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Solar panel manufacturers in 2021


Indian solar panel manufacturers are making sure that India becomes atmanirbhar in the solar industry.

Indian solar panel manufacturers are making sure that India becomes atmanirbhar bharat in 2021. The atmanirbhar bharat which is a vision for India given by our hon. Prime Minister Narendra Modi. In this article, we will talk about the panel manufacturers of India and will try to understand how the Indian solar sector is growing. In the last 10 years, the solar sector has seen a lot of changes, in the initial 7-8 years, the focus was more towards technology. But in the last couple of years, the government focus has shifted towards better policies.
The way both interest and the demand for solar is growing, the future of the Indian Energy Industry is now more clear than ever, it's going to be 100% renewable energy.


India's top Solar Panel Manufacturers

If we analyze the Indian Solar Industry based on the data of MNRE, we will find that there 6 companies whom we can consider to be the top panel manufacturers. Let's see who are the and from there will move towards the solar panel technical information.

  1. Vikram Solar
  2. Adani Solar
  3. Waaree Solar
  4. Luminous Solar
  5. UTL Solar
  6. Longi Solar

These names are the pillars of the Indian Solar industry. Now let's talk about some basic technicalities of solar panels which we believe, everyone should know about.

Types of Solar Panels

Although there are various types of solar panels available globally in the Indian market, you will find mainly 3 types of solar panels.

  • Monocrystalline
  • Polycrystalline
  • Thin Film


This is the most commonly used solar panel in the Indian Market. Monocrystalline solar panels are developed based on old technology but they have 20% more efficiency as compared to the other 2 types of solar panels. Not only that, monocrystalline solar panels perform better than others even in low light conditions. And also they have a longer life than other panels.

The only disadvantage they have is that they are not cost-effective and their manufacturing process is also a highly energy-intensive process.


Polycrystalline solar panels are ideal for the smaller power requirements like small shops or homes where the power requirement is within 1KW. This is because polycrystalline solar panels have average efficiency. 
If we see the efficiency of monocrystalline, it can reach up to 20% while in the same place, polycrystalline will vary between 15% to 17%.
On the brighter side, the manufacturing process of the polycrystalline solar panels is simpler and they are also cost-effective in the market.

Thin film:

These are the 2nd generation solar panels. Their manufacturing process is the simplest one and they are aesthetically pleasing as well. These are the type of solar panels which can be used as solar sheets or solar windows or even solar walls.
unfortunately, there is very little demand for these types of solar panels in the Indian market, and that because as compared to other economies, the Indian solar industry is still in the initial phase.

Now as we have seen the types of solar panels, lest talk about the features of solar panels like efficiency, warranty, durability, and temperature coefficient.


The efficiency of the panel has nothing to do with the power generating capacity of the panel, it just tells us how much solar light it can convert into electricity. The efficiency of the panels helps to calculate the total area requirement for the solar solution.
The efficiency of the panel is compared with the average solar radiation which is 1000 watts per meter-square in India.
Again, a 100-watt solar panel will generate 100 watts of power, even though its efficiency is 15%. Efficiency has nothing to do with the power generating capacity of the panel. The efficiency of the panel can be calculated by this formula.

Efficiency = (Output Power / Input Power) X 100, where input power is the standard solar radiation (1000W)


Warranty is a very important factor in the solar sector as the average life of solar panels is between 15 years to 20 years. There is a very good possibility, the manufacturer will not be active at that time. That's why in the market, the consumer tends to go with the names and the brands they believe can last that long.

Temperature coefficient:

The temperature coefficient explains, how well a solar panel is going to perform when the temperature is higher than normal. The ideal temperature for the solar panels is around 25 degrees, but if the temperature goes down or up, it can affect the functionality of the solar panels. 


Durability is a very important factor while looking for a solar panel. Durability is the strength of the panel to sustain the impacts of heavy rain, storm, or even hailstorms. The durability test is done by the labs and the test parameters vary from country to country. 
The solar panels also undergo corrosion and torsion tests.


Indian solar sector growth rate is very promising and day-by-day new business opportunities and verticles are coming up. We hope via this article you are now aware of the solar panels, and more importantly, if you are going to buy a solar panel, now you know what all things you need to look for.