The Transmission Company of Nigeria TCN has disclosed that there was a total system collapse of the grid, as a result of voltage collapse at some parts of the grid. A release made available to the media yesterday by the General Manager Corporate Affairs of the TCN Ndidi Mbah explained that the incident took place at about 11.01 am yesterday, 12th of May, 2021.

TCN however, added that it has commenced grid recovery immediately after the collapse, from Shiroro Generating Station to Katampe TS, Abuja through the Shiroro – Katampe line at 11:29 am, and also through Delta Generating Station to Benin Transmission Substation and has reached Osogbo and parts of Lagos.

According to the statement, “While the grid restoration and power restoration gradually progress to other parts of the country, the cause of voltage collapse that precipitated this failure is equally being investigated. TCN appeals for patience as it works assiduously to ensure full restoration of the grid and consequently power supply to the remaining parts of the country.”

Electricity power system collapse is the process by which there are events that led to voltage instability and the voltage drop to unacceptable level in a significant part of power system.

System collapse can also be referred to the situation where most power generating stations connected to the grid shut down at the same time or sequentially leaving the entire area supplied by the grid in blackout.

Before the recent occurrence Nigeria recorded system collapse on Sunday November 30th 3020.

That was when the nation’s electricity grid experienced multiple tripping, which led to the collapse of the system.

Also in December last year, the grid suffereda total collapse, which the TCN explained that it lasted 40 minutes.

Before that the national grid on February 17 experienced partial collapse leading to power outage in some parts of Nigeria including Lagos.

The nation had experienced  drastic reduction in power supply through the national grid in recent time,  with generation standing  at 2,243.20mw, a development blamed on the vandals by government.

System collapses in the Nigerian power supply was also reported in August, 2014.

The latest development is coming about a month after Nigeria suffered extensive power outage when 18 plants accounting for most of the electricity the country generates faced operational problems.


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