The Transmission Company of Nigeria (TCN) has successfully completed live-line maintenance on the Zaria–Funtua 132kV transmission line in its Kaduna Region without disrupting bulk power transmission.
According to the company’s General Manager, Public Affairs, Ndidi Mbah in a Statement dated July 8, 2026. the maintenance exercise was carried out by its Live-Line Crew from Saturday, July 4 to Tuesday, July 7, 2026, under energized conditions, thereby eliminating the need for a planned power outage.
TCN said the exercise involved the replacement of damaged glass disc insulators on selected transmission towers with a combination of polymer and glass disc insulators to restore the integrity and reliability of the insulation strings.
The affected towers were T14, T17, T40, T63, T78, T175, T177 and T178, with each tower having at least five damaged glass disc insulators.
The company noted that carrying out the maintenance while the transmission line remained energized ensured the uninterrupted transmission of bulk electricity throughout the operation.
TCN described the successful completion of the exercise as a demonstration of its commitment to maintaining a safe, reliable and efficient transmission network through the deployment of modern live-line maintenance techniques.
