What does Energy Efficiency entail?
Energy Efficiency, sometimes also called efficient energy use, basically means using less energy to provide the same level of energy service. Energy Efficiency offers a powerful and cost-effective tool which allows us to achieve a sustainable energy future. If improvements in Energy Efficiency are made, it can, among others, cut fuel costs, reduce the need for investment in energy infrastructure, improve consumer welfare, as well as increase competitiveness. A number of environmental benefits can also be brought about by Energy Efficiency, which includes the reduction of greenhouse gas emissions and local air pollution. Energy security can also reap the benefits from better Energy Efficiency by means of decreasing the reliance on imported fossil fuels.
What are some Practical Examples of Energy Efficiency?
Energy Efficiency is achieved primarily by means of a more efficient technology or process rather than by changes in individual behaviour. A good example of Energy Efficiency is the installation of fluorescent lights or skylights instead of incandescent lights to attain the same level of illumination. A 13 watt fluorescent light bulb outputs the same amount of visible light as a 60 watt incandescent light bulb; thus you are getting more light for less energy. Another example of Energy Efficiency would be to insulate a home allowing the building to use less heating and cooling energy to achieve and subsequently maintain a comfortable temperature.
What Role does Energy Efficiency play towards Preserving Sustainable Energy?
Together with renewable energy, Energy Efficiency are said to be the “twin pillars” of a sustainable energy policy. In order to reduce and thus stabilize carbon dioxide emissions, Energy Efficiency should be developed together with renewable energy. Energy Efficiency is essential to slowing the energy demand growth in order to allow rising clean energy supplies to make deep cuts in fossil fuel use. If energy use grows too quickly, renewable energy development will chase a receding target. Also, unless clean energy supplies is present, a slowing demand growth will begin to reduce total carbon emissions; a reduction in the carbon content of energy sources is thus also necessary. The role of Energy Efficiency in concurrency with renewable energy is of great importance towards preserving a sustainable energy policy.
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