Nigeria’s NISO reports partial grid disturbance triggered at Gombe high voltage substation

Nigerian Independent System Operator (NISO), the country’s system operator, has confirmed that a voltage disturbance originating from the state-owned Transmission Company of Nigeria’s (TCN) 330/132/33 kV Gombe transmission substation, led to a partial collapse of Nigeria’s national electricity grid on January 27, 2026. According to NISO, the disturbance occurred at approximately 10:48 am and rapidly […]