NERC said metering issues accounted for 42.84 per cent of all complaints received in the quarter, followed by billing complaints at 12.27 per cent and service interruptions at 7.66 per cent. According to the reports, Port Harcourt DisCo again recorded the highest complaints with 44,012, while Yola DisCo remained the least with 2,189 complaints. It added that the three issues made up 75.57 per cent of complaints received during the quarter. It explained that Ibadan DisCo recorded the highest number of complaints at 40,520, while Yola DisCo recorded the lowest with 2,603. AdvertisementBy the fourth quarter, complaints received by DisCos had plunged to 58,973, representing a 63.05 per cent decline from the third quarter.