That said, solar panel prices can vary with the roof, type of solar panel, and more. Opting for either a traditional upfront purchase, or $0 upfront cost offers which can only be found at GetSolar, also affect the price of your solar panel installations in Singapore.
In this article, we run through the solar panel maintenance cost, factors that affect your solar panel price, and the rough estimates for solar panel prices, as well as other costs that could affect the overall price of your system, such as roof waterproofing.
The typical solar panel maintenance cost usually ranges from $300 to $500 per visit in Singapore. Your solar system installers will both clean your solar panels and conduct tests on your inverters and breakers. Similar to air-conditioners, we encourage solar homeowners to schedule an annual maintenance visit for your solar system.
Although installers do provide a contract or package covering the solar panel maintenance cost for the first 1-2 years (often referred to as a Defects Liability Period or DLP), installers do not provide free lifetime solar maintenance since most solar PV systems last for 25 to 30 years.
This means that if your solar panels requires replacement within the warranty period, the replacement panels will be provided for free. However, some contracts might require you to pay for the labour costs associated with the replacement work.
When it comes to warranties, most solar panels come with a 12-year product warranty and 25-year power output warranty. Meanwhile, solar inverters usually have a 5-year product warranty. These warranties generally cover 1-for-1 replacements of any physically defective equipment.
Note: We often recommend our customers to purchase a 5-year extended warranty on inverters. While it may cost an additional 30% on the inverter price ($300 to $800 on average, but dependent on the capacity of the inverter), they are more often the part of the system to encounter issues.
Almost all solar panel systems these days also come with a free online monitoring platform or mobile app that you and your installer can use to track the performance and efficiency of your solar PV system. Monitoring your system regularly and solving issues promptly when they come up will reduce the chances of long-term damage to your solar panels. This can cut down unnecessary large expenditures in the future.
Worried about the additional maintenance costs, and want a hassle free solar experience? Introducing GetSolar’s Rent-To-Own solar which offers a $0 upfront cost and even better, no solar panel maintenance cost! From $210/month onwards, the Rent-To-Own plan includes complimentary servicing as well as maintenance!
Water intrusion is a risk that may occur after installing your solar PV system. The installation process for tiled roofs may require drilling to set up rails that hold your solar panels. These drilled holes may result in rainwater accumulation that can cause leakages.
If your roof is relatively old or poorly maintained, we advise waterproofing your roof before you begin installing solar panels. After all, your solar panels are likely to sit on your roof for the next 25 to 30 years. Waterproofing procedures will add to your budget. However, they are a worthy investment to prevent any possible leakages after installation.
Now that we’ve covered the typical maintenance side of the panels, let’s discuss about the general installation costs that come with solar. Interested in getting your free quote first? Click the button below to our Solar Simulator!
The first factor which affects the price of your solar panel installation would be, of course, the size of your system. The size of your solar panel system is limited by the available installation area on your roof, and while a larger system will cost more in total, its unit cost per kilowatt-peak (kWp) will be lower and more cost-effective.
The size of your solar panel system is also dependent on the amount of electricity you will need to generate to meet your household needs. For this, we recommend getting an estimate of your average electricity consumption based on your electricity bills from at least the past 3 months to get a good gauge.
Bonus Tip: Did you know that you can also sell excess electricity generated back into the grid in Singapore? Even if you don’t consume all the solar electricity generated during the day, maximizing your roof space by installing more solar panels is still a good choice. This is because you can sell any excess clean energy back to the electricity grid, which in the long term will offset the cost of the additional panels!
Solar panels can be installed on almost all roofs. That said, there are certain roof types that require additional materials for installation — such as racking and mounting systems.Meanwhile, your roof’s material will determine the mounting mechanisms needed for your installation. In Singapore, roofs are usually tiled, metal or concrete.
Tiles are usually first removed for the installation of a mounting frame before being returned to their original spots. Solar panels are then fixed onto the mounting frame after. For tiled roofs, drilling is usually necessary to ensure that the mounting frame is properly secured. Also, if there is no direct access to your roof, scaffolding might be required which can add more costs, which can range from SGD $2,000 to $6,000 in total.
There are two main types of metal roofs used in Singapore – standing seam metal, and trapezoidal metal roofs. Standing seam metal roofs are the best roofs for solar, as no drilling or penetration is required and mounting clips can easily be fastened to the seams of your roof. This simple installation process also helps to reduce costs, and eliminate any risks of waterproofing concerns. It also means that your solar panels can be easily removed from your roof should you need to do so.
Concrete roofs are straightforward for solar installation too. Mounting racks for solar panels are secured and weighed down by concrete ballasts on the roof, and similarly does not require any drilling or penetrations. As concrete roofs are often flat, the mounting racks are tilted for solar panels to be “self-cleaning” when it rains.
Note: For steep roofs, a longer installation process is often to be expected. This is because installers have to be extra meticulous to ensure that your solar panels are safely and securely attached to your roof. Steep pitches will also often require extra manpower, resulting in additional labour costs and an increased solar panel installation price.
The type of solar panels you use also determine the price of your solar panel installation. Two main factors determine the price of solar panels — their technology and the brand. There are 3 main solar panel technologies: Monocrystalline, Polycrystalline and Thin Film.
While each has its pros and cons, monocrystalline solar panels are now the most frequently used for residential rooftop solar installations because they are the most space-efficient and have the highest efficiency.
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