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Solar Energy

Solar Energy . By Chopper Rooney. How It Is Produced . It is energy produced from the sun Photovoltaic solar panels collect a small amount of dc currents from semiconductor material, then photons of light energy cause electrons to be displaced resulting in an electrical current flow

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Solar Energy

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  1. Solar Energy By Chopper Rooney

  2. How It Is Produced • It is energy produced from the sun • Photovoltaic solar panels collect a small amount of dc currents from semiconductor material, then photons of light energy cause electrons to be displaced resulting in an electrical current flow • It takes about 1 square meter of photovoltaic cells to produce 120 watts of electricity at the peak of day’s sunlight

  3. Pros • Pros: Renewable, Abundant, Sustainable, Environmentally Friendly, Good Availability, Reduces Electricity Costs, Silent, Low Maintenance, Technology is Improving

  4. Cons • Cons: Expensive, Intermittent, Energy Storage is Expensive, Requires Space, and Daylight is Needed to Produce Energy

  5. Passive Solar • A passive solar system converts sunlight into thermal energy without using pumps or fans • Passive Solar systems don't contain moving or electrical parts • An example of passive solar is a greenhouse

  6. Active Solar • Light strikes the black metal surface of a solar collector and it is converted into thermal energy. Water is pumped through the pipes to absorb the thermal energy, and then the heated water goes to a storage tank where pumps and fans distribute the heat

  7. Facts • Solar energy is the main source of energy for all life forms • Solar power is one of a few sources of energy that is completely free • Solar energy has been used for over 2700 years • Space missions have been using solar energy to power spaceships since 1958 •  The battery of a solar panel can last up to five days

  8. ConclusionWe Should Switch To Solar Energy Because: • Solar systems save money by not causing you to buy electricity • The energy source is easily maintained • It is very reliable and it produces a steady stream of energy when the sun is shining • Almost all states offer grants and reduction in sales tax if you have a renewable source of energy • It increases the value of your house

  9. Work Cited • "Solar Energy Pros and Cons." Energy Informative. N.p., n.d. Web. 20 Mar. 2014 •  "Solar Energy." Wikipedia. Wikimedia Foundation, 18 Mar. 2014. Web. 23 Mar. 2014 • WikiAnswers. Answers Corporation, n.d. Web. 23 Mar. 2014 • Padilla, Michael J., IoannisMiaoulis, and Martha Cyr. Prentice Hall Science Explorer. Needham, MA: Prentice Hall, 2002. Print

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