Question

(a) What do you understand by energy intensity and energy efficiency.

(b) Describe the basic aim of energy security for a nation.

17 Aug 2021
Answer :
Word Count : 843

(a) Energy intensity

Energy intensity is a measure of the energy efficiency of a nation's economy. It is calculated as units ofenergy per unit of GDP.

  • High energy intensities indicate a high price or cost of converting energy into GDP.
  • Low energy intensity indicates a lower price or cost of converting energy into GDP.

Energy Intensity as defined here is not to be confused with Energy Use Intensity (EUI), a measure of building energy use per unit area. For Energy Use Intensity, see the definition on the Energy Star webpage.

energy efficiency

Energy efficiency is "using less energy to provide the same service".There are other definitions, but this is a good operational one.

The best way to understand this idea is through examples:

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