The importance of energy in industrial development is very crucial since major fraction of energy is used in industrial processes. It has dominated more than 50% of total energy consumption worldwide. The delivered energy in industrial sector is utilized in four major sectors: construction, agriculture, mining, and manufacturing. Fig. 5.31
shows the industrial energy consumption trend until 2030 
. Over the next 25
years, worldwide industrial energy consumption is projected to grow from 51,275
Watt) in 2006 to 71,961
ZW in 2030 by an average of 1.4% per year.