TCN confirms national grid fully restored after collapse

The Transmission Company of Nigeria (TCN) have announced that the national power grid has been restored following its collapse on Saturday.

This was confirmed by the TCN Public Affairs General Manager, Ndidi Mbah.

Mbah described the collapse as partial, saying that “there was a partial disturbance of the grid at about 15.09Hrs yesterday, 6th July 2024.”

According to her, the incident “brings to three, the partial grid disturbances, with one total disturbance this year.”

The TCN spokesperson said the grid collapse is suspected to have been triggered by the unexpected tripping of three units of a power-generating station which she said suddenly removed 313MW from the grid, causing system instability that led to the loss of bulk supply to a section of the national grid.

“Meanwhile, the system operator reacted to the sudden drop in generation which led to a dip in frequency by islanding a section of the grid which includes the Ibom Power Station through which the company continued to feed Uyo, Aba, Itu, Eket, Calabar, etc. even when the other section of the grid had no supply.

“Also, the operators commenced grid restoration efforts immediately after the incident. At about 21.57 hrs yesterday, the entire part of the grid that was affected by today’s incident was successfully restored,” Mbah said.

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