Solar panel

What is Solar Panel?

Solar panels are also known as photo-voltaic solar module, solar plate, solar PV module and solar power panel etc. Solar panels are made up with a bunch of 60-72 solar cells that convert sunlight into electricity. These solar cells are made from an element called, “silicon“. To manufacture solar cells, fragments of silicon are melted together and to reduce the manufacturing and maintenance cost, its edges are cutted off.

solar panel

If we install two or more solar panel together and connect them with solar inverter, solar battery than it become a solar power system that can be used in houses, companies, schools, industries etc. Solar panel is the main part of solar system and all types of solar system (on grid solar system, off grid solar system and hybrid solar system) contains same type of solar panel.

Types of Solar Panel

Solar panels are invented in many types and capacities. These panel varies from each other on the basis of their formation, material used, etc. To provide a brief knowledge about all types of solar panel, we are listing its type below.

• Polycrystalline Solar Panel

• Monocrystalline Solar Panel

• Thin Film Solar Panel

Out of these solar panels, only polycrystalline solar panel and monocrystalline solar panel are the most successful panel to use for home solar system and commercial solar system.

Polycrystalline Solar Panel

Polycrystalline Solar Panel

Polycrystalline solar panel is most common type of solar panel. The efficiency rate of poly crystalline solar panel is around 16%-17%. These panels are best to work under extreme weather conditions. To manufacture polycrystalline solar panels, low purity silicon is used.

To read more about polycrystalline solar panels.

Poly Solar Panel

Monocrystalline Solar Panel

Monocrystalline Solar Panel

Mono crystalline solar panels are second most successful type of solar panel. Mono Panels are made out of pure high quality silicon. The efficiency level of mono panels are more than poly panels i.e 19%-20%. These panels have blackish-hue on their surface.

For more detail about monocrystalline solar panel.

Mono Solar Panel

Thin Film Solar Panel

Thin film solar panel

Thin film solar panels are made out of a number of elements. Thin film solar panels are light weight panels that looks like a thin sheet. This type of solar panel is not been used in India anymore.

Note: Thin Film Solar Panels are not been used in India anymore.

Mono vs. Poly Solar Panel

Mono vs. poly crystlline solar panel both are best type of solar panel. But often, they create a great confusion while it comes to choose best among them. Here we have a comparison between both type of solar modules to make the selection process easy.

Type of solar panel – mono and poly panels

Difference between Poly crystalline and Mono crystalline Panel

Poly-crystalline solar panel	Mono-crystalline solar panel
Cost Effective. Panel efficiency up to 16%. Looks bluish in color. It takes more rooftop space. Low efficiency in cloudy weather.	Expensive solar panel. Panel efficiency up to 20%. Looks black in color. It takes less rooftop space. Better efficiency even in low light.

Which type of solar panel is best?

Solar panel efficiency refers to the amount of sunlight converted to electricity in specific area. Under above two types of solar panel technology, mono crystalline are best in efficiency.

Monocrystalline panel have highest efficiency of up to 20%, require less space but they are little expensive than polycrystalline solar panel. A 100 watt poly and mono crystalline panel will generate the same amount of power but the mono-crystalline panel will take up less space than a poly-crystalline panel.

• Mono-crystalline efficiency – 20%
• Poly-crystalline efficiency– 17%

Solar Panel Application

Solar panel basically generate the DC electricity and this electricity can be use to power different type of applications like solar lights, solar systems, solar pump and air conditioners etc.

solar panel applications

Solar Lights

 Battery-based solar lights are a stand-alone system that will store power from the solar panel to illuminate solar street light, solar lantern, solar home lighting system etc. Generally, solar panel for solar lights starts from 3w to 75w.

On grid solar system

 Generally, 300 watt solar panel and above rated solar panels are used in on grid solar system. The on grid solar system range starts from 1kW solar system to 10 kW solar system for home purpose and 15kW solar system to 100kW solar system for commercial use.

Off grid solar system

Off grid solar system starts from 1kW to 100kW. In off grid solar systems, 100 watt to 330 watt solar panel is used in these types of solar system.

Hybrid solar system

Generally 300 watt solar panel and above rated solar panel is used in hybrid solar system. These type of solar system starts from 3kW solar system.

Solar water pump

Solar water pump range start from 1HP (3 Panels) to 10 HP. High rating panel are used in these pumps.

Solar AC

Solar air conditioner can be run on solar power where above 300 watt panels are used.

Solar Panel Price

The most important factor that influence our mind at the time of purchasing solar panel is “Price of Solar Panel”. Normally, prices of panels are measured in solar price per watt. Investment on solar is big and like one-time investment. So if you are going to install solar panel at your home or business, you should know the prices of solar panel. For your convenience, we are providing you the price list of all capacity and brand’s solar panel below.

