Blackout: TCN explains cause of power outage in Port Harcourt, Rivers

The Transmission Company of Nigeria, TCN, has explained why there is a power outage in parts of Port Harcourt, Rivers State.

TCN, in a statement on Tuesday, said the area is experiencin electricity disruption following a labour-related incident at Afam IV Power Station.

According to TCN, the disruption started on Monday, September 28, 2026, when members of the National Union of Electricity Employees, NUEE, Rivers State Chapter, opened the Afam–Alaoji 330kV Transmission Line 2 at the Alaoji 330kV Transmission Substation.

“The action is linked to an ongoing labour dispute involving the management of Afam IV Gas Power Station and NUEE.

“Consequently, the 150MVA 330/132kV inter-bus transformer at Afam IV tripped, affecting bulk electricity transmission to parts of Port Harcourt and its environs.

“The affected transmission facilities include the Port Harcourt Town 132kV Transmission Substation, Elelenwo 132kV Transmission Substation, and the 60MVA 132/33kV transformer at the Port Harcourt Mains 132kV Transmission Substation.

“TCN is engaging relevant stakeholders, including the Nigerian Independent System Operator (NISO), to restore the affected facilities as soon as conditions allow safe restoration.

“TCN regrets the inconvenience caused to electricity consumers in the affected areas and will continue to provide updates as the situation develops,” TCN stated.