Manny Ita
The Nigerian Independent System Operator (NISO) has confirmed the full restoration and stabilization of the national electricity grid following a total system collapse that occurred at approximately 12:40 pm on Friday, January 23, 2026. The incident, which marked the first grid failure of the year, saw national power generation plummet from over 4,500 megawatts to a near-total blackout of just 24 megawatts within an hour, leaving all 11 electricity distribution companies (DisCos) with zero load allocation. System data monitored on Sunday morning showed that the grid had recovered significantly, delivering approximately 4,058 megawatts to the national network as supply normalized across major urban centers and industrial hubs.
Preliminary investigations by NISO attributed the system-wide disturbance to the simultaneous tripping of multiple 330kV high-voltage transmission lines, which triggered a chain reaction leading to the forced shutdown of all 23 grid-connected power plants. Restoration efforts began roughly 35 minutes after the collapse, utilizing “black-start” procedures from strategic locations including the Kainji, Jebba, and Shiroro hydropower stations. While key cities such as Abuja, Lagos, and Benin saw early signs of recovery by Friday evening, many regions experienced a more gradual return to normalcy over the weekend as engineers worked to synchronize the delicate balance between generation and demand.
In response to the outage, power sector stakeholders have renewed calls for a more decentralized energy architecture, noting that the national grid remains vulnerable due to aging infrastructure and a lack of adequate spinning reserves. While the Transmission Company of Nigeria (TCN) continues a detailed probe into the root causes of the tripping, NISO emphasized that maintaining grid stability remains its highest operational priority to prevent a recurrence of the frequent collapses recorded in previous years. A statement from the operator appealed for public patience during the final stages of the recovery, noting, “The full restoration and stabilization of the grid remains a top operational priority as we work to ensure a consistent and reliable power supply across the interconnected network.”
