The Transmission Company of Nigeria (TCN) has announced a three-hour electricity disruption in parts of Abuja on Wednesday, September 2, 2026, to enable urgent maintenance at its 330/132kV Gwagwalada Transmission Substation.
In a notice, the company said the maintenance exercise would take place from 10 a.m. to 1 p.m. and involve work on the substation’s 33kV, 6MVA earthing reactor.
TCN said the exercise would affect the ability of the Abuja Electricity Distribution Company (AEDC) to supply electricity to customers in several areas during the maintenance period.
The affected areas include Aso Villa, Asokoro, African Medical Centre, Kabusa, EFAB Estate, Apo Resettlement, Zone E Extension, Trademoore and adjoining communities.
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The company apologised to electricity consumers in the affected areas for the inconvenience the planned maintenance might cause.
TCN explained that the exercise was necessary to address urgent maintenance requirements at the transmission substation and ensure the reliability of the electricity supply system.
