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Energy efficiency

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Publicada em: Educação, Tecnologia, Negócios
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Energy efficiency

  1. 1. The ability to do work. The capacity of an object to make things happen. For eg- When a fast moving cricket ball hits a stationary wicket the wicket is thrown away. For eg- When a raised hammer is striked on a nail placed on a piece of wood, it drives the nail into the wood.
  2. 2. It refers to the efforts made to reduce the amount of energy required. It provides products and services. For eg-Compact fluorescent lights use two-thirds less energy and may last 6 to 10 times longer than incandescent lights.
  3. 3. Kinetic Energy Potential Energy Heat energy Chemical Energy Electrical Energy Light Energy
  4. 4. . Efficient energy use, sometimes simply called energy efficiency, is the goal of efforts to reduce the amount of energy required to provide products and services. For example, insulating a home allows a building to use less heating and cooling energy to achieve and maintain a comfortable temperature. Installing fluorescent lights or natural skylights reduces the amount of energy required to attain the same level of illumination compared to using traditional incandescent light bulbs. Compact fluorescent lights use two-thirds less energy and may last 6 to 10 times longer than incandescent lights.
  5. 5. Modern energy-efficient appliances, such as refrigerators, freezers, ovens, stoves, dishwashe rs, and clothes washers and dryers, use significantly less energy than older appliances.
  6. 6. Providing power to the home electrical system Refrigerator Washing Machines Electric Geyser
  7. 7. Refrigeration: 8% Cooling: 31% Heating: 12% Water Heating: 12% Lighting: 11% Electronics: 9% Appliances: 9% Others: 8% Percentage of Electricity Consumption Refrigeration Heating Cooling Water Heating Lighting Electronics
  8. 8. Watching Television Turning on the Air Conditioner Charging a cell phone
  9. 9. Switch off lights and fans when not in use Use CFL’s instead of incandescent bulbs
  10. 10. Put the lids on the saucepan to keep the heat in while the food is cooking Switch off the TV’s and computers. Do not leave it on standby.
  11. 11. Use appliances with the BEE rating to conserve electricity Keep doors and windows shut while the AC is on for effective cooling.
  12. 12. We should use microwaves instead of conventional ovens as they heat food quickly and efficiently. We should not leave our fridge door open as it takes energy to cool down again
  13. 13. LED bulbs save 90% energy in your house by switching to them. Use the collected rainwater for gardening and washing vehicles
  14. 14. Energy is an important resource in our lives. we should take a pledge to conserve it. Energy conservation is broader than energy efficiency in including active efforts to decrease energy consumption, for example through behavioural change, in addition to using energy more efficiently
  15. 15.  It is an opportunity for individuals, groups, busi nesses and governments to do something positive for the environment.  This year too India participated in the Earth Hour on 31st March 2012, switching of the lights from 8:30-9:30pm.