To extend the lifespan of solar panels, several maintenance practices can be implemented:
General Maintenance Tips
- Cleaning: Solar panels should be cleaned at least twice a year to remove dirt, dust, debris, and other substances that can obstruct sunlight. If your panels are located in areas prone to high pollution or low rainfall, cleaning should be done more frequently, ideally every three months.
- Monitoring: Regularly monitor the energy output of your solar panels using available monitoring tools or apps. A decrease in output may indicate that the panels need cleaning or other maintenance.
- Inspections: Annual inspections by solar professionals can help identify issues early, such as loose connections or damaged panels.
Specific Cleaning Techniques
- Tools: Use a soft-bristled brush or non-abrasive sponge to gently remove debris. Avoid using harsh chemicals or abrasive materials that could damage the panels.
- Water Temperature: When cleaning, use cold water, especially on hot panels to prevent cracking. Avoid using hot water, especially if there’s snow present, to avoid damaging the tempered glass panels.
- Timing: Clean panels early in the morning or late afternoon to prevent rapid evaporation and streaking.
Environmental Considerations
- Shade and Vegetation: Ensure that trees or other obstructions do not cast shadows on your solar panels. Trim vegetation annually to maintain optimal performance.
- Temperature and Weather: High temperatures can reduce panel efficiency, so ensure your panels are well-ventilated. During heavy snowfall, clear the snow off your panels using a squeegee or lukewarm water.
Warranty and Professional Services
- Warranties: Understand that most solar panel warranties cover manufacturing defects but not maintenance such as cleaning. Professional cleaning services are often recommended for ease and safety.
- Costs: While solar panel maintenance is generally low-cost, consider annual inspections and cleaning to ensure peak performance and extend lifespan. Costs can range from $150 to $300 for an inspection, and similar for cleaning services.
Original article by NenPower, If reposted, please credit the source: https://nenpower.com/blog/are-there-specific-maintenance-practices-to-extend-solar-panel-lifespan/
