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Energy efficiency

Definition

Energy efficiency refers to using less energy to accomplish the same tasks or achieve the same level of comfort. It involves optimizing technology and practices to minimize wasted energy.

Analogy

Imagine you have two cars traveling at the same speed on a road. The car with better fuel efficiency will be able to cover more distance with less fuel consumption compared to a less efficient car.

Related terms

Renewable energy sources: Renewable energy sources are natural resources that can be replenished over time without depleting them permanently. Examples include solar power, wind power, hydropower, and geothermal energy.

Insulation: Insulation is a material used in buildings or appliances that reduces heat transfer between different areas or surfaces. It helps maintain desired temperatures while minimizing the need for excessive heating or cooling.

Smart grid: A smart grid is an advanced electrical grid system that uses digital technology to optimize the generation, distribution, and consumption of electricity. It enables better monitoring and control of energy usage.

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AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.