The National Electric Power Regulatory Authority (Nepra) on Wednesday authorised ex-Wapda distribution companies (XWDiscos) to levy a Rs2.83 per unit charge in consumers’ electricity bills for May as part of fuel cost adjustment (FCA) charges. Nepra said the FCA pertains to the month of March. According to a notification issued by Nepra, a copy of which is available with Dawn.com, the new ad