Solar Panels: A Smart Tech

Solar panels have been a popular choice for generating renewable energy in recent years, and for good reason. These panels use the energy from the sun to generate electricity, reducing our reliance on fossil fuels and helping to protect the environment. In this article, we will explore the many benefits of solar panels, including their cost-saving potential, their ability to increase energy independence, and their role in the fight against climate change.

We will also discuss the various types of solar panels available and provide tips for those considering making the switch to solar energy. Whether you are a homeowner, business owner, or simply someone interested in reducing your carbon footprint, there is no denying the appeal of solar panels as a source of clean, reliable energy.

What is a Solar Panel?

A solar panel is a device that converts sunlight into electricity. It is made up of photovoltaic (PV) cells, which are made of layers of semiconductor materials such as silicon. When sunlight hits a PV cell, it knocks electrons loose from the silicon atoms, generating an electric current. This current is then channeled through wires to create usable electricity. Solar panels are typically mounted on rooftops or ground-mounted on poles, and they can be used to power homes, businesses, and other structures. Solar panels are a clean, renewable source of energy that can help reduce our reliance on fossil fuels and combat climate change.

How do Solar Panels work?

Solar panels work by converting sunlight into electricity using photovoltaic (PV) cells. These cells are made of layers of semiconductor materials, such as silicon, that absorb sunlight and release electrons, generating an electric current. The PV cells are connected together in a grid-like pattern and sealed inside a protective casing. The cells are then mounted on a structure, such as a rooftop or ground-mounted on poles, where they are exposed to sunlight.

As sunlight hits the PV cells, it knocks electrons loose from the silicon atoms, creating an electric current. This current is channeled through wires to an inverter, which converts the direct current (DC) electricity generated by the solar panels into alternating current (AC) electricity, which is the type of electricity that is used in homes and businesses. The AC electricity is then sent to a home or business’s electrical panel, where it can be used to power lights, appliances, and other electrical devices. Any excess electricity that is not used is typically sent back to the grid.

Type of Solar Panel

There are two main types of solar panels: photovoltaic (PV) panels and concentrated solar power (CSP) panels.

  1. Photovoltaic (PV) panels: This is the most common kind of solar panel. Photovoltaic cells convert sunlight into electricity and are used in PV panels. They are used to power homes, businesses, and other structures and can be positioned on rooftops or ground-mounted on poles.
  2. Concentrated solar power (CSP) panels: CSP panels concentrate the sun’s energy and generate heat, which is then converted into electricity. CSP systems are classified into three types: parabolic troughs, solar dishes, and solar power towers. CSP systems are typically used to generate huge amounts of power, such as for utilities.

In addition to these two main types, there are also hybrid solar panels, which combine PV cells with CSP technology, and thin-film solar panels, which are made from thin layers of semiconductor material and are typically less efficient than PV panels.

Cost of Solar Panel

The cost of solar panels varies substantially based on several aspects, including the size of the solar panel system, the type of solar panels utilized, and the location where the panels will be installed. 
In general, the cost of solar panels has decreased in recent years as result of technological breakthroughs and 
increased industry rivalry.
The average cost of solar panel system in the United States in 2020, according to the U.S. Department of 
Energywas $3 per wattor about $15,000 for 5-kilowatt system. 
This is before to the application of any available tax credits or incentives, which can greatly decrease the overall 
cost of solar panel system.
It is crucial to note that when calculating the overall cost of solar energy, the initial cost of solar panels is only one aspect to consider. Because solar panels use no fuel and require no maintenance, the continuous expenses of using solar energy can be far cheaper than those of conventional energy sources. Furthermore, the value of the electricity produced by solar panels might be greater than the cost of acquiring electricity from a utility company, making solar panels a financially appealing option for many homeowners and businesses.

Best Solar Panel producing companies

There are many companies that produce solar panels, and the quality and performance of their products can vary. Some of the top solar panel manufacturers include:

  1. Yingli Solar: Yingli Solar is a leading global solar panel manufacturer with over 15 GW of solar panels installed worldwide. The company has a strong focus on research and development and is known for producing high-quality, reliable solar panels.
  2. Canadian Solar: Canadian Solar is a well-respected solar panel manufacturer with over 15 GW of solar panels installed globally. The company’s solar panels are known for their high efficiency and durability.
  3. Trina Solar: Trina Solar is a leading solar panel manufacturer with over 30 GW of solar panels installed worldwide. The company is known for its innovative technologies and has received numerous awards for the quality of its products.
  4. JinkoSolar: JinkoSolar is a global leader in the solar panel industry, with over 25 GW of solar panels installed worldwide. The company is known for its high-quality, efficient solar panels and has a strong focus on sustainability.
  5. LG Solar: LG Solar is a division of LG Electronics and is known for producing high-quality, reliable solar panels. The company’s panels are popular with homeowners and businesses due to their efficiency and durability.

Solar panel airport in India

The Cochin International Airport in Kochi, India, became the world’s first airport to be entirely powered by solar energy in 2015, according to ICAO. The airport has a solar power plant with 46,000 solar panels that generate between 50,000 and 60,000 units of electricity per day. The solar plant has helped the airport save around 20% on its yearly electricity expenditures while reducing carbon dioxide emissions by approximately 3,000 metric tonnes per year. Other airports in India, including Vijayawada and Ahmedabad, have added solar panels as part of their efforts to become more sustainable.


  • How do solar panels work?: Solar panels work by converting sunlight into electricity. They do this through a process called the photovoltaic effect, in which photons of light knock electrons free from atoms, generating a flow of electricity.
  • How efficient are solar panels?: The efficiency of solar panels can vary, but most modern panels have an efficiency of around 15-20%. This means that they are able to convert around 15-20% of the energy in sunlight into electricity.
  • How long do solar panels last?: Solar panels can last for a very long time, with most panels having a lifespan of around 25-30 years. However, their efficiency can degrade over time, meaning that they may produce slightly less electricity as they age.
  • Are solar panels worth it? : Solar panels can be a good investment, as they can help you save money on your electricity bills and reduce your carbon footprint.
  • Do solar panels work in cloudy or rainy weather?: Solar panels can still produce some electricity on cloudy or rainy days, although they will be less effective than on sunny days.


In conclusion, solar panels have the potential to play a significant role in meeting India’s energy needs and reducing its dependence on fossil fuels. With abundant sunshine and a growing demand for electricity, India is well-suited for the development of solar energy. The government has taken steps to encourage the growth of the solar industry, including the implementation of policies such as net metering and the National Solar Mission.

As a result, the use of solar panels in India has been on the rise in recent years, with both residential and commercial installations increasing. Despite this progress, there are still challenges to overcome, such as the high upfront cost of solar panels and the need for better infrastructure to support their widespread adoption. However, with continued efforts and innovation, it is likely that solar energy will become an increasingly important source of electricity in India.

About Sahil Dahiya

Sahil Dahiya is a close follower of tech and everything that has the word 'smart' involved. This makes him passionate to write about everything revolving around the world of technology. He can always be seen surfing the web and while he’s not working, you can find him watching netflix and reading comics.

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