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Understanding Solar Energy: Types, Benefits, and Applications

Solar energy harnesses the power of the sun, using technologies like photovoltaic panels and passive systems to convert sunlight into electricity and thermal energy. Photovoltaic panels collect DC current from semiconductor materials when exposed to light photons, while passive solar systems convert sunlight to thermal energy without mechanical parts. This renewable energy source is abundant and environmentally friendly but may involve high initial costs and space requirements. Switching to solar energy can lower your electricity bills, increase your property value, and support sustainable living.

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Understanding Solar Energy: Types, Benefits, and Applications

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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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