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Thus, it generating clean energy free of cost for a period of 25 years. Solar panels available in the market are classified into two types: poly crystalline and mono crystalline solar panel. Solar panel price ranges from ₹25 to ₹35 per watt depending on the size of the solar power system. For example, a 1kw solar system would have 1000 watt of solar panel installed beside batteries and inverters. Another important factor that determines the price of a solar panel is the size of the solar system. Solar panel prices are measured in per watt price, the price of solar panels will go down if you buy in bulk and it depends upon efficiency of solar panel and warranty offered on it. Compare Solar Panel Price in India Solar panel standalone is off no use, to use electricity from solar panel, it has to be connected with solar inverters and battery too if power storage required. Solar panel forms two types of solar system 1) on grid solar system and 2) off grid solar system, the price of solar system in 2019 as per MNRE benchmark cost is ₹ 60 per watt including installations and delivery cost. The price of standalone solar panels in India ranges between ₹25 - ₹35 per watt depending upon which brand of solar panel you buy, the other factor which effects price of solar panel is its efficiency, size and delivery location. Here is the latest solar PV panel prices in 2019 for Indian brands from 10 watt – 335 watts. Solar PV Panel Model Selling price Per watt price Loom 10 watt - 12 volt solar panel ₹ 800 ₹ 80 Loom 20 watt - 12 volt solar panel ₹ 1,500 ₹ 75 Sukam 40 watt - 12 volt solar panel ₹ 2,300 ₹ 58 Microtek 75 watt -12 volt solar panel ₹ 4,200 ₹ 56 Luminous 100 watt - 12 volt solar panel ₹ 5,200 ₹ 52 Microtek 150 watt -12 volt solar panel ₹ 7,600 ₹ 51 Loom 180 watt - 12 volt solar panel ₹ 7,500 ₹ 41 Microtek 250 watt - 24 volt solar panel ₹ 12,000 ₹ 48 Luminous 325 watt - 24 volt solar panel ₹ 12,900 ₹ 40 Luminous 335 watt - 24 volt solar panel ₹ 13,500 ₹ 40 Loom 340 watt - 24 volt solar panel ₹ 12,000 ₹ 35 1 kW Solar Panel - 24 v monocrystalline ₹ 36,000 ₹ 35 2 kW Solar Panel - 24 v monocrystalline ₹ 72,000 ₹ 35 3 kW Solar Panel - 24 v monocrystalline ₹ 1,08,000 ₹ 35 4 kW Solar Panel - 24 v monocrystalline ₹ 1,44,000 ₹ 35 5 kW Solar Panel - 24 v monocrystalline ₹ 1,80,000 ₹ 35 10 kW Solar Panel - 24 v monocrystalline ₹ 3,60,000 ₹ 35 Top 10 Best Solar Panel Companies in India Solar panels are the bestselling solar products in India. They are the medium through which sunlight is captured which is later converted into useful electricity. Some of the leading Indian and International solar PV panel manufacturers are Loom Solar, Luminous, Microtek, Sukam, Adani Solar, Vikram Solar, Waaree Energies, and Tata Power Solar. However, given the high demand, a majority of solar products are imported from neighbouring countries like China. Leading Tier 1 International brands are Trina Solar, Canadian Solar and Jinko Solar On Grid Solar System. Things to Remember While Cleaning Solar Panels  No specific cleaning liquid required, Normal garden hose can be used to spray water on solar panels.  Never use hot or cold water as there are chances that solar panels might get damaged. Instead of sprinkling water using hose, you can also pour water gently over the solar panels. Use soft clothes to wipe off the excess water. Automatic sprinklers can also be fitted near to solar panels which will take care of the cleaning job. There are 5 major common mistakes generally Solar Installers happen. Solar panel mounting structure should be made of GIA. The normal iron stand will not have a longer life as they are not rust-proof. So, we recommend to use GIA Stand for solar panel installation. 1. Proper Fixing of Solar Panels is important. Solar panels laid and fixed on mounting structure so that it doesn’t tilt or sway. Solar panel mounting structure should be grounded with civil work; general civil work involves 4*4 inch foundation work. Fasteners, preferably top brand like Anchor should be used for structure fastening. 2. Wiring of solar panel with MC4 Connector. MC4 connectors should be used for connecting solar panels, instead of connecting solar panels with tapes. MC4 connectors can be joined together manually, however, they will not unjoin unless a tool is applied, hence it ensures circuit does not breakup. 3. 300 Degree Installation of solar panels. Solar panels should be installed always at 30 degree angle to extract maximum efficiency. Angle of installation results in maximum power generation. Also, solar panels should be installing facing south-west direction. 4. 3 Earthing stands for solar systems. Earthing protects your solar system, protects against overload, directs excess electricity to ground, voltage is stabilised and prevents mishaps How to Buy the Solar Panel in India Solar panels have become the basic needs for generating electricity. The popularity of solar energy in generating power is attributed to its improving efficiencies and reducing costs. Solar energy has gradually reached grid parity with almost all states in India and has become a convenient options for power generation in places located far from the grid. Read full article: Step by Step Guide to Buy the Best Solar Panel in India Which is the best solar energy company in India? One such young solar startup in India is Loom Solar headquartered in Faridabad, Delhi NCR. The company has a dynamic online and offline presence in India, and has vowed to educate people about solar energy and help consumers make more informed decisions regarding buying solar systems. The number of solar panels that one requires for his house or shop or any other commercial application primarily depends upon:  The location of your establishment and the weather conditions  The amount of electricity that is consumed  The surface area of the roof and  The brand and efficiency of the panels that you use The first point is very important while considering a solar system. If you are located in central India where solar irradiance is higher you will require lesser number of panels when compared to a location in north India, After you have worked out your location and brand of the panels, you need to find out the number of panels that would be required to power your daily energy requirement. To know your establishment’s average energy requirement you need to have a look at your past electricity bills. Number of solar panels can be obtained by multiplying your hourly energy requirement by the peak sunlight hours and then dividing this number by the panel’s wattage. You can determine the number of peak sunlight hours of different Indian cities from the MNRE website. It is 5 hours in average in India. Delhi typically receives between 5.5 - 6 hours of peak sunlight.

