The Transmission Company of Nigeria (TCN) said power has fully restored to the national grid after a partial disturbance at about 15.09Hrs yesterday, 6th July, 2024.
The system disturbance, which brings to three, the partial grid disturbances, with one total disturbance this year, was suspected to have been triggered by the unexpected tripping of three units of a power generating station, which suddenly removed 313MW from the grid, causing system instability that led to the loss of bulk supply to a section of the national grid.
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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 e.t.c 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 todays incident was successfully restored.
