Investing in solar panels is one of the smartest ways to reduce your energy bills, improve your home’s energy independence and cut your carbon footprint. Solar energy is clean, renewable and highly efficient, but like any long term investment, your system needs proper care to perform at its best. Regular solar panel maintenance helps maximise efficiency, prevent avoidable issues and extend the lifespan of your solar PV system.
At SolarTherm UK, we’re committed to helping homeowners across the South East get the most from their solar PV system. This guide will explain why maintaining your solar panels is essential and share practical tips to keep them operating at peak performance.
Why Solar Panel Maintenance Matters
While modern solar panels are built to last and are durable and weather resistant, their performance can decline if they are not properly cared for. Dirt, debris, shading and minor wear and tear can all reduce the amount of sunlight reaching the cells, lowering your system’s output. Routine solar panel maintenance ensures your panels continue generating clean, free electricity efficiently and reliably long term.
Benefits of Proper Solar Panel Care
Longer Solar Panel Lifespan
Well maintained solar panels can last longer than their minimum 25 year lifespan. Most will continue generating free electricity efficiently for up to 40 years when looked after properly.
Improved Efficiency and Output
Dust, leaves, bird droppings and dirt can all significantly reduce the efficiency of your solar panels. Keeping your panels clean ensures maximum solar absorption and optimal energy generation.
Early Detection of Issues
Carrying out routine inspections of your solar panels can identify problems such as loose wiring, hairline cracks, shading issues and inverter faults sooner. Addressing them early can reduce repair costs and prevents downtime that loses you money.
Peace of Mind
Knowing your solar panels are working and in excellent condition means confidence that you’re getting the best return on your investment, all year round.
DIY Solar Panel Care Tips
Maintaining your systems doesn’t have to be complicated. Here are some homeowner friendly maintenance tips:
Regular Cleaning
How often you clean your solar panels will depend on where you live. Coastal areas and spots with heavy bird activity may require more frequent cleaning.
- Use cool water and a soft cloth or sponge
- Avoid high pressure washers or harsh chemicals that can damage the panels’ surface
- Choose a cool, overcast day to avoid water sports or streaking
Visual Roof Level Inspection
Check for:
- Dirt build up
- Debris such as leaves or branches
- Signs of physical damage such as chips or cracks
- Shading changes caused by trees, chimneys or nearby buildings
Keep Panels Free from Obstructions
Trim back trees and shrubs that may cast shadows on your panels throughout the day. Overhanging trees also encourage nesting birds which can result in bird droppings being left on your panels.
Why Professional Solar Panel Maintenance is Essential
DIY care is helpful, but professional solar panel maintenance ensures a thorough, expert check is carried out. SolarTherm UK recommends a professional inspection periodically to check for damage, corrosion and seal integrity. Our MCS certified solar technician will inspect cabling, connections, your inverter and system safety components to check all are in full working order and there’s no underlying issues affecting the efficiency of your solar PV system.
Maximising Your Solar Panel Performance
To ensure your system works as efficiently as possible:
Monitor Your System Regularly
Most modern solar inverters now include online monitoring. Checking this frequently will help you spot a sudden or unexpected drop in output, indicating there is an issue with your system.
Ensure Optimal Panel Positioning
Your panels should be angles and oriented for maximum sunlight exposure. If shading or structural changes occur, an assessment of the positioning of your solar panels may be beneficial.
Consider Professional Cleaning Services
Homes with high roofs or difficult access benefit from professional cleaning to ensure safety and thoroughness. Don’t put yourself at risk to keep your panels clean.
Explore Technology Upgrades
Solar technology has developed significantly in the last decade. If your system is older, newer panels may offer greater efficiency. SolarTherm UK can advise whether upgrading is worthwhile for your property.
SolarTherm UK: Your Local Solar Panel Experts in the South East
At SolarTherm UK we’re committed to keeping your solar panels performing at their highest level, from installation to ongoing maintenance and technical support. With over 15 years experience in the solar industry, you can trust us to protect your investment and help you maximise your renewable energy savings.
Get In Touch
To book a solar panel maintenance check, contact SolarTherm UK today. Our dedicated Aftercare Team are only a call away or can be contacted via our Customer Support Helpdesk.
If you’re looking to start your solar journey, SolarTherm UK will provide a you with a free, no obligation quote and design, tailored to your property, usage and future energy needs. No hard sell, just honest, expert advice.
Let our experts help you keep your solar energy system running efficiently for years to come.
Your home. Your energy. Your future.
