MCS-Certified Solar Maintenance
Solar Panel Maintenance & Servicing
Protect your solar investment and maintain peak performance with professional annual servicing, cleaning, and fault diagnosis from ElectriFusion Solutions. Soiled or faulty panels can lose 5–25% of their output — our maintenance service keeps your system generating at its full potential.
MCS
Certified engineers
25%
Output restored by cleaning
All
Brands serviced
Annual
Contracts available
Written
Service report included
Why Solar Panel Maintenance Matters
Solar panels are often marketed as maintenance-free, but this is only partly true. The panels themselves are indeed robust and long-lasting, but that does not mean they perform at their best without attention. Dust, pollen, bird droppings, moss, and lichen accumulate on panels over time, reducing the amount of light reaching the solar cells and reducing your electricity generation — and therefore your savings and Smart Export Guarantee income.
Beyond cleaning, annual servicing is essential to check the electrical health of your installation. Connections can corrode, DC isolators can fail, and inverters can develop faults that are not immediately obvious from your monitoring app. Catching these issues early prevents small problems from becoming expensive ones, and ensures your system stays within the terms of your manufacturer warranties.
At ElectriFusion Solutions, we service both systems we have installed and those installed by other companies. Whether you have solar panels only, a combined solar and battery storage system, or a complete solar, battery, and EV setup, our MCS-certified engineers will keep every component performing at its best.
Impact of Soiling on Solar Output
Output reduction figures are approximate. Actual losses depend on panel type, soiling distribution, and system configuration.
What Our Service Includes
Every annual service visit from ElectriFusion Solutions covers the complete health of your solar installation — not just a quick clean.
Visual Panel Inspection
Close visual inspection of every panel for micro-cracks, cell discolouration, delamination, hotspot damage, and connector integrity. Check all mounting hardware, roof fixings, and rail alignment for corrosion or movement.
Professional Panel Clean
Professional cleaning using purified deionised water and soft-bristle brush equipment. This removes all soiling including bird droppings, lichen, pollen, and traffic film without scratching panel surfaces or leaving mineral residue that attracts future dirt.
Inverter Health Check
Review of inverter error logs for fault codes or performance anomalies. Check DC and AC connections, ventilation, and firmware version. Verify generation data against historical averages to detect hidden underperformance. For hybrid inverters, check battery communication and charge settings.
Electrical Safety Checks
Test DC isolators, AC isolators, and circuit protection devices for correct operation. Check earthing continuity and bonding connections. Inspect DC wiring for degradation, UV damage, or pest interference. Verify surge protection devices where fitted.
Monitoring Data Review
Analysis of generation data from your monitoring system to identify underperforming strings, panels, or time periods. Compare against expected output for your location, orientation, and system size. Identify trends that could indicate developing faults before they cause significant generation loss.
Written Service Report
Detailed written service report documenting all findings, cleaning carried out, electrical test results, and any recommendations for remedial work. This record is invaluable for warranty purposes and provides a clear history of your system's condition over time.
Solar Panel Maintenance Schedule
Solar panels have no moving parts, degrade at just 0.5–0.8% per year, and retain over 80% output at 25 years. UK rainfall helps keep panels relatively clean, but a regular maintenance schedule maximises performance and protects your warranty.
| Task | Frequency | Typical Cost | Why It Matters |
|---|---|---|---|
| Panel cleaning | Every 12–18 months | £80–£200 | Removes bird droppings, dust, and pollen that reduce output by 5–15% |
| Visual inspection | Twice yearly | Free (DIY) | Check for visible damage, loose fixings, or bird nesting from ground level |
| Monitoring app check | Monthly | Free | Review generation data to spot any sudden drops indicating a fault |
| Professional inspection | Every 5–10 years | £50–£100 | Electrical testing, earthing check, and full system health assessment |
| Inverter replacement | 10–15 years | £800–£1,500 | Covered by ElectriFusion lifetime warranty — you pay nothing |
With our lifetime inverter warranty, the most expensive maintenance event (inverter replacement) is fully covered. Your ongoing maintenance costs are minimal.
Maintenance Pricing
Transparent, straightforward pricing for solar panel maintenance. All prices include VAT. Exact cost may vary for larger systems or difficult access.
One-Off Clean
From £120
- Purified water panel clean
- Visual panel inspection
- Brief condition feedback
- Full electrical safety checks
- Written service report
Annual Service
From £199
- Full panel clean
- Inverter & electrical checks
- Monitoring data review
- Written service report
- Warranty-compliant documentation
3-Year Contract
From £159
per year — save £120 over 3 years
- Everything in Annual Service
- Priority scheduling
- Discounted call-out rates
- Annual performance report
- Battery service add-on available
Fault Diagnosis and Repair
If your solar system is generating less than expected, producing error codes, or has stopped working entirely, our diagnostic service identifies the cause quickly and provides a clear path to repair. Common faults we encounter include failed DC isolators, inverter component failures, connector degradation, panel delamination, and damage from bird or pest activity.
Our engineers carry specialist fault-finding equipment including IV curve tracers, thermal imaging cameras, and insulation resistance testers. This allows us to identify issues that are impossible to detect visually, such as internal cell damage or poor string performance caused by a single degraded connector. Most faults are diagnosed and repaired in a single visit.
Where faults are covered under your existing warranty, we handle the claims process with the manufacturer on your behalf. For systems we originally installed, our lifetime inverter and battery warranties mean repairs are carried out at no cost to you. For third-party installed systems, we provide a transparent fixed-price quotation before any work begins.
Upsell and Upgrade Options
A service visit is also an excellent opportunity to review whether your solar system could be upgraded to deliver greater savings. If you have an older system without battery storage, our engineers can assess whether your existing inverter is battery-compatible and design a battery retrofit that maximises your self-consumption.
For homeowners who have not yet added an EV charger, we can discuss smart charging options that allow you to fuel your electric vehicle with free solar energy. We can also discuss adding extra panels if your roof has unused capacity, or upgrading to a newer, higher-efficiency inverter if your current unit is aging.
Our service engineers are not salespeople — they will only recommend upgrades that genuinely improve your system's performance and financial return. Any recommendations are documented in your service report with clear ROI calculations so you can make an informed decision at your own pace.
Solar Panel Maintenance FAQs
Everything you need to know about keeping your solar system in top condition.
How often should solar panels be serviced?
Do dirty solar panels really affect performance?
Is annual maintenance required to keep my warranty valid?
Can you maintain solar panels installed by another company?
What does a solar panel service include?
How long does a solar panel service take?
What happens if a fault is found during service?
Do you offer solar panel maintenance contracts?
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