Definition of Process Energy Intensity

Total energy use E) becomes the numerator, while common measure of activity (4) is the denominator. For example, commonly used measures of activity are vehicle miles for passenger cars in transportation, kWh of electricity produced in the power industry, and unit of production for the process industry, respectively. 

Physical unit of production can be t/h or m /h of total feed (or product). Thus, industrial energy intensity can be defined as 

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