The Transmission Company of Nigeria confirmed the collapse of the national grid on Monday morning and also said it has been restored.
TCN blame the national grid collapse on the drop in the system frequency, adding that a full-scale investigation is being conducted.
Punch Metro reported that the grid collapsed on Monday morning with a text from Ikeja Electric to its customers confirming the incident.
The notice from Ikeja Electric reads, ‘’The current supply interruption is as a result of total collapse of the national grid today, which has led to outage across all Ikeja Electric network. Please be assured that your supply will be restored as soon as supply is restored to the national grid. Apologies for the inconvenience we must have caused you.’’
Restoring the grid, TCN in its statement said, “The incident was a result of sudden drop in system frequency, which created system instability.
“The restoration of the affected part of the grid commenced immediately at 11.55am with Osogbo/Ihovbor back to the grid, followed by Jebba/Osogbo, Kainji/Jebba, Benin/Onisha, Shiroro/Kaduna, Shiroro/Katampe, and Alaoji/Ikot-Ekpene. Others are Lokoja/Gwagwalada, Odukpani/Ikot Ekpene, Benin/Omotosho, Oke-Aro/Ikeja West Egbin/Oke-Aro and Kaduna/Kano.
They added that The National Control Centre said a full-scale investigation is being conducted to establish and ascertain the cause of the partial disturbance as this unwholesome event has resulted in aggregated generation loss.