The Transmission Company of Nigeria (TCN) has announced plans to conduct a major preventive maintenance exercise at its 132/33kV transmission substation in Kontagora, Niger State, one of the country’s key power facilities.
According to a statement issued by Ndidi Mbah, General Manager of Public Affairs, the scheduled maintenance will take place on Wednesday, October 29, 2025, and will result in a 10-hour temporary power outage in parts of the state.
The statement read:
“The Transmission Company of Nigeria (TCN) hereby notifies the public that it will carry out an annual preventive maintenance exercise on a 60MVA, 132/33kV power transformer circuit breaker on Wednesday, October 29, 2025, at its Kontagora 132/33kV Transmission Substation in Niger State.
“The exercise, which commences from 8 am to 6 pm, is necessary to enable the contractor to complete the Current Transformer/Potential Transformer termination and Remote Termination Unit Site Acceptance Test.”
During the maintenance period, bulk power supply to the Abuja Electricity Distribution Company (AEDC) will be interrupted, affecting electricity distribution to Kontagora Town, Army Barracks, Water Works, Masuga, and nearby areas.
“TCN regrets any inconvenience this may cause and appeals for the understanding of the affected customers, assuring that bulk power supply to AEDC will be restored immediately after the maintenance exercise is completed,” the statement added.
The maintenance activity is part of TCN’s ongoing efforts to enhance system reliability and ensure steady power transmission across its network.

