Solar panels are a fantastic investment, offering both environmental and financial benefits. As more people in Pakistan turn to solar energy, understanding when these systems need maintenance or repair becomes crucial. This guide will walk you through the top signs that your solar panels might need attention, helping you maintain their efficiency and longevity.
1. Low and Irregular Power Output
One of the most obvious indicators that your solar panels might need repair is a noticeable drop in power output. Solar panels are designed to provide a consistent amount of energy, and while weather conditions can affect this, a persistent decline or irregular output suggests an underlying issue. If your system consistently underperforms, it may be time to consult a professional for a thorough inspection.
2. Cracks or Broken Glass Casings
Physical damage to your solar panels, such as cracks or broken glass, can significantly impact their efficiency. These damages are often caused by improper handling, installation errors, or severe weather conditions. Even minor cracks can decrease power output by up to 2.5%. To ensure optimal performance, it’s crucial not to ignore any signs of physical degradation.
3. Inverter Issues
The inverter is the heart of your solar panel system, converting the energy harvested by your panels into usable electricity. If the inverter malfunctions, your system cannot fulfill its purpose. Common signs of inverter issues include error messages and warning lights. Addressing these issues promptly can prevent more severe problems down the line.

4. Solar Panel Age
Solar panels are built to last, often functioning efficiently for over 20 years. However, as they age, their efficiency naturally decreases. Once your system hits the 20-year mark, regular maintenance becomes even more critical. Staying vigilant about potential system errors and scheduling regular check-ups can extend your panels’ lifespan.
5. Wiring Problems
Loose solder connections, oxidation, and corrosion are common wiring issues that can affect solar panel performance. If tapping the panel causes the cell power to turn on and off, it’s likely a wiring problem. Regular inspections can help identify and fix these issues before they lead to more significant damage.
6. Debris Accumulation
Debris such as bird droppings, leaves, and dust can accumulate on your solar panels, blocking sunlight and reducing efficiency. While regular cleaning can mitigate this issue, professional cleaning services might be necessary in heavily polluted areas. Keeping your panels clean can boost their efficiency by up to 30%.
7. Burnt Marks and Discoloration
Yellow to dark brown discolorations on your panels’ conductor strips indicate corrosion and uneven temperature distribution. This can lead to compromised energy output and efficiency. Addressing these signs early can prevent more extensive damage.
8. Subpar or Counterfeit Materials
Using subpar or counterfeit materials can drastically reduce your solar system’s efficiency. Ensure that all components are genuine and meet quality standards. If you suspect that your system includes inferior materials, have them replaced immediately to avoid further complications.
9. Unexpected Shutdowns
Frequent or unexpected shutdowns are a clear sign that your solar panel system requires attention. Common causes include manufacturing defects, faulty installation, and wiring problems. Addressing these issues promptly can restore your system’s reliability.
Importance of Regular Maintenance
Regular maintenance is crucial to keeping your solar panels in top condition. Ignoring maintenance can lead to decreased efficiency and costly repairs. Here are some maintenance tips to keep your panels running smoothly:
Cleaning
Regularly cleaning your solar panels can prevent debris from blocking sunlight and affecting performance. In most cases, hosing down the panels with water is sufficient. In areas prone to heavy pollution, a more thorough cleaning might be necessary.
Inspection
Periodic inspections by a professional can identify potential issues before they become serious problems. Look for physical damage, wiring issues, and any signs of wear and tear.
Monitoring Performance
Keep track of your solar panels’ performance to spot any irregularities early. Monitoring systems can help you track energy output and efficiency, making it easier to detect when something is wrong.
Manufacturer’s Guidelines
Always follow the manufacturer’s maintenance guidelines to ensure your panels receive the proper care. This includes cleaning instructions, inspection schedules, and any other specific recommendations.
Solar Panel Price in Pakistan
Understanding the cost of solar panels in Pakistan is essential for those considering installation or needing repairs. The price can vary based on the brand, type, and efficiency of the panels. Here are some general price ranges to give you an idea:
- Basic Solar Panels: PKR 20,000 – PKR 50,000
- Mid-Range Solar Panels: PKR 50,000 – PKR 100,000
- High-End Solar Panels: PKR 100,000 – PKR 200,000
These prices can fluctuate based on market conditions, availability, and specific requirements. Investing in high-quality panels can save money in the long run by reducing maintenance costs and increasing efficiency.
Solar Panel Repair Services
When your solar panels need repair, professional services are crucial to restoring their performance. Here are some benefits of hiring professional repair services:

Expertise and Experience
Professional technicians have the expertise and experience to diagnose and fix various issues. They can identify problems that might not be visible to the untrained eye and ensure that repairs are done correctly.
Safety
Repairing solar panels can be dangerous, especially if you are not familiar with electrical systems. Professionals have the necessary safety equipment and training to handle repairs safely.
Warranty Protection
Many solar panels come with warranties that require professional maintenance and repair. Attempting to fix the panels yourself can void the warranty, leading to higher costs in the long run.
Comprehensive Services
Professional repair services offer comprehensive solutions, including cleaning, inspections, and component replacements. This ensures that all aspects of your solar system are functioning correctly.
Solar Panel Repair Kits
For minor issues, solar panel repair kits can be a cost-effective solution. These kits typically include tools and materials for basic repairs, such as:
- Adhesives and Sealants: For fixing cracks and sealing connections.
- Cleaning Solutions: Specialized solutions for cleaning panels without damaging them.
- Replacement Parts: Basic components like connectors and wiring.
While repair kits can be useful for minor repairs, they are not a substitute for professional services. Always consult a professional for major issues or if you are unsure about how to use the kit.
Conclusion
Solar panels are a valuable investment that requires regular maintenance and occasional repairs to ensure optimal performance. By understanding the signs that your panels need repair and taking proactive steps, you can extend their lifespan and maximize their efficiency. Whether you need professional repair services or just a thorough cleaning, staying vigilant about your solar panels’ condition is key to reaping the full benefits of solar energy.
Investing in high-quality solar panels and following the manufacturer’s maintenance guidelines can save you time and money in the long run. And if you’re in Pakistan, being aware of the current solar panel prices can help you make informed decisions about your solar energy system.
At Alternate Solar Energy, we are committed to providing top-notch solar panel repair services to keep your system running smoothly. Contact us today for more information on how we can help you maintain your solar energy investment.