Transmission Company Blames Eko Disco Feeders for Lekki Substation Fault

The Transmission Company of Nigeria (TCN) has attributed the recent transmission fault at the Lekki Transmission Substation to issues with the Eko Electricity Distribution Company’s (EKEDP) feeders. TCN issued a statement to clarify the incident, countering what it described as misinformation circulated by EKEDP.

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Contrary to EKEDP’s claim that TCN’s T11 transformer tripped unexpectedly and was awaiting inspection, the actual incident involved the simultaneous tripping of EKEDP’s Oniru 33kV and Agungi 33kV feeders at 04:34am on 26th August, 2026, due to overcurrent and earth fault.

According to TCN, the fault occurred on August 26, 2026, at approximately 4:34 a.m. when EKEDP’s Oniru 33kV and Agungi 33kV feeders tripped simultaneously due to overcurrent and earth fault. TCN stated that this event caused the primary and secondary breakers of its TR1 60MVA 132/33kV transformer to inter-trip, accompanied by a loud noise and smoke.

Contrary to EKEDP's assertion that TCN’s T11 transformer tripped unexpectedly, TCN maintained that no outage occurred on its T11 transformer. The company explained that its maintenance crew promptly responded, repaired the damaged secondary breaker, and restored both primary and secondary breakers later that day. However, the fault reoccurred when EKEDP attempted to reconnect its Oniru feeder, necessitating further corrective actions.

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No outage occurred on TCN’s T11 transformer as claimed by EKEDP. The incident was strictly related to EKEDP’s Oniru 33kV and Agungi 33kV feeders.

TCN confirmed its technical team remained on-site to restore electricity supply to affected customers as quickly as possible. The company reaffirmed its commitment to strengthening the national transmission network to prevent future occurrences and apologized for any inconvenience caused to electricity customers impacted by the incident.

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TCN assures electricity customers impacted by the incident that we are actively addressing the fault caused by the DisCo’s feeders and regrets any inconvenience caused.