The Transmission Company of Nigeria (TCN) has suffered a major infrastructure setback following the collapse of three transmission towers along the Karu-Keffi-Akwanga 132 Kilovolt (kV) transmission line corridor.
The affected structures are Towers T78, T79 and T80, according to a statement issued by TCN in Abuja on Thursday.
The company said the incident had rendered all 33kV outgoing feeders at the 132/33kV Keffi and 132/33kV Akwanga transmission substations unavailable, disrupting bulk electricity supply to customers connected to the affected substations.
TCN explained that the incident occurred at about 4:06 p.m. on Wednesday, when the 132kV Karu-Keffi-Akwanga single-circuit transmission line tripped on overcurrent relay protection during heavy rainfall.
“Investigations revealed that three transmission towers had collapsed and TCN promptly isolated for safety,” the company stated.
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Following the isolation of the affected section, all 33kV outgoing feeders at the Keffi and Akwanga transmission substations became unavailable.
“No load can therefore be nominated on the affected feeders in the interim,” TCN said.
The company noted that restoration of electricity supply would depend on the repair and reconstruction of the damaged transmission infrastructure.
TCN said its engineers had been deployed to the affected locations to assess the extent of the damage and determine the materials and other requirements needed to commence restoration work.
The company assured affected electricity consumers that it was making efforts to restore bulk power supply as quickly as possible.
“TCN regrets the inconvenience this development will cause electricity customers taking supply from substations affected by the incident. Please bear with us as we make every effort to ensure that necessary repairs are completed as quickly as possible to enable the restoration of the bulk power supply,” it said.
