Power Factor Improvement Plant 

Power factor improvement plant is use for reducing the gap between real power and apparent power. The power being wasted is inversely proportional to the power factor . more it is close to 1 less is the wastage therefore pf of the system is always recommended and advised to be closer to 1 (unity) i.e. 0.95-0.99

Benefits of Factor Improvement Plant:

Increase in efficiency of system and equipment.
Low voltage drop.
An increase in available power. 
Long equipment life.
Line losses is reduce.
Eliminate the penalty of low power factor from wapda.
Saving energy as well as electric bill.