Taking Care of Your Solar Panels: A Guide to Maintenance

Cleanliness is next to godliness, as the saying goes. The same is true for maintaining solar panels. To get the most out of your solar power system and prolong its lifespan, you must keep it clean and in top condition. If you are a homeowner with solar panels, you need to make sure they are running efficiently. This blog post is a guide to help you understand what type of maintenance your solar panels need and how to do it effectively.


1. Regular Cleaning
Cleaning your solar panels regularly is vital to ensure that they work at full efficiency. Dirt, dust, bird droppings, and snow can significantly decrease the output of your solar panels. The first thing you should do is to check the manufacturer's cleaning instructions before you start. Generally, you will need only soap and water, and a soft brush or squeegee to clean the panels. Do not use abrasive or harsh cleaners, which can damage the panels. Make sure to clean them on a cloudy or overcast day to avoid the risk of burning yourself when the sun is out.

2. Routine Inspection
Inspecting your solar panels regularly is essential to ensure that they are still in working condition. Check for any cracks, chips, or fractures that could affect the performance of the system. It is important to note that, in most cases, damage to solar panels is not covered under warranty, so regular inspections are vital. If you notice any signs of wear and tear, address them as soon as possible. That way, you'll minimize the risk of more severe damage.

3. Maintain Shading
The output of your solar panels depends on the amount of sunlight they receive. Shading from trees, buildings, or other obstructions can significantly decrease efficiency. Ensure that you maintain the trees and other obstructions close to the panels. Plant shrubs and trees away from the panels and prune them regularly to prevent shading. Also, consider installing a solar panel monitoring system that can alert you if shading becomes an issue.

4. Keep Your System Up To Date
Your solar power system should always be updated, particularly if you are using an older model. Solar panel technology, like most things, is evolving at breakneck speed. The software behind the panels is all updated periodically to improve system performance. The manufacturers will usually send updates to your inverter remotely or through firmware updates. You may also want to consider upgrading your system to the latest technology to ensure that you are getting the most out of your solar panels.

5. Check Your Inverter
The solar panel's inverter is a crucial component of the system, as it converts solar power generated by the panels into electricity that your home can use. It is recommended that you have your inverter checked every two years by a professional to help you to spot potential issues and prevent any damage that could lead to the inverter failing.


Maintaining your solar power system doesn't have to be a difficult or complicated task. A few regular checks and basic upkeep can keep your system running efficiently for years to come. Remember to be cautious when working on your solar panels, and always seek professional help if you feel unsure of what to do. As long as you are diligent and aware of your system's needs, your solar panels will continue to provide you with clean and renewable energy for years to come.

This article was updated on April 29, 2023