Solar panel cost

Genuine Solar Panel Price List 2020

Genuine means a good quality solar panel from the brands that you may not heard about before. There are few genuine solar panel manufacturers, providing good quality solar panels at adorable price. These manufacturers are Vikram Solar, Waaree Solar, Adani , Jakson Solar etc. & the prices of their panel starts from Rs.22 to Rs.36 per watt depending on the quality, quantity, size and efficiency of solar panel.

Model (Watt)	Selling Price	Price per watt
325w  Solar Panel	Rs.8,450	Rs.22
270w  Solar Panel	Rs.7,020	Rs.26
200w  Solar Panel	Rs.5,600	Rs.28
160w  Solar Panel	Rs.5,120	Rs.32
100w  Solar Panel	Rs.3,200	Rs.32
50w  Solar Panel	Rs.1,800	Rs.36

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Big Brand Solar Panel Price 2020

This price list contains the solar panel price for all reputed brands like Tata Solar, Luminous Solar, Havells Solar etc. The prices of these manufacturers starts from Rs.28 and goes upto Rs.40.

Model (Watt)	Selling Price	Price Per Watt
325W Solar Panel	Rs.9,100	Rs.28
270W Solar Panel	Rs.7,560	Rs.28
160W Solar Panel	Rs.6,400	Rs.40
100W Solar Panel	Rs.4,000	Rs.40
50W  Solar Panel	Rs.2,000	Rs.40

Above mentioned prices are for solar panels only.

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Compare Solar Panel Price

To reduce your confusion about the prices of various solar brand, we made a comparison between top solar panel brands that are available in Indian market. Please see the price comparison between Tata Solar, Luminous Solar, Havells Solar, Vikram Solar and Waaree solar panels.

Solar panel model	Selling cost	Per watt price
Tata 50w solar panel	Rs. 2400	Rs. 48
Luminous 50w solar panel	Rs. 2000	Rs. 40
Havells 50w solar panel	Rs. 2000	Rs. 40
Vikram 50w solar panel	Rs. 1800	Rs. 36
Waaree 50w solar panel	Rs. 1800	Rs. 36
Tata 100w solar panel	Rs. 4800	Rs. 48
Luminous 100w solar panel	Rs. 4000	Rs. 40
Havells 100w solar panel	Rs. 4000	Rs. 40
Vikram 100w solar panel	Rs. 3600	Rs. 36
Waaree 100w solar panel	Rs. 3600	Rs. 36
Tata 160w solar panel	Rs. 7200	Rs.  45
Luminous 160w solar panel	Rs. 6008	Rs. 38
Havells 160w solar panel	Rs. 6008	Rs. 38
Vikram 160w solar panel	Rs. 4800	Rs. 30
Waaree 160w solar panel	Rs.4800	Rs. 30
Tata 270w solar panel	Rs. 8100	Rs. 30
Luminous 270w solar panel	Rs. 7560	Rs. 28
Havells 270w solar panel	Rs. 7560	Rs. 28
Vikram 270w solar panel	Rs. 5940	Rs. 22
Waaree 270w solar panel	Rs. 5940	Rs. 22
Tata 325w solar panel	Rs. 9750	Rs. 30
Luminous 325w solar panel	Rs. 9100	Rs. 28
Havells 325w solar panel	Rs. 9100	Rs. 28
Vikram 325w solar panel	Rs. 6825	Rs. 22
Waaree 325w solar panel	Rs. 6825	Rs. 22

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Pros and Cons of Solar Panel

Pros & Cons of Solar Panel

Pros – Advantage

 Solar panels have long life span i.e. more than 25 years.

 30% to 70% government subsidy is available on solar panels in India.

 Solar panels are renewable energy based technique which helps to save environment.

 The ROR on solar panel is great.

 Solar panels will provide you free electricity after 5 to 7 years.

 Only one time investment.

 Solar panels are customizable and portable solar product.

Cons – Disadvantage

 Solar panels are costly and require heavy one time investment.

 Solar panels require large shadow free area for installation.

 Require regular cleaning, once in a week.

Size of Solar Panel

Size of a solar panel will vary brand to brand and capacity to capacity. But for big capacity solar panel(more than 100 watt), the standard size is 1 mt. X 2 mt. and 1kW solar system contains three solar panel. So if we talk about installation space, it takes around 6 square meter shadow free area..

Solar Panel	Length	Width
50w solar panel	2.2 feet	1.4 feet
100w solar panel	3.3 feet	2.1 feet
160w solar panel	4.8 feet	2.4 feet
270w solar panel	5.4 feet	3.25 feet
325w solar panel	6.4 feet	3.2 feet

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How to Install Solar Panel

We have made a guide for installation of solar panel in below steps:

Step – 1: Calculate your electrical load/consumption

Step – 2: Decide type of solar panel system.

