After a short gap I was going through the Plan Services Web page and found this informative article on how to control harmonic distortions and achieve energy consumption reduction. As a bonus, we can get extended life for our equipment such as motors and drives.
Please read and be enlightened.
Control harmonic distortion to reduce energy consumption and extend asset life
Timothy Skell, Eaton Corp.Mitigate electrical harmonics: It improves system reliability, uptime and energy efficiency.