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Solar Energy

Solar Energy. By: Evan, Max, and Grant. Definition.

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Solar Energy

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  1. Solar Energy By: Evan, Max, and Grant

  2. Definition • There are two types of ways to create power from the sun. The first is CSP, concentrated solar power, is when you concentrate a large amount of light (sun) To heat something (water) and create steam. The other one is photovoltaic (PV) to work this you need a semiconductor. When the sun hits it the electrons are knocked out of there atoms and into a circuit. • Info from www.wikipedia.com

  3. How it works • YouTube - solar energy This is how the photovoltaic (PV) type works • YouTube - Energy 101: Concentrating Solar Power This is how concentrated solar power (CSP) works.

  4. Advantages • The sun will never run out so we will always have solar energy. • People that have solar panels at their houses make money because the extra energy goes to their neighbors then the government sends them money • Solar energy does not pollute at all • you do not need to do a lot of work on the solar panels you can just leave them. • Info from http://www.solarhome.org/infoadvantagesofsolarenergy.html

  5. Disadvantages • Solar panels can be very expensive. • You need a large amount of space for the panels to be efficient. • The pollution and clouds block the rays that are coming to the solar panels. • It only works good in sunny states. • Info from http://www.clean-energy-ideas.com/articles/disadvantages_of_solar_energy.html

  6. Where? • PV is mostly used in California, New York, and New Jersey. • CSP is used mostly in California and Nevada. • Info from ehow.com • Picture from homemadediysolar.com

  7. Conclusion • We think that it is very efficient because the sun will never run out [other than at night). Also we can keep expanding our uses of it, from a lamp to a car or house. • It is not able to power all of our energy needs because you need to live in a sunny place year round. For example Michigan is not sunny for half of the year.

  8. Future • In 2050 the worlds energy will become 25% solar power, right now it runs on 0.5%. • Info from cnn.com

  9. BYE • Thanks for watching.

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