Power supply has been disrupted in parts of Port Harcourt and surrounding areas following a labour-related incident at the Afam IV Power Station.
The Transmission Company of Nigeria (TCN) said in a Tuesday statement that the disruption began on Monday, September 28, 2026, after 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.
According to TCN, the action was tied to an ongoing labour dispute between Afam IV Gas Power Station management and NUEE.
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The company said the incident caused the 150MVA 330/132kV inter-bus transformer at Afam IV to trip, disrupting bulk electricity transmission to parts of Port Harcourt and its environs.
Facilities affected 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 said it is engaging relevant stakeholders, including the Nigerian Independent System Operator (NISO), to restore the affected facilities as soon as it is safe to do so. The company expressed regret over the inconvenience caused to consumers in the affected areas and said it would provide further updates as the situation develops.
