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Solar repairs and maintenance

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Wiring and connections can also degrade over time. The most common components needing repair are the solar panels (for damage), the inverter (for electronic or software faults), and the batteries.

Look for persistent error codes, a sudden drop in power production, unusual humming noises, or a complete shutdown. If your monitoring app shows zero production on a sunny day, the inverter is the first place to check. It's always worth getting a professional assessment for your specific needs.

This is normal and not a sign of a fault unless the drop is significantly worse than in previous years. Yes, absolutely in the Cape Town area. Shorter daylight hours and a lower sun angle mean lower production in winter.

Here's a practical breakdown. Refer to the documents from your original installer. Panels typically have a 20-25 year performance warranty, while inverters and batteries have shorter, separate warranties (usually 5-10 years). This is worth noting for Cape Town homeowners.

Here's a practical breakdown. For homeowners in Cape Town, in South Africa, professional cleaning for a standard residential system typically costs between R800 and R2,500, depending on the size and accessibility of your roof.