Everything You Need To Know Before Purchasing A Solar Power Panel System
lubi solar       September 18, 2018
If you are reading this, you have probably decided to “go solar”. It is indeed a good decision as deploying solar energy is not only environment friendly but it is also pocket-friendly. Rooftop solar prices have reached grid parity status with many states in India. Installing solar panels can effectively reduce your electricity bills and also benefit you if you are located in states having net metering policies.
Installing a solar system is a long term investment; hence prudence must be exercised in selecting a solar panel which forms the basic structure of the system and also account for nearly 60% of the total cost.
Few things one must check before buying a solar panel are:
- Check your rooftop strength– If you have decided to install solar panels on your rooftop, make sure you have the adequate space available. A 1 kW system requires approximately 100 square feet area for installation. Also, check if rooftop is strong enough to bear the weight of the installed solar panels. Your location also plays an important role in determining the output of the solar system.
- Power requirement– Once you have made sure that your rooftop can support the solar panels to be installed, check the power requirement of your home or commercial establishment. Depending upon what your power need is, you can decide upon the size of your solar panels.
- Solar Panels efficiency – The next step is to look for solar panels with high efficiency. If a solar panel is more efficient the overall efficiency of your rooftop solar system will improve. A more efficient solar panel results in lesser number of panels to be installed and hence will entail less capital outflow. The solar panel efficiency also varies a lot, depending upon the manufacturer and the technology used.
- Brand and Type of solar panel– Solar panels are now available from hundreds of different manufacturers using different technologies like silicon (monocrystalline, polycrystalline) and thin film. In India you can find a wide range of solar panels from both domestic and international players. Few Indian made solar panels have lower efficiencies, when compared to the foreign solar companies. You should also take into account the credibility and reputation of the supplier. Few suppliers also give the option to lease solar panels.
- Cost– A typical solar panel will cost 25 cents per watt (wholesale price) in India. Retail prices are generally 25%-30% higher. The cost of a solar panel also varies a lot depending on the retailer, size of the solar panel, technology and the brand. This makes buying solar panels a confusing problem for most residential and commercial buyers. Solar panels require very little maintenance. Only frequent cleaning of the panels is required. The panels usually come with a warranty of 25 years.
After considering all the above mentioned factors, you can shortlist the brand of panels you would like. Good luck with your search!