TCN RESTORES THE NATION’S GRID

"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", the statment by the General Manager, Public Affairs TCN.

The Transmission Company of Nigeria, TCN has announced the full restoration of the nation’s grid.

This announcement followed a grid collapse which occurred at about 12:20 pm on Wednesday, 28th July 2021 but, following highly efficient and proactive steps adopted by the management and engineering personnel of the TCN, it was restored the same day, at about 4:59pm.

A statement issued by the GM, Public Affairs of the Transmission Company, Ndidi Mbah on Thursday, 29th July, 2021 disclosed that 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", the statment read..

"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". 

A"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", the statment by the General Manager, Public Affairs concluded.