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If your solar panel system isn’t performing as efficiently as it should, it may be time for a service or repair.

Regular solar panel servicing helps maintain energy output, extend the system lifespan, and prevent costly faults.

Whether you’ve noticed reduced energy generation, inverter errors, or damage after bad weather, find a qualified solar panel engineer in Shetland Islands with Checkatrade for a job done right.

What is solar panel servicing and repair?

Solar panel servicing involves inspecting, cleaning and testing all system components to ensure they’re functioning safely and efficiently. This includes checking panels, wiring, inverters and mounting systems for faults or wear.

Solar panel repairs may involve replacing cracked panels, fixing electrical connections, repairing roof mounts, or resolving inverter faults that can affect performance.

Regular maintenance ensures your solar setup continues generating maximum renewable power.

How much does solar panel servicing or repair cost?

Solar panel servicing costs typically start from £100–£200 for a standard inspection and clean.

• Minor repairs, such as fixing loose wiring or faulty connections, can cost £150–£300
• Inverter replacements can range between £800–£1,000, depending on the model

Our solar panel maintenance cost guide contains more information.

Aim to get quotes from a selection of solar panel engineers covering your area to compare labour rates, call-out fees, and warranty coverage for parts.

Solar panel servicing vs full replacement

• Servicing/repair: Ideal for maintaining efficiency, extending lifespan, and preventing bigger faults. It’s typically inexpensive and quick to complete
• Replacement: Often best if panels are more than 15–20 years old or repeatedly underperform. New panels may improve efficiency and qualify for updated warranties

A qualified solar panel engineer can test each component and let you know if repair or replacement is the best long-term option.

How long do solar panels last?

High-quality solar panels usually last 25 years or more, though inverter components may need replacing sooner.

What are the benefits of regular solar panel servicing?

Benefits of regular solar panel servicing include:

• Maximised energy efficiency and lower electricity bills
• Early detection of electrical faults or damage
• Compliance with manufacturer warranties
• Improved system safety and reliability

Maintenance of solar panels

To keep your solar panels performing efficiently:

• Schedule a solar panel clean and inspection every 1–2 years
• Check for dirt, debris or bird droppings that block sunlight
• Keep nearby trees trimmed to avoid shading

Never attempt to inspect your roof-mounted solar panels — always hire a qualified solar panel engineer for safe roof-access cleaning and system testing.

Tips for hiring a solar panel servicing and repair service in your area

Before hiring an engineer for solar panel servicing and repair, follow these steps to ensure you hire right:

• Read reviews on Checkatrade to see feedback from real customers
• Check services offered, such as panel cleaning, fault diagnostics, inverter replacement, and roof mount repair
• Ensure the engineer is MCS-certified for solar PV systems
• Compare at least three quotes for a fair rate and suitable warranty terms

For tradespeople committed to quality and a job done right, search for solar panel servicing and repair in Shetland Islands with Checkatrade.