A Guide to Commercial Solar Maintenance for Running in Long Term

The ‘set and forget’ assumption has been a selling point for many commercial solar panel installations in Australia. This implies that once the system is installed, it will operate smoothly for most of its lifespan.

However, it’s important to recognise that proactive maintenance and inspections are crucial for the effective and safe operation of solar assets, as recommended by industry bodies like the Clean Energy Council. These inspections should align with Australian Standards 5033 to ensure the best performance of your solar energy investment in Australia.

Technician Maintaining Commercial Solar Panels

Contents

Poor Cable Management
Loose Cable Terminations
Inadequate Weather Protection for Components
Inverter Malfunctions
Cracked or Broken Solar Panels
These Issues Often Lead To
Electrical Inspection
Component Inspection
Cable & Termination Check
Label Verification
Equipment Inspection
Performance Monitoring

Why Commercial Solar Maintenance Is Essential?

Solar panels in Australia are assets that generate electricity and are exposed to various weather conditions like rain, hail, heat, wind, and dust. These elements can gradually degrade material performance and pose safety concerns.

While some performance issues can be monitored remotely, an onsite examination is often necessary to ensure the best performance and safety of your solar energy investment in Australia.

Common Problems with Commercial Solar Systems in Long Term

Poor Cable Management

Suboptimal cable organisation in commercial solar systems can cause issues over time, with tangling and exposure leading to increased wear. Poorly managed cables hinder maintenance, making problem identification challenging.

Regular inspections and effective cable management are crucial to prevent these common issues and maintain optimal functionality in commercial solar systems.

Loose Cable Terminations

Over time, vibrations, temperature fluctuations, and mechanical stress can cause cable terminations to become loose.
Loose connections increase electrical resistance, leading to energy losses and potential safety dangers.
Routine inspections and tightening of cable terminations are essential preventive measures to maintain system efficiency and reliability.
Employing high-quality connectors and ensuring proper solar panel installation can mitigate the risk of terminations coming loose.

Inadequate Weather Protection for Components

Excessive exposure to harsh weather conditions, such as extreme heat, cold, or moisture, can degrade the performance and lifespan of solar components.
Inadequate weather protection may lead to corrosion, rust, and damage to sensitive electronic parts.
Implementing robust weatherproofing measures, such as enclosures and protective coatings, is crucial to safeguarding the system against environmental elements.

Inverter Malfunctions

Inverters play a critical role in converting direct current (DC) generated by solar panels into usable alternating current (AC).
Long-term exposure to high temperatures, electrical surges, or manufacturing defects can result in inverter malfunctions.
Regular monitoring, timely maintenance, and choosing reliable inverter brands can help mitigate the risk of system failures and ensure optimal energy production.

Cracked or Broken Solar Panels

Physical damage to solar panels, such as cracks or breakage, can compromise their efficiency and overall performance.
Environmental factors like hailstorms, falling debris, or accidental impact can contribute to panel damage.
Periodic inspections, prompt replacement of damaged panels, and implementation of protective measures, such as anti-reflective coatings or barriers, are essential to prolong the life of the solar array.

Addressing these common problems through regular maintenance, high-quality components, and robust preventive measures is crucial for maximising the long-term performance and reliability of commercial solar systems.

These Issues Often Lead To:

System Underperformance
Outages
Rapid Component Degradation

Remote monitoring may not detect some problems, necessitating on-site solar panel inspections. Improperly placed or protected DC switchgear can even cause roof fires. Component failures can result in downtime and safety risks.

If a single solar power module malfunctions, it can affect the energy production of neighboring modules, reducing the system’s overall energy yield.

Points to remember while maintenance and inspection of Solar panel

Here are the key components of the recommended maintenance and inspection checklist:

1. Electrical Inspection
Inverters
Protection and isolation devices
Fuse enclosures
2. Component Inspection
Solar Modules
Mounting Structures
Physical Integrity Check
3. Cable & Termination Check
Examination for deterioration
Identification of heat discoloration
Detection of hotspots
4. Label Verification
Inspection of Warning Labels
Serial Number Verification
Accuracy of Information
5. Equipment Inspection
Air filters
Heat sink
Fans
6. Performance Monitoring
System Output Analysis
Efficiency Parameter Review
System Component Evaluation

The goal of these inspections is to ensure the safe and efficient operation of the solar panel system while minimising the risk of issues such as fires.

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Ideal Service Frequency for Commercial Solar Panels in Australia

Ensure the longevity of your commercial solar system investment by scheduling an annual inspection with a CEC-certified technician.
Regular maintenance is essential to optimise system performance and ensure site safety.
Accumulation of contaminants such as lichen, bird droppings, dust, and debris can lead to module deterioration, emphasising the importance of periodic cleaning tailored to environmental conditions and system design.

Conclusion

In summary, proactive maintenance and inspections are crucial for the performance and safety of commercial solar panels in Australia. While the “set and forget” approach may be tempting, environmental challenges and common issues can impact efficiency. To protect your solar investment, regular CEC-certified inspections and cleaning are essential.

A comprehensive maintenance plan covering electrical checks, component inspections, cable assessments, label verification, and equipment inspections ensures optimal performance and long-term success.

[Disclaimer: The blog post is for informational purposes only and should not be considered professional advice. For accurate and up-to-date information on renewable energy, refer to reputable sources and consult with experts in the field.]

Please don’t hesitate to contact Betta Value Renewable Energy if you have any questions about this topic.

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