Onitsha – New Haven Line is a 330kV overhead line with a length of 96km from Onitsha, Anambra, Nigeria, to New Haven, Enugu, Nigeria.

Construction works on the Onitsha – New Haven Line started in 2018 and the project was commissioned in 2019.


The Onitsha – New Haven Line, which is an overhead line, is being operated by Transmission Company Of Nigeria. The Onitsha – New Haven Line is an upgrade line. The line carries alternating current (AC) through double circuit cable.

Onitsha – New Haven Line project development status

The development of the Onitsha – New Haven Line project was approved by Nigerian Electricity Regulatory Commission in 2018 and the project works were completed in 2019.

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By GlobalData

About Transmission Company Of Nigeria

Transmission Company Of Nigeria is a national electric power authority as a product of the merger of the transmission and operations sectors. It provides a electricity transmission network. It is headquartered in Abuja, Nigeria.


All publicly-announced T&D Line & Substation projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects is sourced through secondary information sources such as country specific utility players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.