# TCN substation maintenance in Nigeria

> Live situation record from CLSTR: https://clstr.news/situations/tcn-substation-maintenance-in-nigeria
> Updated: 2026-09-04T08:23:29.000Z. Sources: 4. Developments: 2.

The Transmission Company of Nigeria (TCN) initiated scheduled annual preventive maintenance at the Sagamu Transmission Substation on September 3, 2026. The work involves two 30MVA, 132/33kV power transformers and is expected to cause daily seven-hour power disruptions for customers within the Ibadan Electricity Distribution Company (IBEDC) franchise area, including locations such as CEPLASS, NNPC/Ogijo, Metafrique, and Babcock.

In addition to the Sagamu maintenance, TCN announced urgent repairs at the Katampe Substation in Abuja to address an oil leakage from a 330/132/33 kilovolt transformer. This separate maintenance is scheduled for a Saturday between 10:00 a.m. and 7:00 p.m., impacting electricity circuits served by the Abuja Electricity Distribution Company (AEDC).

## Timeline

### 2026-09-04: Transmission Company of Nigeria announces substation maintenance

The Transmission Company of Nigeria is conducting maintenance at the Sagamu and Katampe substations, leading to temporary power disruptions for IBEDC and AEDC customers.

3 sources. https://clstr.news/cluster/transmission-company-of-nigeria-announces-substation-maintenance

### 2026-09-02: Transmission Company of Nigeria announces Sagamu power maintenance

The Transmission Company of Nigeria is conducting preventive maintenance at the Sagamu Transmission Substation, causing scheduled power outages in parts of Ogun State.

2 sources. https://clstr.news/cluster/transmission-company-of-nigeria-announces-sagamu-power-maintenance

---
Cite as: TCN substation maintenance in Nigeria. CLSTR, https://clstr.news/situations/tcn-substation-maintenance-in-nigeria