TCN Announces Planned Maintenance on Katampe Transmission Substation

The Transmission Company of Nigeria (TCN) has announced plans to conduct maintenance work at its 330kV Katampe Transmission Substation from Saturday, November 14, to Tuesday, November 24, 2026. The exercise involves replacing a defective earth switch on the 330kV Gwagwalada–Katampe Line 1 Incomer Disconnector with a new unit. This work is necessary to ensure the reliability and efficiency of the transmission infrastructure.

As a result of the maintenance, power supply will be interrupted on Tuesday, November 24, 2026, from 10:00 am to 6:00 pm. The Abuja Electricity Distribution Company (AEDC) will be unable to off-take bulk power for onward distribution to customers supplied through several substations during the stated periods. The affected areas include parts of Kubwa, Bwari, Dei-Dei, Zuba, Kaduna Road, Dakwa, Sabon Wuse, Gwarinpa, Dawaki, and environs.

The TCN has apologized for the inconvenience the interruption will cause electricity customers in the affected areas. The company assured that the maintenance work is essential to prevent future power outages and ensure a stable power supply. The AEDC will make necessary arrangements to minimize the impact of the outage on its customers.

The 330kV Katampe Transmission Substation plays a critical role in the transmission of electricity to the Federal Capital Territory (FCT) and other parts of the country. The substation is one of the key facilities that ensure the reliable supply of electricity to the region. The TCN's maintenance work will help to upgrade the facility and prevent future faults.

The TCN's announcement has informed relevant stakeholders, including the AEDC and other electricity distribution companies, about the planned maintenance. This will enable them to make necessary arrangements to manage the impact of the outage on their customers. The cooperation of electricity customers in the affected areas is essential to ensure a smooth execution of the maintenance work.

The maintenance work at the Katampe Transmission Substation is part of TCN's efforts to improve the reliability and efficiency of Nigeria's transmission infrastructure. The company has been working to upgrade its facilities and prevent power outages. The planned maintenance is a proactive measure to prevent future faults and ensure a stable power supply.

Electricity customers in the affected areas are advised to plan accordingly and take necessary precautions during the outage. The TCN and AEDC will provide updates on the maintenance work and the restoration of power supply. The successful completion of the maintenance work will help to improve the overall power supply situation in the region.

Key points

• The TCN's planned maintenance on the Katampe Transmission Substation will improve the reliability and efficiency of Nigeria's transmission infrastructure.