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October 8, 2021

Arusha Substation – Upgrade – 400/220 kV – Phase III, Tanzania

By Carmen

Arusha Substation – Upgrade – 400/220 kV – Phase III is a 400kV substation located in Arusha, Arusha, Tanzania.

The Arusha Substation – Upgrade – 400/220 kV – Phase III project’s construction is expected to begin in 2039. The works are expected to be commissioned in 2040.


Arusha Substation – Upgrade – 400/220 kV – Phase III project, which is an upgrade substation, will be operated by Tanzania Electric Supply.

The designed voltage level of the substation is 400/220kV and the operating voltage level is 400/220kV.

The step-in voltage of the project is 400kV and the step-out voltage is 220kV. Upon completion, the substation will have a capacity of 900MVA.

Arusha Substation – Upgrade – 400/220 kV – Phase III project development status

The project is expected to be commissioned in 2040. Approximately $47.28m was financed by the authorities to undertake the construction works of the project.

About Tanzania Electric Supply

Tanzania Electric Supply Co Ltd (TANESCO), formerly Tanganyika Electric Supply Co Ltd, is a government owned integrated power company. The company’s operations are regulated by the Ministry of Energy and Minerals. It generates, transmits, distributes and supplies electricity. TANESCO generates the power through hydro and thermal power stations. TANESCO also procures electricity from independent power producers and EPPs. Its transmission system consists of 50 substations interconnected by transmission lines, and the distribution system distributes electricity and provides customer service.


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.

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