Electricity Infrastructure

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Electricity Infrastructure

EWURA regulates the Electricity Supply Industry in Tanzania Mainland which is mainly dominated by Tanzania Electric Supply Company Limited (TANESCO) a vertically integrated utility, wholly owned by the Government of the United Republic of Tanzania operating in electricity generation, transmission, distribution, supply and cross border electricity trading activities.  Apart from TANESCO, there are six licenced entities participating in electricity generation  activities for sale.

In addition, there are thirteen licenced entities , which generate electricity for, own use. Furthermore, there are three registered entities  generating electricity from hydro for sale in bulk to TANESCO.

There are also six registered entities  with capacity less than 1MW, which generate electricity from solar PV and sell electricity to customers through mini grids developed in off-grid areas. Whilst, two registered entities  generate electricity for own use.

(a) Generation

The Authority regulates electricity generation activities, whereby; as of June 2021,  total installed capacity (MW) for entities carrying out electricity activities for sale was 1,608.46MW of which 1,573.65MW was from main grid and 34.805MW from off-grids.

(b) Transmission

The electricity transmission network comprised of 5,896km of transmission lines and 58 grid substations mainly owned and operated by Tanzania Electric Supply Company Limited (TANESCO). The main transmission lines include 670km of 400kV; 3,011km of 220kV; 1,672.57km of 132kV and 543km of 66kV.

(c) Distribution

The electricity distribution network for licensed entities is 139,513.86km, of which 139,092.86km is for TANESCO and 421.00km  for Mwenga Power Services Limited. Additionally, there are  447.72km electricity distribution network for registered entities.

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