Maintaining your solar panels might not seem urgent once they’re installed, but consistent care is essential for long-term performance. Whether you're in the heart of Norwich or a rural part of Norfolk, a proactive maintenance routine will help your system run more efficiently, last longer, and deliver the returns you expect.
Practical Maintenance Tips to Keep Your Solar Panels Performing at Their Best
Solar panels are a valuable long-term investment that offer both environmental and financial benefits. While they are built to be durable and low-maintenance, regular care helps to maintain efficiency, extend their lifespan, and ensure consistent energy output. Without attention, debris build-up or undetected faults can gradually reduce performance and cut into your savings.
Keeping Your Panels Clean
Dirt, bird droppings, pollen, and leaves can all block sunlight from reaching the photovoltaic surface. In the UK, rainfall generally helps to wash away light debris, but panels may still need occasional cleaning, especially if they are installed at a low angle or near trees and roads. Use warm water and a soft sponge or brush, avoiding any abrasive materials or harsh chemicals. The best time to clean is early morning or late evening, when the panels are cool and the sun is less intense, helping to avoid streaks and potential thermal shock.
Carrying Out Visual Inspections
It’s good practice to inspect your panels regularly for any visible damage. Look out for cracked glass, corrosion, loose cabling, or signs of wear around the mounting system. Most faults are rare but can occur due to storms, falling debris, or wildlife. If your panels seem dirty or damaged and you’re unsure how to proceed, avoid climbing onto the roof, instead, contact a professional technician to carry out a safe and thorough check.
Monitoring System Performance
Tracking your system’s output helps you catch issues early. Most modern solar systems include an app or online dashboard that displays daily and monthly performance. Sudden drops or gradual declines in energy generation could signal a dirty panel, shading issue, or component failure. If your system doesn't have built-in monitoring, consider installing a third-party tracker or reviewing your energy bills for unexpected changes.
Scheduling Annual Servicing
An annual service by a certified solar engineer can identify and fix minor issues before they become serious problems. During the visit, they’ll inspect the inverter, test electrical connections, check for shading or wiring faults, and ensure your system complies with safety standards. This is particularly important if you use battery storage or export power to the grid.
Long-Term Benefits of Maintenance
Consistent maintenance supports optimal performance and protects your return on investment. Clean, efficient panels not only generate more electricity, they also reduce reliance on the grid and help lower your carbon footprint. With minimal effort, you can keep your solar system working reliably for 20 years or more.
Looking to keep your solar panels running efficiently in Norwich or Norfolk?
Norfolk Renewable Heating offers expert servicing and solar maintenance to keep your system in top condition. Call us today on 07824 393403 or 07939 979217, or fill out our contact form to book your inspection.
