Solar Energy Pros and Cons. via blueocean
1. Clean, Green, Abundant, and Free - Solar Energy
Solar energy is an evergreen source of renewable energy that is abundantly available in our atmosphere. Apart from the manufacturing process of solar panels, converting sunlight into electrical energy in itself is a completely green and clean process. Thus making solar energy beneficial for our environment.
Different sources of electrical energy. via nationalgeographic
2. Proven Technology
With a history dating back to 1883, photovoltaic cells were invented and used to convert solar energy to electricity. At that time the PV cells had an efficiency of only 1-2%, but later in 1954-1960 scientist had achieved up to 14% efficient solar cells. With its ever-increasing capabilities towards a clean and green energy source, further works improved the PV cell efficiency to about 20% in 1985 and these days we have commercial PV cells at about 26% and space-grade solar cells at around 46% efficiency. For more about solar panel efficiency click, here.
Highly efficient III-V semiconductor-silicone PV module. via pv-magzine
With such a long history, ever-improving solar cells, and increasing demand in the market, it displays the proven metal of solar energy. It's a solid alternative to conventional expensive and polluting fossil fuel energy sources.
3. Affordable Solar Energy
The massive amount of research and the growing demands for solar energy has fruitfully resulted in mass production and the utilization of economical material to manufacture solar panels. This has made buying solar panel much easier and with each passing year, the price of PV cells are dropping.
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Between 2016 and 2017 the solar energy market saw a drop of about 9% on PV cells, leading to a hike in sales worldwide. Furthermore, now solar energy is much cheaper than conventional electric energy and offers great Returns on Investment.
4. Durability and Reliability - Solar Energy
Solar cells although might seem to cost a lot upfront; but, over the years its ROI (Return on Investment) is high. Furthermore, PV modules are highly durable as well. They are made to last for a long time period, on a solar panel module lasts for about 20 years while seeing only a 1% decrease in its output power. It doesn't have any moving parts (unless you plan to install solar tracker) and thus has a very minimal cost of maintenance.
Installation of Solar Panels. NREL
Apart from is manufacturing durability, as opposed to what we think generally, solar panels can operate in many different kinds of weather. No matter if it is freezing cold or blazing hot, a solar panel can work in both these conditions. In fact., a greater amount of solar energy is converted via solar panel during cold weather. Furthermore, solar panels can easily withstand rain storms, dust storms, and other tough weathers without getting any damage.
5. Lend Energy to the Grid and Use it Later When Need Be
Generating more energy with solar panels than that of what your house needs? That's fine, many countries around the world have a specially devised plan for solar energy equipped household units. Any excess energy generated is transmitted to the grid in terms of electrical units. This reduces the burden on the grid as a whole; later on at night time or at any other time if you need extra energy from the grid, then you can redeem the electrical units that you already had submitted.
This ease and feasibility in policies are making solar energy from PV cell even more popular and mainstream.
6. High ROI - Increases your property value and Reduces Bills.
Solar energy not only offers a high rate of ROI, but it also increases the value of the property it is installed on. In the United States of America, a recent study has shown that the price a house with a solar energy system is 4.1% higher than that of the house without it; with rates as high as 5.4% in New York. That means an increase of about $9,000 on a median-priced home; this furthermore helps towards getting the ROI faster and is another added advantage of using clean and green energy.
Solar Energy utilized on household property. via mnn
Solar panels last for about 20 years, and during all these years you will be saving tons of money on your electrical bills, which constitutes a greater part of the RIO on the solar energy system.
7. Solar Energy is Growing
From school to universities, form homes to commercial units, everyone is moving towards solar power systems at a much faster pace than ever before. According to the SEIA, in 2018 alone 10.6 gigawatts of solar the energy was added to the system which constituted about 29% of all electrical power installation in the country in 2018. The USA will see a further, increase in solar energy systems with a prediction of about 74-gigawatt capacity to be installed by 2024.
Every-increasing Solar Energy System Capacity. via Quora
8. Diverse Applications
Not only can you utilize solar energy on larger scales to provide power for your homes, offices, and other commercial units, solar energy can also be used on small scales to generate power for your smartphones or other portable devices while you are on the go. The solar panel comes in many different shapes and sizes, and you can get a portable solar panel for you camping and other outdoor trips to keep your mobile devices running at all times.
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