The Hidden Cost of Cheap Solar Installations
The Hidden Cost of Cheap Solar Installations
When comparing solar quotes from solar installers in Plettenberg Bay, Knysna and Garden Route, choosing the cheapest option can seem like a smart way to save money. But with solar, the lowest price can sometimes come with hidden costs.
A professional solar installation involves far more than putting panels on a roof and connecting a battery. Poor workmanship, inferior equipment or a non-compliant installation can lead to safety risks, reduced performance, expensive repairs and warranty problems.
For homeowners and businesses considering solar installations in Plettenberg Bay, Knysna and throughout the Garden Route, here are some important things to look out for.
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Incorrect cable sizing
Solar systems carry significant electrical loads, so cables need to be correctly sized for the system.
Using cables that are too small can cause energy losses, overheating and potentially dangerous electrical conditions.
An experienced installer will consider the system design, cable lengths, current requirements and installation conditions before selecting the appropriate cables.
The panels may look impressive, but what you can’t see behind them matters just as much.
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Poor solar roof mounting
Solar panels need to withstand years of sun, wind and weather.
Poorly installed mounting systems can result in loose panels, roof damage, corrosion and leaks.
In coastal areas such as Plettenberg Bay and Knysna, installations are exposed to moisture, strong winds and salt-laden air. Choosing suitable mounting hardware and installing it correctly is therefore particularly important.
A professional installer should assess the roof and use a mounting system appropriate for the property.
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Non-compliant solar installations
A solar system needs to be installed according to the applicable South African electrical and solar standards.
This includes important considerations such as:
- Earthing and electrical protection
- Correct cable sizing
- Isolation
- Surge protection
- Labelling
- Inverter installation
- AC and DC wiring
A system that switches on and appears to work does not necessarily mean it has been installed correctly or safely.
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Questionable solar batteries and equipment
The battery is one of the most expensive components of a solar system, so it is important to know exactly what you are buying.
Be cautious of unusually cheap batteries or vague specifications.
Before accepting a quote, ask:
What brand and model is being supplied? What is the usable capacity? What warranty is included?
The same applies to your solar panels and inverter. Make sure the equipment is clearly identified on the quotation and that the applicable manufacturer warranty can be verified.
Gensmart’s tip
If a quotation simply says “5kWh battery” without giving you the manufacturer and model, ask for the exact equipment being supplied before you sign.
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No Certificate of Compliance
A professional installation should include the appropriate testing, certification and electrical sign-off.
Your installer should be able to explain what Certificate of Compliance (CoC) and other documentation you will receive once the installation is completed.
Don’t be afraid to ask questions about compliance before the work starts. It is much easier to get the paperwork right at the beginning than to try to correct an undocumented installation later.
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No municipal registration
Depending on the property and system, municipal approval or Small-Scale Embedded Generation (SSEG) registration may be required.
This is particularly important in Knysna, where the municipality has a specific process for registering rooftop solar systems.
Before installation, ask:
Who is responsible for the municipal registration and paperwork?
Don’t assume that switching the system on means everything has been completed correctly.
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Warranty problems
A cheap installation can become considerably more expensive when something goes wrong.
Problems can arise if equipment wasn’t supplied through an authorised channel, the installer disappears, or the installation wasn’t properly documented.
Before choosing an installer, establish:
- What equipment warranties are included
- Who provides the warranty
- What workmanship guarantee applies
- Who will provide after-sales support
A solar system is a long-term investment. You want to know who will still be there if you need help later.
Don’t compare solar quotes on price alone
When comparing solar installers in Plettenberg Bay, Knysna and the Garden Route, look beyond the final number on the quotation.
Ask what is actually included:
- Quality, clearly specified equipment
- Correct system design – Professional installation
- Appropriate electrical protection
- Compliance and certification
- Municipal requirements where applicable
- Clear warranties
- Reliable after-sales support
A professional solar installation may cost more upfront, but the aim is to make sure your system is designed, installed and documented properly from the beginning.
Looking for a professional solar installer in the Garden Route?
Gensmart Electrical & Solar provides professional solar installations and electrical services in Plettenberg Bay, Knysna and throughout the Garden Route.
With more than 30 years of electrical experience, Gensmart approaches solar as an electrical installation first — focusing on proper design, safe installation, compliance and long-term reliability.
Whether you are considering solar for your home, business or agricultural property, speak to Gensmart about a solution designed around your property and your energy requirements.
Don’t choose your solar system on price alone.
Choose quality, compliance and experience.
Contact Gensmart – your top solar installers Plettenberg Bay Knysna Garden Route
