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Barely a week after it announced the delivery of some transmission equipment spare parts at its Port-Harcourt Regional Office in Rivers State, the Transmission Company of Nigeria (TCN) has disclosed that it took delivery of a new 300MVA 330/132/33kV power transformer at its Lekki 330/132/33kV Transmission Substation on April 30, 2023, the latest addition of new transformers delivered to the substation.

Earlier, the substation received two brand new 60/75MVA power transformers in February and three heavy-duty truckloads of transformer components in January, 2023, among others.

The company’s General Manager, Public Affairs, Ndidi Mbah, in a statement noted that the TCN Management through its Lagos Region has continued to ensure prompt execution of transmission projects within the region.

“This entails the upgrade or total overhaul of its equipment where needed to achieve a more effective and efficient bulk transmission of electricity to the distribution load centers of the Ikeja and Eko DisCos and reduce to minimal, downtime that would have resulted from equipment failure.

“The Region equally undertakes the prompt maintenance of equipment to further preserve its lifespan”, she said.

On installation, the 300MVA 330/132/33kV power transformer will add 240MW to the Lekki Substation capacity.

“Presently, arrangements are being made to put the transformer on the plinth to enable its installation”, the statement added.

Meanwhile, under Lagos Region, several substations and line projects have been completed in the last one year, some of these include: Reconductoring and commissioning of the New Ikorodu/Shagamu 132kV line, Installation of 1x60MVA transformer at Egbin 132kV Substation, Installation of new 60MVA 132/33kV transformer at Itire 132kV Substation, Diversion of Aja/Egbin 330kV lines 3 & 4 to Aja/Omotosho/Epe 330kV lines 1&2, and Replacement of three defective circuit breaker interrupter of T1 45MVA transformer secondary circuit breaker.

“The Region has equally changed several other circuit breakers in different areas of the transmission region.

“The Region is equally undertaking several transmission projects, which are at various stages of completion. Some of them are as follows:

— Construction of 2x60MVA 132/33kV Eko Atlantic Transmission Substation

— Installation 300MVA 330/132kV, 2X100/125MVA transformers at Alagbon Substation

— Installation of 300MVA 330/132kV, 2×60/75MVA 132/33kV transformers at Lekki Substation

— Installation of GIS indoor equipment at Akoka Substation

— Installation of 60/75MVA 132/33kV transformer at Akoka Substation

— Installation of GIS indoor equipment at Amuwo Substation

— Installation of 60/75MVA 132/33kV transformer at Amuwo Substation

— Upgrading Ijora 132/33kV Substation with 100/125MVA power transformer

— Installation of additional 100/125MVA at Ijora Substation

— Installation of GIS indoor equipment at Itire 132/33kV Substation

— Reinforcement with 60/75MVA 132/33kV transformer at Itire Substation

— Upgrading with 2×100/125MVA power transformers at Maryland Substation

— Upgrading with 2×100/125MVA transformers at Ota Substation

— Upgrading of Alausa Substation with 1X100/125MVA power transformer

— Conversion of transformer T1-45MVA sec & 3Nos. 33kV feeders indoors to outdoors at Alausa 132/33kV Substation

— SCADA system – installation of grid metering pane for the 132kV & 33kV Circuits at Alausa Substation

— Rehabilitation of the 132/33kV control room at Alausa Substation

— Upgrading of Akoka Substation with 2X60MVA transformer

— Installation of 100MVA power transformer at Ajah Substation

— Installation of 30MVA and 60MVA power transformers at Oworonshoki Substation

— Construction of additional 3x33kV feeder bay at Oworonshoki Substation

— Installation of 100MVA power transformer at Isolo Substation

— Upgrading of Isolo Substation with to 60MVA power transformer

— Upgrading of Isolo Substation with 60MVA power transformer

— Upgrading of Itire Substation with 60MVA power transformer

— Construction of 3Nos. 33kV bays at Ojo Substation

— Upgrading of 2x45MVA with 2x100MVA power transformers at Agbara Substation

— Construction of additional of 3X33kV feeder bays at Agbara Substation

— Installation of additional 1X100MVA, 132/33kV transformer at Oke-Aro Substation.

“TCN Lagos Region also installed several feeder bays in different substations such as Oworonshoki, Oke-Aro, and Egbin, among others. In addition to these, other projects have been proposed to further enhance power transmission within the Region”, the TCN spokesperson said.

TCN Boosts Transmission Capacity of Port-Harcourt Region With Spare Parts

The Transmission Company of Nigeria (TCN) had also announced that it recently received some transmission equipment spare parts at its Port-Harcourt Regional Office, Rivers State.

The company in a statement on Monday explained that the spares were for the prompt replacement of faulty parts and for maintenance in TCN substations within the region.

The parts delivered at the Port-Harcourt Regional Office comprised of Circuit Breakers, Isolators, Batteries, Battery Chargers, Relays, Lightning Arresters, etcetera.

The statement read:

These provide ready maintenance equipment for TCN engineers to respond rapidly to the need to change parts due to fault, in order to ensure minimal equipment downtime and enhance bulk power delivery in substations within the region.

“This is sequel to the massive project implementation drive in the region, which is in line with the ongoing execution of the Nigerian Electricity Grid Maintenance, Expansion and Rehabilitation Programme (NERGMERP) of the present Management of TCN.

“Some of the ongoing and completed projects in Port Harcourt Region are:

Ongoing Projects:

• Construction of 2x60MVA 132kV Substation at Ugep (GF)
• Upgrading of Itu 132kV Substation (BF)

• Rehabilitation /Upgrade of 132/33KV switchyard at Port Harcourt Mains TS

• Expansion of 33kV Switchyard with 3 outgoing feeders at Port Harcourt Mains TS
• Installation of 100MVA 132/33kV power transformer at Port Harcourt Mains TS
• Building of 132KV Control Room at Port Harcourt Town TS
• Construction of new 132kV control building in Afam 1-3
• Construction of 330kV control building in Afam 4 and Afam 5 TS, among others.

• Construction of 2x60MVA 132/33KV Station at Oron

• Construction of 2×30/40MVA 132/33KV Substation at Ididep

Completed Projects:

• Reclamation of TCN RoW between T8-T9 and replacement of stolen counterpoise cables on Onitsha/Alaoji 330kV single line.
• Construction of new 330kV control building in Afam 5
  Construction of junk yard (stores) in Owerri Works Centre
• Mechanized line tracing maintenance on Alaoji-Umuahia 132kV Double Circuit line (T1-T172).
• Mechanized line tracing maintenance on Afam Sub-Region IPP 132kV transmission line (T1-T27)

Proposed Projects:

• Installation of 60MVA 132/33KV Transformer at Rumuosi TS

• Construction of 132/33KV TS at Yenagoa

• Installation of 60MVA Transformers with 4nos feeders at Elelenwo TS

The above listed projects are attestation of TCN’s commitment to expanding the national grid through projects in TCN’s Port-Harcourt Region. It is noteworthy that projects are also ongoing in the ten (10) TCN regions nationwide. Read more.

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