The national electricity grid collapsed again on Monday, plunging some parts of the country into darkness.
An official of the Transmission Company of Nigeria, who confirmed the incident to newsmen, said it was a partial collapse.
The TCN official, who did not want to be named because he was not authorised to speak to the press, told reporters that power is being restored gradually
It was observed that total generation on the grid dropped to zero as of 1:33 pm on Monday.