Nigeria, Sept. 10 -- The Nigerian Independent System Operator (NISO) said the national grid experienced a system disturbance at 11:20 a.m. on Wednesday.

Earlier, the Abuja Electricity Distribution Company (AEDC) announced a power outage affecting its franchise areas. The AEDC said the outage was due to a loss of supply from the national grid, which occurred on Wednesday.

NISO, in a statement signed by its management, said the disturbance was caused by the tripping of a generation company (GenCo), resulting in a significant load drop that cascaded to other GenCos, leading to a system disturbance.

"The Nigerian Independent System Operator (NISO) informs the general public that the national grid experienced a system disturbance at 11:20 h...