Kot Addu Power Company Ltd (Kapco) said on Monday it has submitted a tariff petition to the National Electric Power Regulatory Authority (Nepra) for a reference generation tariff. The independent power producer (IPP) made the announcement as its original power purchase agreement (PPA) of 1996 completed its term on Oct 24. As a result, the operator of a multi-fuel–powered plant of 1,600 megawatt