Port Qasim Electric Power Company Ltd (PQEPC), which runs a $1.9 billion power plant of 1,320 megawatts on imported coal, has served a formal notice of payment default on the Central Power Purchasing Agency (CPPA). The total verified due amount that the state-backed, sole electricity purchaser owes the independent power producer (IPP) amounted to Rs77.3bn or $263.5 million as of May 15, accordi