Solar
Maintenance (MOT)

Keeping your solar system performing efficiently, safely, and reliably all year round.

Solar Panel System Checks

Most solar systems are installed and then left alone for years.

They keep generating power in the background, so it is easy to assume everything is working as it should.
The reality is that parts of the system slowly wear over time.
Connections can loosen.
Cables sit in the sun year after year.
Panels collect dirt and debris.

None of this usually causes a sudden failure.
What tends to happen instead is a slow drop in performance.

That is why we recommend a solar system inspection every five years.

A routine check helps confirm the system is still operating safely and producing the output it should.
It also creates a record of maintenance, which can help if you ever need to make a warranty claim later on.

Our Solar Maintenance MOT is designed to give you a clear picture of your system’s condition.

Drone Inspection of the Solar Panels

We start by inspecting the solar system itself.

Many panels sit on pitched roofs, making them difficult to check safely.
To solve that, we use our fully insured drone service.

This allows us to capture detailed images across the entire system without unnecessary roof access.

During the inspection we look for:
• Cracked or damaged panels
• Dirt, leaves, or bird fouling
• Loose mounting brackets
• Signs of weather damage

These issues often go unnoticed but can affect system output.

Electrical Component Checks

A solar system is more than just the panels.

We inspect all accessible electrical equipment, including:
• Inverters
• Isolators
• Junction boxes
• Mounting hardware

We check for:
• Wear and tear
• Heat damage
• Corrosion
• Signs of deterioration

Catching problems early makes them easier to fix.

Electrical Cable Inspection

Solar cables are exposed to the elements for long periods.

We check all visible cables to ensure they remain in good condition.

During this inspection we look for:
• Cracks or insulation damage
• UV wear
• Loose cable clips or supports
• Signs of strain or poor routing

Healthy cabling is essential for safety and performance.

Electrical Connection Checks

Connections naturally loosen over time due to heat cycles and vibration.

This can cause resistance to build up, leading to heat and potential faults.

We:
• Inspect all accessible connections
• Tighten where required

A simple step that can prevent future issues.

Protective Device Checks

Solar systems include protective devices to prevent damage from faults.

We check:
• Devices are still suitable
• Ratings match the installation

This ensures the system continues to operate within safe limits.

Solar String Testing

Visual checks only tell part of the story.

We carry out electrical testing and record:
• Voltage
• Short circuit current
• Insulation resistance

These readings confirm the system is operating within expected tolerances.

Minor Repairs During the Visit

If we find small issues, we fix them during the visit where possible.

This may include:
• Tightening connections
• Adjusting cables
• Resetting components

If larger work is needed, we explain everything clearly and outline your options.

Full Inspection Report

After the inspection, you receive a detailed report.

This includes:
• Electrical test results
• Inspection notes
• Photographs
• Work carried out
• Future recommendations

Useful for warranties and insurance queries.

Solar Panel Cleaning

Solar panels rely on sunlight reaching the glass surface.

Build-up of dirt or debris can reduce performance.

If needed, we can carry out panel cleaning during the visit.

A simple step that helps restore normal output levels.

When Was Your System Last Checked?

Many systems go years without inspection.

Everything may seem fine, but small issues build over time.

A five-year inspection helps identify problems early — before they become bigger and more costly.