Step – 3: Decide the solar brand.

Step – 4: Invite dealers for site visit.

Step – 5: Ask dealers to send detailed quote.

Step – 6: Compare price, quality and services.

Step – 7: Place order for complete project including net-metering

Step – 8: Regular cleaning with solar panel cleaning kit.

Note: To know about installation process, visit our Solar Installation Guide page.

Solar Panel Buying Guide

Solar Expert Recommendation

As you now, there are mainly two successful types of solar panel mono and poly crystalline  solar panel. Both panels are different from each other in sense of their efficiency level, prices, brands etc. Now if you are still confuse about best type of solar panel for your home and business then you should consider following points, suggested by solar experts.

• Always buy solar panel after calculating your load consumption.
• Don’t worry about price because it is one-time investment and you will get your investment back within 3 to 5 years through net metering or reduction in electricity bills.
• Always choose quality brand solar panel like Tata Solar, Luminous Solar, etc. Their are another great solar brand like Vikram Solar, Waaree Solar, Adani Solar. These solar brands are also reliable. 
• According to solar experts, go for monocrystalline solar panel because their efficiency level is more than polycrystalline solar panel.
• If possible, always buy solar panel offline after site visit by solar expert. And also buy all components of solar system like solar inverter, solar battery etc. of same brand.

Maintenance of Solar Panel

Solar panel is a zero-maintenance product. However, it is mandatory to regularly clean solar panel to remove dust particles that accumulate on solar panel. It increase the efficiency level as well as working life of solar panel. For cleaning solar panels we recommend you to using solar panel cleaning kit.

Maintenance of solar panel

FAQ About Solar Panel

Can solar panel run air conditioner?

Yes, but not directly. You can run any size of air conditioner on solar system. If you are going to install air conditioner to run on solar power than we recommend you to buy solar AC.

How much does cost of 1 kW solar panel system in India?

If you already have solar inverter and solar battery and you require only solar panels, than it will cost you around 30,000 including charge controller. If you want to buy complete system please visit – 1kW solar system.

Where can I buy solar panel in India?

For buying any capacity or brand solar panel, you can contact us. You can also buy it online from our online solar store.

Can we run computer center on solar panel?

Yes you can run computer center on solar panel system. Generally, the computer lab has 10 to 15 desktop computers, 4 fans, 2 exhausts, 1 cooler and 4 tubes light, customers can choose 3 kW solar system.

How much does installation cost of solar panel in India?

Solar panel installation cost start from Rs.2 per watt to cost Rs.10 per watt. Depend upon capacity of solar system, location and type of solar system.

How much rooftop space required installing solar panel?

Approximately 6 square meter shadow free area is required for per kilowatt solar system. And in 1kW solar system, 3 nos. of 335 watt solar panel is used.

Is my roof suitable for solar panel?

The first thing that roof should be free of shadow. Solar panels are not laid down directly on your rooftop, solar panel are takes place on mounting structures which can be customized according to your rooftop. If there is proper sunlight then yes, solar panels are suitable for any kind of rooftop.

Can I run a fan directly from solar panel?

Yes, a DC fan can be run directly on solar panel through charge controller. In case of AC fan, solar inverter is must in solar system because solar system generates DC form of electricity.

Can I go off grid with solar panel?

Off course, solar panel can be used with all types of solar system including off grid solar system.

How much money will I save with solar panel?

1kW panel can save around Rs.1,000 per month on an average of all seasons.

How much does solar panel maintenance cost?

Solar panels are a low-maintenance product however, it is mandatory to regularly clean solar panels to remove dust particles that accumulate on solar panels. You may need to buy solar panel cleaning kit of worth Rs. 20000.

What is the average lifespan of a solar panel?

Solar panels come with 25 years warranty in top solar brands in India. However, the lifespan of a solar panel can go up to 30 years depending upon brand and quality of solar panel.

Does solar panel work during monsoon?

Yes, solar panel will produce relatively less energy during monsoon. Shades, clouds, and monsoon do affect the performance of solar panels. The rays of the sun falling on the solar panel are related to the amount of electricity.

How do solar panels work?

The sunlight falling on the solar panels is converted into electricity. This electricity from the solar panel is in DC (direct current) form and since we use alternating current to drive devices in our home, a solar inverter is installed to convert this direct current to alternating current.

Which is the best solar panel company in India?

Tata Solar, Luminous Solar, Havells Solar, Vikram Solar, Waaree Solar, Adani etc are the best solar panel companies in India.

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Source: https://kenbrooksolar.com/solar-panel