National Grid Returns to Normal After 330kV Transmission Network Trippings – NISO
The Nigerian Independent System Operator (NISO) has announced that the national grid has returned to normal operation following multiple trippings on the 330kV transmission network on Monday, October 19, 2026.
In a statement, NISO said the incident occurred at approximately 12:40 p.m., prompting the immediate implementation of corrective measures in collaboration with the Transmission Company of Nigeria (TCN) to stabilise the power system and restore normal operations.
The operator confirmed that restoration efforts had been successfully completed and that the national grid was operating normally.
NISO clarified that the incident affected only a section of the grid, contrary to unverified reports circulating in the media suggesting a wider disruption.
It urged members of the public to disregard misleading information and rely on its official communication channels for accurate and verified updates on the status of the national grid.
The operator reaffirmed its commitment to maintaining grid stability, ensuring the reliable operation of Nigeria’s electricity transmission system and providing timely information to the public.
For further information and official updates, members of the public can visit www.niso.org.ng.
National Grid Returns to Normal After 330kV Transmission Network Trippings – NISO