TRANSMISSION Company of Nigeria (TCN) has increased the Alaoji Transmission Substation installed capacity from 450MVA to 750MVA with the completion the installation and commissioning into service, one brand new 300MVA 330/132/33kV power transformer .

This is as the company has also successfully transported a brand new 150MVA, 330/132/33kV power transformer from the port to Kumbotso Transmission Substation in Kano, to replace one of the four 150MVA transformers taken out for repairs.

In a statement by Mrs. Ndidi Mbah, the General Manager, Public Affairs, TCN, obtained by Nigerianflightdeck, the brand new 300MVA power transformer, energised earlier in the month at its Alaoji Transmission Substation had increased the station’s installed capacity from 450MVA to 750MVA.

With the increased power, Alaoji Transmission Substation became the biggest substation in the southern part of the country, adding that it had also made the station consistent with redundancy requirement of N-1.

The company said the development has led to increase capacity to supply Enugu Distribution Company for onward supply to particularly Abia North (Ohafia, Arochukwu, Item, Abriba) Imo State (Okigwe, Arondi-izuogu), parts of Ebonyi and Rivers State.

The statement hinted further that four 132kV substations at Okigwe (Imo state), Mbalano, Ohafia and Arochukwu (Abia State) under construction would also benefit from the newly energized 300MVA transformer.

She added that the newly energised 300MVA transformer would also enhance evacuation of power generated into the 132kV grid network from the Alaoji NIPP and Afam Power Stations.

The installation of the transformer was carried out by Messrs Power Control with active support of TCN engineers in Aba sub-region.

Meanwhile, the new 150MVA, 330/132/33kV power transformer arrived Kumbtso Transmission Substation Kano last Friday from Apapa Port in Lagos.

The company said that installation would commence immediately the transformer was placed on plinth.

According Mbah, the new transformer was an addition to the recently repaired 150MVA power transformer, which got burnt five years ago in Kumbotso substation.

The company reiterated its resolve to consistently contribute its quota in the power supply value chain by persistently upgrading and investing in the nation’s grid network in line with its carefully researched and documented Transmission Rehabilitation and Expansion Programme.

The company further pledged to continue to work towards building a national grid that is comparable to any in the world.


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