Solar Panel Maintenance in Singapore: The Guide to Maximizing Efficiency and Lifespan

Pre-cleaning inspection conducted by trained solar panel technician.

As Singapore pushes towards a sustainable future, solar energy has emerged as a leading clean energy source for homes and businesses. However, the efficiency and longevity of your solar panels depend heavily on proper maintenance

In this comprehensive guide, we’ll walk you through everything you need to know about solar panel maintenance — why it matters, how it’s done, how often it should be performed, and how Mantis Clean can help.

Why Solar Panel Maintenance is Crucial

Solar panels are designed to withstand weather and environmental factors, but over time, dirt, dust, bird droppings, leaves, and even shade can significantly reduce their efficiency. Studies show that neglected panels can lose up to 25% of their energy output due to surface dirt and debris.

Proper and regular maintenance can:

• Increase energy production by up to 15%

• Prevent costly damage and extend panel lifespan beyond 25 years

• Ensure safety by identifying and addressing electrical or physical issues early

• Optimize your solar power system’s ROI and sustainability impact

• Damaged Solar Panels can become fire hazards

Solar Panel Maintenance Checklist

1. Visual Inspection

   1. Check for physical damages like cracks, chips, or corrosion

   2. Check for cables cuts, tears, or cracks

   3. Check for water damage and trapped water

   4. Inspect mounting hardware and wiring for loose connection

2. Cleaning

   1. Regular cleaning remove dirt, grime and stubborn stains

   2. Deionized water provide an eco-friendly cleaning solution for a residue-free results

3. Annual System Testing

   1. License Electrician Worker (LEW) to conduct annual follow-ups, measure panel output, and provide detailed report

Solar Panel Maintenance Cost

Solar panel maintenance costs typically range between SGD 300 to SGD 500 per visit, depending on the size of the installation and cleaning frequency. Investing in regular maintenance not only saves you money on energy bills but also prevents costly repairs down the line.