Power Blackout: TCN finally restores collapsed grid system

Power Blackout: TCN finally restores collapsed grid system

The Transmission Company of Nigeria, TCN, has fully restored the nation’s electricity grid system after nationwide blackout.

The grid system had collapsed around 12:20 pm on Wednesday, following a trigger by a sudden drop in system frequency to 47.21Hz

The company’s General Manager, Public Affairs, Mrs. Ndidi Mbah in a statement issued Thursday morning in Abuja, however, commended electricity consumers for patience exhibited during the period.

The statement reads; ”The Transmission Company of Nigeria hereby states that the nation’s grid was fully restored at 4:59 pm yesterday, 28th July 2021, after a grid collapse which occurred at about 12:20 pm the same day,

”The collapse was triggered by a sudden drop in system frequency to 47.21Hz.

”Reports received from SCADA and other power generating stations showed that at about 12:20 pm, two generating units tripped in one generating station while four equally tripped in another generating station, causing a loss of 261MW and 350MW respectively, bringing the total loss of electricity on the grid to 611MW.

”It is suspected that the sudden loss of 611MW from the grid, caused system instability and its eventual collapse.

”After the collapse, however, TCN’s system operators immediately commenced the restoration of the grid and by 12:46 pm, power supply in Abuja was fully restored from Shiroro Generating Station.

”At 1:05 pm, TCN equally commenced grid restoration from the Delta Power Station, and at 4:59 pm, a full restoration of the entire grid was achieved.

:’We appreciate the government, electricity customers nationwide, and our international customers for their patience and note that TCN would continue to work hard to expand and maintain the stability of the national grid.”


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