TCN Reveals Reason For Thursday’s National Grid Collapse

The Transmission Company of Nigeria (TCN) has explained that the ongoing repair works were responsible for Thursday’s grid collapse.

This was revealed in a statement signed by TCN spokesperson, Ndidi Mbah.

According to her, the national grid experienced a disturbance at approximately 11:29 am on Thursday, caused by a sudden rise in frequency from 50.33Hz to 51.44Hz.

“Recovery efforts began immediately, and the Abuja Axis was restored within 28 minutes. Recovery is still ongoing,” she said, even though many residents reported they had yet to receive power supply since the first grid collapse on Tuesday.

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“The frequency spike was caused by issues encountered at one of TCN’s substations, which had to be shut down to prevent further complications. In addition, we are actively engaged in significant repair works on several critical transmission lines and substations.

“This includes the 330kV transmission lines along the Shiroro–Mando axis, major upgrades at the Jebba Transmission Substation, and the restoration of the second Ugwuaji–Apir 330kV transmission line.

“Furthermore, following the submission of the investigative report on the causes of previous grid collapses, we have begun addressing the identified weaknesses in the transmission system.

“Efforts are being made to close the gaps highlighted in the report and to enhance the overall stability and resilience of the grid. These efforts include both technical upgrades and strategic interventions based on the committee’s recommendations,” Mbah added.