Power Outage Hits Northern Nigeria After Transmission Line Fault, TCN Reports

The Transmission Company of Nigeria (TCN) has reported a power outage affecting the northeast, northwest, and parts of north-central Nigeria. The outage occurred after the 330-kilovolt (kV) Ugwaji-Apir double circuit transmission lines tripped early Tuesday morning.

According to a statement by Ndidi Mbah, TCN’s general manager of public affairs, the lines tripped around 4:53 a.m. due to a fault. The incident resulted in the loss of 468 megawatts (MW) of power.

“At approximately 4:53 am, the Ugwuaji-Makurdi 330kV Line 2 tripped, and 243 MW on that line was transferred to Line 1 on the same route. At 4:58 am, Line 1 also tripped, resulting in a total loss of 468 MW. By around 5:15 am and 5:17 am, Line 1 and Line 2 were tried, but they all tripped immediately on the same relay indication,” Mbah said.

He stated that teams from TCN’s Apir and Enugu transmission units were deployed to trace the fault along the 215-kilometre route, which includes 245 transmission towers. However, the teams have so far been unable to locate the cause of the outage. He said fault tracing is still ongoing.

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