The Transmission Company of Nigeria (TCN) has announced a six-hour power outage in parts of the Federal Capital Territory (FCT) and Niger State on Tuesday, September 8, 2026, to enable the company carry out annual preventive maintenance on the 132kV Katampe–Gwarinpa Transmission Line 1.
TCN, in a statement issued by its Management on Monday, said the maintenance exercise would take place at its 132/33kV Katampe 1 Transmission Substation from 10:00am to 4:00pm.
According to the company, its maintenance crew will carry out annual preventive maintenance on the 132kV Katampe–Gwarinpa Transmission Line 1 bay switchgear and associated equipment.
The exercise, TCN explained, is necessary to ensure the continued reliability and efficient operation of the transmission infrastructure and to enable the maintenance team carry out the work safely.
Consequently, the Abuja Electricity Distribution Company (AEDC) will be unable to off-take electricity to customers in parts of Dawaki, Dutse Alhaji, Gwarinpa and environs.
Other affected areas include parts of Kubwa, Arab Road, Bwari, Mopol Barracks, Jiwa and environs, as well as Suleja Township, FCT College of Education, Field Base, Madalla, Zuba and adjoining communities.
TCN said the temporary power interruption would remain in effect throughout the scheduled maintenance period, after which electricity supply is expected to resume subject to the successful completion of the exercise.
The company apologised to electricity customers in the affected areas for the inconvenience the planned outage may cause.
TCN urged affected customers to make necessary arrangements ahead of the scheduled maintenance and thanked them for their understanding and cooperation.
