.

As solar and electrical experts, the team at Static Solar and Electrical is dedicated to helping customers in the Northern Rivers of NSW region keep their solar installations running at optimal efficiency. In this informative guide, we will explore some of the most common solar panel issues that may hinder your solar installation’s performance, suggest ways to troubleshoot and resolve these problems, and discuss the importance of regular maintenance and professional assistance.

From addressing shading concerns to combating soiling and degradation, we will delve into the best practices for maximising your solar installation’s efficiency and maintaining the highest possible energy output. By understanding these common issues and seeking assistance from solar professionals like Static Solar and Electrical, you can ensure your solar system not only continues to deliver clean, renewable energy but also contributes to long-term cost savings for your property.

With guidance from the experienced technicians at Static Solar and Electrical, you can confidently navigate the challenges that may arise with your solar panels and maintain a sustainable and efficient energy solution for your home or business. Let’s uncover the answers and insights you need to optimise your solar installation’s performance and consistency.

Battling Shading and its Impact on Solar Efficiency

One of the most common issues affecting solar panel efficiency is shading. Shading can be caused by various factors, such as trees, nearby buildings, or other obstructions that cast shadows over your solar panels. Even the slightest shade can significantly reduce the amount of sunlight your panels receive, directly impacting their power output.

To address shading issues, consider the following:

  1. Site Assessment: Before installing your solar panels, ensure a thorough site assessment is conducted to identify and address potential shading concerns.
  2. Regular Pruning: Keep nearby trees well-trimmed and remove any branches that might grow to obstruct sunlight.
  3. Solar Panel Placement: Be strategic in your solar panels’ positioning, avoiding areas with a high potential for shading during the installation process.

Tackling Soiling and Debris Build-Up

An accumulation of dirt and debris on your solar panels can also hamper their efficiency. Dust, pollen, bird droppings, and other particulates can obstruct sunlight, reducing the amount of light reaching your solar cells.

To combat soiling and debris build-up, consider the following:

  1. Regular Cleaning: Periodically clean your solar panels using mild soap and water paired with a soft brush or cloth. Ensure you follow the manufacturer’s recommendations for cleaning.
  2. Rainwater Utilisation: Rain can naturally clean your solar panels. However, in drier climates where rain is infrequent, it’s crucial to take a proactive approach to cleaning.
  3. Protective Measures: You might consider installing bird barriers or anti-roosting devices to minimise bird droppings and associated damage.

Addressing Panel Degradation and Ageing

Solar panels, like any other device, will experience degradation over time. Environmental factors such as temperature fluctuations and weather conditions can contribute to panel ageing. While solar panels generally have a long service life of 25 years or more, their efficiency can still gradually decline as they age.

To minimise degradation and ageing impacts, consider the following:

  1. Quality Panels: Invest in high-quality solar panels from reputable manufacturers known for their durability and long service life.
  2. Regular Maintenance: Schedule regular solar panel maintenance and inspections to ensure panels continue to perform optimally, promptly identifying and addressing any arising issues.
  3. Monitor Performance: Keep an eye on your solar panels’ performance, noting any unusual declines in efficiency, which could warrant further investigation.

When Professional Solar Repair and Maintenance Is Necessary

While understanding common solar panel issues and adopting basic troubleshooting measures can help maintain your solar installation, there are times when professional assistance is necessary. Some scenarios where professional solar repair and maintenance might be required.

  1. Electrical Issues: If your solar system experiences technical problems such as faulty inverters, damaged wiring, or malfunctioning charge controllers, seek professional assistance from a solar technician.
  2. Structural Damage: Storms, falling branches, or other incidents can lead to structural damage to your solar installation. A professional solar technician should assess and repair any significant damage.
  3. Warranty Claims: If your solar panels are under warranty and you experience issues covered by the warranty, engaging a licensed solar professional is necessary to make a legitimate claim.
  4. Advanced Troubleshooting: There may be situations where basic troubleshooting doesn’t resolve the issue, and more advanced diagnostics by an experienced solar technician are required.

By partnering with solar and electrical experts like Static Solar and Electrical, you can be confident that your solar installation is in capable hands. From identifying potential issues to providing solutions for your solar panels, our team of experienced technicians is committed to ensuring your solar installation’s efficiency and reliability.


Understanding and addressing common solar panel issues are critical in maintaining optimal efficiency and energy output from your solar installation. Armed with the knowledge provided in this guide, along with professional support from solar experts like Static Solar and Electrical, you can troubleshoot and resolve common solar issues, ensuring your system continues to provide clean and renewable power for years to come.

Regular solar panel maintenance and inspections by experienced technicians are vital in identifying potential issues early and mitigating their impacts. By trusting Static Solar and Electrical’s solar installation services—from the initial assessment to ongoing maintenance and repair—you can be confident that your solar system is in the best hands. Partner with Static Solar and Electrical today and embark on a sustainable and efficient journey into the future of solar energy.