Nigeria experienced another nationwide power outage on Tuesday after the national electricity grid suffered a second system collapse within five days.
The latest breakdown was confirmed by data from the Nigerian Independent System Operator (NISO), which showed that power generation dropped to zero megawatts at about 11:00 a.m. on Tuesday, while overall output later fell to 39 MW.
According to NISO, the collapse resulted from a system-wide disturbance triggered by the simultaneous tripping of multiple 330kV transmission lines and the disconnection of some grid-connected generating units.
The development follows a January 23 grid failure and adds to a series of outages recorded in 2025, with the last occurring on December 29. These incidents have largely been blamed on technical faults, poor maintenance, and generation fluctuations.
Persistent grid collapses and erratic power supply continue to disrupt businesses and households nationwide, forcing many Nigerians to rely on alternatives such as generators and solar power.
As of the time of filing this report, there was no official statement from the Transmission Company of Nigeria or NISO on the specific cause of the latest collapse or a timeline for the full restoration of electricity nationwide.
Safiya Muhammed Bello
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