Solar energy systems are built to last, but like any equipment, they can need the occasional attention to detail to stay in top shape. Many solar installations can run smoothly for years without much intervention, but regular inspections are key to ensuring that your investment continues to perform efficiently. In some cases, especially in the case with older systems, issues may point to the need for solar repowering, where parts of your system are upgraded to improve its performance. But even if you're not ready for a major overhaul, keeping an eye out for early warning signs can make all the difference and prevent small problems from turning into costly repairs. Let's take a closer look at the 7 signs that your solar panels need an inspection.
Image: Vivint Solar
By Team Savant
Energy output has dropped suddenly. One of the clearest signs something is wrong with your solar panel system is an unexpected drop in energy production. If you're monitoring your system regularly, which you should be, a noticeable dip in output can mean a variety of things, from damaged panels to malfunctioning inverters. Compare your current energy production with historical data for the same time of year to rule out any seasonal variations, but a professional inspection can pinpoint the issue.
Give Your Panels a Clean
If there is visible dirt, debris or damage to your panels then they do need to be inspected to make sure they are still working correctly. Visible grime and physical damage is a strong sign they need attention. You should be cleaning your panels regularly, but dust, bird droppings, leaves and even mold can block sunlight and reduce efficiency of the panels themselves. In regions that are prone to storms, hail or falling branches, panels can crack or become misaligned.
Your Energy Bills Are Going Up
That's going to happen year on year as energy companies become greedier. But one of the best perks of going solar is the fact that your energy bills are supposed to be lower. If you start to notice a gradual increase in what you owe your utility company despite your consistent energy use, it could mean your system isn't producing as much power as it should. This is not something you should ignore.
You're Seeing Error Messages or Warning Lights
The inverter is the heart of your solar system, so if there are warning lights or error messages on it then it needs to be checked to make sure that it's working correctly. Converting sunlight into usable electricity is important, but most modern systems have inverted displays or online monitoring tools. This can show you the performance data and if you see lights, codes or inconsistent readings, you need to take these seriously. These signs will often precede more serious system failures and usually require a technician to diagnose and resolve the issue.
You're Dealing With Unexpected Shutdowns
If your solar panels are shutting down or you're seeing power fluctuations, there could be an underlying issue that you've been missing with the wiring, the inverter, or even shading caused by growing trees. Any service interruptions, even the temporary ones, are worth investigating.
Aging Components
Solar panels are built to last, but not all parts of the system have the same lifespan. Inverters, wiring, and mounting hardware may wear out sooner, and if your system is more than 10 years old, it's always a good idea to schedule periodic inspections to check for wear and tear. Routine checkups will help you to spot any problems early on and evaluate whether it's time for maintenance or component upgrades.
You're Dealing With Severe Weather
Severe weather events can damage solar panels or shift the alignment, so after a storm, it's always a good idea to inspect your system or have a professional do it for you. Even if there's nothing visible, hidden issues like water ingress or weakened mounts can develop over time and affect performances.
Solar panels do not require constant attention, but they are not completely hands off either. Like any valuable asset, they deserve regular check insurance and looking after. Watching for these signs will help you to catch issues early and maintain your efficiency levels. If you're in doubt about it, don't do it yourself. To fix it, call in a certified solar technician because a professional inspection is a small price to pay for Peace of Mind and long term performance.