Around 100 plants paid Rs99bn in capacity payments in Oct-Dec despite most of them operating at below 20pc ISLAMABAD: With almost two-thirds of power plants operating at less than 20 per cent utilisation factor, the National Electric Power Regulatory Authority (Nepra) on Wednesday notified ex-Wapda Distribution Companies (Discos) to charge 47 paise per unit to their consumers to mop up Rs15.5 b