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DDP

DDP. Alternative Energy. What is Renewable Energy?. Energy generated from natural resources such as sunlight, wind, rain, tides, and geothermal heat, which are naturally replenished. Solar Energy.

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DDP

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  1. DDP Alternative Energy

  2. What is Renewable Energy? • Energy generated from natural resources such as sunlight, wind, rain, tides, and geothermal heat, which are naturally replenished.

  3. Solar Energy • Solar technologies use the sun's energy to provide heat, light, hot water, electricity, and even cooling, for homes, businesses, and industry.

  4. Solar Photovoltaic Technology • Photovoltaic (PV) cells convert sunlight directly into electricity. PV gets its name from the process of converting light (photons) to electricity (voltage), which is called the PV effect. • http://www.nrel.gov/learning/re_photovoltaics.html

  5. Solar panels used to power homes and businesses are typically made from solar cells combined into modules that hold about 40 cells. A typical home- 10 to 20 solar panels • Fixed Panels-South • Tracking Device • Solar array.

  6. Wind Energy • Wind is a clean, inexhaustible, indigenous energy resource that can generate enough electricity to power millions of homes and businesses. Wind energy is one of the fastest-growing forms of electricity generation in the world.

  7. A wind turbine works the opposite of a fan. Instead of using electricity to make wind, like a fan, wind turbines use wind to make electricity. • http://www1.eere.energy.gov/windandhydro/wind_how.html

  8. Inside the Wind Turbine http://www1.eere.energy.gov/windandhydro/printable_versions/wind_animation.html

  9. Geothermal Energy • Geothermal energy taps the heat that lies beneath the earth's surface

  10. Many technologies have been developed to take advantage of geothermal energy—the heat from the earth. This heat can be drawn from several sources: hot water or steam reservoirs deep in the earth that are accessed by drilling

  11. A utility can use the hot water and steam from reservoirs to drive generators and produce electricity for its customers. • http://www1.eere.energy.gov/geothermal/egs_animation.html

  12. Support Renewable Energy • Helping secure a clean energy future for the nation and the world isn't just about reducing energy usage or producing clean energy. It is about how energy moves from the power source to the end user - using our energy most effectively and wisely.

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