Power

Power Grid Disturbance Caused By Sudden Frequency Spike-TCN

By Sunday Etuka, Abuja

The Transmission Company of Nigeria (TCN) has disclosed that the rational grid disturbance which occurred at about 11:29am in the morning, was caused by a sudden rise in frequency from 50.33Hz to 51.44Hz.

TCN’s General Manager, Public Affairs, Mrs Ndidi Mbah who disclosed this in a statement on Thursday, revealed that the recovery efforts began immediately, and that the Abuja Axis was restored within 28 minutes.

While affirming that the recovery is still ongoing, Mrs Mbah explained that the frequency spike was caused by issues encountered at one of TCN’s substations, which had to be shut down to prevent further complications.

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In addition to this, she said, the company is actively engaging in significant repair work 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,” she added.

The GM informed that following the submission of the investigative report on the causes of previous grid collapses, the company has begun to address 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.

“However, it is important to note that while these repairs and improvements are underway, some degree of instability in the system is likely to persist until all major works are completed.

“We acknowledge the impact of these disruptions and ask for the understanding and patience of the public during this challenging period,” she appealed.

Mbah said, the company remains committed to improving the reliability of electricity supply, recognizing the vital role that stable power plays in Nigeria’s socio-economic development.

She assured the public that all necessary measures are being taken to ensure the grid’s long-term stability, in line with the recommendations of the investigative committee, while also addressing infrastructure damage such as vandalized transmission lines.

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