The National Grid

TCN RESTORES ABA–ITU 132kV TRANSMISSION LINE The Transmission Company of Nigeria (TCN) wishes to inform the public that Aba–Itu 132kV transmission line was successfully restored at 7:53pm on Sunday, 8th November 2026. The outage, which commenced at 1:02 p.m. on Saturday, 7th November 2026, was caused by a fault on the transmission line. TCN maintenance crew subsequently patrolled the line and carried out the necessary corrective measures, leading to its successful restoration. Following the restoration, Port Harcourt Electricity Distribution Company (PHEDC) has resumed the off-take of electricity for onward distribution to customers in Uyo, Eket, Ekim and Itu. TCN assures electricity consumers of its continued commitment to the efficient transmission of bulk electricity. Signed: Management Transmission Company of Nigeria (TCN) 9/12/26 #tcnnigeria

NOTICE OF SCHEDULED ANNUAL PREVENTIVE MAINTENANCE AT 132/33kV KATAMPE 1 TRANSMISSION SUBSTATION The Transmission Company of Nigeria (TCN) wishes to inform the public that its maintenance crew will carry out scheduled maintenance on the bay switchgears and associated equipment of the Katampe-Gwarimpa 132kV Line II at the 132/33kV Katampe 1 Transmission Substation on Thursday, October 29, 2026, from 10 am to 4 pm. Consequently, the Abuja Electricity Distribution Company (AEDC), will be unable to off-take electricity for onward supply to customers in parts of Kubwa, FO1, Gbazan­go, Byazin, Byazin Across, Dutse Alhaji, Dutse Makaranta, Ushafa, Bwari and environs, parts of Suleja, Kaduna Road, Sabon Wuse, Dikko, Madalla, Zuba, Dakwa, Tugan Maji and environs. TCN apologises for any inconvenience this will cause electricity customers in the affected areas. Signed: Management Transmission Company of Nigeria,TCN 28/10/2026 #tcnnigeria #electricity

TCN COMPLETES RECONSTRUCTION OF COLLAPSED 132kV TOWERS, RESTORES KARU-KEFFI-AKWANGA TRANSMISSION LINE The Transmission Company of Nigeria (TCN) wishes to inform the public that it has completed the reconstruction of three collapsed 132kV transmission towers, T78, T79 and T80, and restored the Karu-Keffi-Akwanga Transmission Line. The reconstruction was completed at 5:31 pm on Wednesday, 28th October, 2026, restoring the transmission pathway serving the 132/33kV Keffi and Akwanga Transmission Substations. The towers had collapsed on 7th October, 2026 following heavy rainfall and strong winds. TCN's maintenance crew worked diligently to reconstruct them and restore the affected line. TCN remains committed to maintaining and strengthening its transmission infrastructure to ensure the reliable and efficient transmission of bulk electricity across the country. Signed: Management Transmission Company of Nigeria (TCN) 28/10/26 #tcnnigeria #electricity

Honourable Minister of Power Commissions Transmission Projects: TCN 2x40MVA, 132/33kV Walalambe Transmission Substation in Kano on Thursday, October 22, 2026 #tcnnigeria

RESTORATION OF SUPPLY ON AJAH/LEKKI 330kV TRANSMISSION LINE The Transmission Company of Nigeria (TCN) wishes to inform the public that the Ajah–Lekki 330kV Transmission Line was successfully restored to service at 3:18pm today, 21st October 2026. At 12:40pm on October 19, 2026, Ajah 330/132/33kV Transmission Substation lost supply on the Egbin–Ajah 330kV Transmission Lines 1 and 2 due to a system disturbance. Following the restoration of supply, Ajah–Lekki 330kV Transmission Line tripped again at 5:02pm due to a three-phase-to-ground fault on Zone 1 protection. The line was subsequently patrolled and restored at 6:50 on October 20, 2026. However, the GIS circuit breaker at Lekki Transmission Substation could not be closed due to pole discordance. TCN engineers have since resolved the pole discordance and successfully closed the breaker, restoring the line to service. TCN appreciates the patience of customers of Eko Electricity Distribution Company (EKEDC) affected by the outage and regrets any inconvenience caused. Signed Management Transmission Company of Nigeria (TCN) 21/10/26 #tcnnigeria #electricity

RESTORATION OF POWER SUPPLY AT GWAGWALADA TRANSMISSION SUBSTATION The Transmission Company of Nigeria (TCN) wishes to inform the public that power supply has been restored at 4:54 p.m. on Saturday, 17th October 2026, following the successful completion of annual preventive maintenance on its 60MVA 132/33kV Transformer TR1 at the 330/132/33kV Gwagwalada Transmission Substation. The transformer was taken out of service at 12:17 p.m. to enable TCN’s maintenance crew to carry out annual preventive maintenance on the transformer and its accessories. During the maintenance exercise, power supply was interrupted for only 10 minutes before the commencement of the maintenance and 10 minutes after its completion. Areas affected during the short outage period include parts of Kuje Road, Kuje Town and environs, Kwali Express Road, Kwali Town, Dobi Village, Giri, UniAbuja, Pegi, Gwako, Gosa and environs. TCN appreciates the understanding and cooperation of electricity consumers during the maintenance exercise. Signed: Management Transmission Company of Nigeria, TCN 17/10/26 #tcnnigeria #electricity

NOTICE OF PLANNED MAINTENANCE AT 132/33kV KATAMPE 1 TRANSMISSION SUBSTATION   The Transmission Company of Nigeria (TCN) wishes to inform the public that its maintenance crew will carry out scheduled maintenance on one of its 60MVA power transformers and its associated switchgear at Katampe 132/33kV Transmission Substation on Saturday, October 17, 2026, from 10.00am to 4.00pm.   Consequently, Abuja Electricity Distribution Company (AEDC) are unable to off-take electricity for onward supply to customers in parts of Katampe Main, Katampe Extension, Jahi and environs during the maintenance period.   TCN apologises for any inconvenience this may cause electricity customers in the affected areas. Signed: Management Transmission Company of Nigeria, TCN 17/10/2026 #tcnnigeria #electricity