Photovoltaics and Solar Energy Solar Essay

Submitted By Fong-Wu
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Pages: 3
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Solar Energy ( Introduction )
-Sunlight is a renewable energy source which can be converted light energy into electric energy by solar panels.
-Solar power is energy from the sun.. Solar energy has been looked upon as a serious source of energy for many years because of the vast amounts of energy that are made freely available, if we use our modern technology. More Information about solar energy

Solar Energy

What is Solar Energy?
1)

http://www.processindustryforum.com/hottopics/ advantages-and-disadvantages-of-solar-energy 2)

http://www.technologystudent.com/energy1/solar1. htm Advantages & Disadvantages of Solar
Energy
http://energyinformative.org/solar-ene rgy-pros-and-cons/ 2) http://www.technologystudent.com/ener gy1/solar7.htm 3) http://cleantechnica.com/2014/09/22/sol ar­energy­advantages­vs­disadvantages /
4) http://exploringgreentechnology.com/so lar­energy/advantages­and­disadvantag es­of­solar­energy/
1)

*Abundant
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the surface of the earth receives 120,000 terawatts of solar radiation (sunlight) – 20,000 times more power than what is needed to supply the entire world.

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Introduction
Description
Advantages
Disadvantages
Summary/ Conclusion

Made by : Lauren Choi
Victoria Wu

Advantages of Solar Energy

Description

( How it works)

1.

Sustainable
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disks that convert sunlight into

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Photovoltaic solar cells are thin silicon
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Solar doesn’t work at night
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Ongoing Free Energy

electricity.
In the solar cells, the bonds [between

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silicon atoms] are made of electrons that are shared between all of the

atoms of the crystal. The light gets

3.

using solar energy is that beyond initial installation and maintenance, solar energy is free.
Solar doesn’t require expensive and ongoing raw materials like oil or coal, and requires significantly lower operational labor than conventional power production. 2.

Expensive Materials
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Keeps Our Climate Livable

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up to a higher energy level and can

it does not emit any green house gases.
Solar energy is produced by conducting the sun’s radiation – a process void of any smoke, gas, or other chemical by­product.

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was bound. That electron can then move

Because solar doesn’t rely on constantly mining raw materials, it doesn’t result in the destruction of forests and eco­systems that occurs with many fossil fuel operations. 3.

Requires Space
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Power density, or watt per square meter (W/m²), is essential when looking at how much power can be derived from a certain area of real estate of an energy source.

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However, currently, widespread solar panel efficiency – how much of the sun’s energy a solar panel can convert into electrical energy – is at around
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