Grid collapse after 421 days of stability, restoration ongoing, says TCN

By Oke Peter
The Transmission Company of Nigeria (TCN) has announced that grid restoration nationwide is in progress and has reached advanced stages with power
supply now available in the West, North Central, South, East, and a large portion of the Northern parts of the country.

The power supply restoration is sequel to the total grid collapse, which occurred at about 12.35 am, this morning, causing outage nationwide, after over 421 days of consistent grid stability.

In the course of the grid restoration, the process initially suffered a setback; this does not amount to another collapse. In the course of any grid restoration process, challenges may be encountered. This happened today while the grid
restoration was in progress, but it was promptly addressed.

It would be recalled that the last total system collapse recorded was on 20th July 2022, and since then, to the 13th of September, 2023, (421 days). Prior to this, the system had been stable in spite of the challenges posed by zero spinning reserve and lack of System Control and lack of adequate Data Acquisition (SCADA) essential to a strong and stable grid, among others

TCN had been able to maintain 400 days of grid stability because it developed and deployed in-house stop gap measures and tools that it has continued to use to manage the nations grid, ensuring its stability.

The incident notwithstanding, TCN is determined to continue to do its best to ensure grid stability.

Meanwhile, the collapse that occurred after a fire incident on Kanji/Jebba 330kV line 2 is being investigated, with the view to forestalling future occurrence
and invariably further strengthen the grid.

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