National grid collapses again; TCN blames line tripping

The Transmission Company of Nigeria (TCN) has blamed the ninth collapse of the national grid on “a series of lines and generators tripping that caused instability,” resulting in the partial disturbance of the system.

A statement by the General Manager of TCN, Public Affairs, Ndidi Mbah, disclosed that the partial disturbance was experienced about 1:52pm knocking off power supply with data from the Independent System Operator, an autonomous arm of the Transmission Company of Nigeria (TCN) showing all power plants connected to the grid didn’t produce any electricity around 2pm.

The ISO’s website showed the generation plants produced an average of 2,711 megawatt of electricity around 1pm but later dropped to 61.60MW.

This comes after three grid collapses in October which were blamed on a fire outbreak at the Jebba transmission station.

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Ndidi, however, said data from the National Control Centre (NCC) revealed that a part of the grid was not affected by the bulk power disruption.

“TCN engineers are already working to quickly restore bulk power supply to the states affected by the partial disturbance. Presently, bulk power supply has been restored to Abuja, at 2.49pm, and we are gradually restoring to other parts of the country.

“We sincerely apologise for every inconvenience this may cause our electricity customers,” she said.