The Transmission Company of Nigeria (TCN) says some parts of the north-east will experience a five-day blackout due to construction on the 330 kilovolt (kV) Jos-Bauchi-Gombe transmission line.
In a statement on Wednesday, Ndidi Mbah, the TCN’s spokesperson, said the construction is aimed at connecting the new Bauchi 330 kV transmission substation to the grid.
The commission said Bauchi and Gombe states, and some parts of Yobe and Borno would be affected.
“The Transmission Company of Nigeria (TCN) has commenced the construction of a turn-in-turn-out along the 330kV Jos-Bauchi-Gombe transmission line to connect the new Bauchi 330kV Transmission Substation to the grid,” the statement reads.
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According to the TCN, work began on “June 10, 2025 and is expected to be completed by June 14, 2025″.
“During the construction period, Gombe and Biu Transmission Substations will receive power through the Dadin-Kowa Hydro Power Plant and Maiduguri Substation, supported by the Maiduguri Emergency Power Plant (MEPP),” the commission said.
“As a result, there will be a temporary reduction in bulk electricity supply to Jos and Yola Electricity Distribution Companies for onward distribution to their customers in Bauchi, Gombe, Ashaka, Savannah, Damaturu/Potiskum, and Biu. Only Yola and Jalingo will, however, experience full power outages during the five-day project duration.”
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The TCN said a new transmission tower is also being installed to enhance the network’s resilience and flexibility.
This, the commission said, would allow the Bauchi and Gombe substations to serve as mutual backups in case of maintenance or faults.
“Additionally, Jos will be able to supply Bauchi Substation directly through a 132kV transmission line whenever the primary 330kV connection via Gombe is unavailable,” the TCN said.
“This arrangement enhances power reliability, diversifies transmission routes, and improves emergency response efficiency.
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“TCN remains committed to strengthening Nigeria’s electricity infrastructure to facilitate a more stable and effective bulk power supply.”
The company appealed for the patience of affected consumers during the period and assured that normal electricity delivery would resume immediately after the project’s completion.