You can calculate the amount of energy that a panel will per hour by multiplying your hourly energy requirement by 1000 and dividing this number by peak sunlight hours. Alternatively, if you have decided not to go completely off the grid, you may calculate your daily energy requirement by multiplying the wattage of each appliance with the number of hours it runs daily and adding them all. It is better to multiply this number by 1.5 to account for all types of transmission and efficiency losses. This will give you the total amount of energy needed from the solar panels. Divide this number by peak sunlight hours to get the wattage of the panels.

If you receive 4 hours of peak sunlight and you are using a 250-watt panel, you will able to generate 30 kWh in a month (4x250x30) or 1 kWh a day. Typically, the size of an inverter should be at least 30% larger than total wattage of all the appliances that you are using. Batteries are needed to run appliances/ meet your power requirements when the sun goes down. To determine the size of batteries, you need to determine how many watt hours will your establishment run on batteries. For example, if your daily requirement is 5000 Wh, and you wish to run 2500 Wh on batteries. Just multiply this with 1.5 (estimated loss factor) to get the required storage capacity which in this case will be 3750 Wh k. Please note these are generalized calculations. A lot of its accuracy will depend upon the peak sunlight time. Remember that the panels will not operate at their highest efficiency constantly. Anyone staying at a location where sunlight is weak will require a larger number of panels. Moreover, different electric appliances in our homes have varying energy requirement. Switching to LED and energy efficient appliances can go a long way in reducing your electricity expense. Typically, the size of an inverter should be at least 30% larger than total wattage of all the appliances that you are using. Batteries are needed to run appliances/ meet your power requirements when the sun goes down. To determine the size of batteries, you need to determine how many watt hours will your establishment run on batteries. For example, if your daily requirement is 5000 Wh, and you wish to run 2500 Wh on batteries. Just multiply this with 1.5 (estimated loss factor) to get the required storage capacity which in this case will be 3750 Wh. Please note these are generalized calculations. A lot of its accuracy will depend upon the peak sunlight time. Remember that the panels will not operate at their highest efficiency constantly. Anyone staying at a location where sunlight is weak will require a larger number of panels. Moreover, different electric appliances in our homes have varying energy requirement. Switching to LED and energy efficient appliances can go a long way in reducing your electricity expense.

Sun light that falls on solar panels is converted to electricity. This electricity from the solar panel is in direct current form and since we use the alternate current to run appliances in our home, an inverter is installed to convert this direct current to alternate current. Solar panels will produce comparatively less energy during monsoon. More sunlight better your solar panel works. Shades, clouds, and monsoon does affect the performance of solar panels. Amount of electricity is directly related to the amount of sunlight that falls on solar panels. Most of the solar panels come with 25 years warranty in India. However, the lifespan of a solar panel can go up to 30 years depending upon brand and quality