NERC abolishes estimated billing by Discos …Mandates metering April 30 The Nigerian Electricity Regulatory Commission (NERC) has directed the 11 electricity distribution companies (Discos) to stop further collection of electricity bill under the estimated billing system. The suspension order signed by NERC’s Chairman, Mr. James Momoh and Commissioner, Legal, Licensing and Compliance, Mr. Dafe Akpeneye,