Energy consumption

Energy Consumption

Energy consumption (pronunciation: /ˈɛnərdʒi kənˈsʌmpʃən/) refers to the amount of energy or power used by human activities or machinery. It is a key concept in many fields, including physics, engineering, and environmental science.

Etymology

The term "energy consumption" is derived from the English words "energy" (from the Greek "energeia", meaning activity or operation) and "consumption" (from the Latin "consumptio", meaning using up).

Related Terms

• Energy Efficiency: The ratio of useful output to energy input, often used as a measure of how effectively a system uses energy.
• Energy Conservation: The practice of reducing energy use, often through behavioral changes or technological improvements.
• Renewable Energy: Energy from sources that are naturally replenished, such as solar power, wind power, and hydroelectric power.
• Non-renewable Energy: Energy from sources that cannot be replenished once used, such as fossil fuels and nuclear power.
• Energy Intensity: A measure of the energy efficiency of a nation's economy, calculated as units of energy per unit of GDP.

See Also

• Energy production
• Energy transformation
• Energy use and conservation in the United Kingdom
• Energy policy

External links

• Medical encyclopedia article on Energy consumption
• Wikipedia's article - Energy consumption

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