Tanzania Electric Supply Company Limited (TANESCO) has invited prequalification bids for the design, supply and installation of 400 kV substations at Iringa, Kisada, Mbeya, Tunduma and Sumbawanga, under the Tanzania–Zambia Transmission Interconnector Project (TAZA).
The contract involves the extension of the existing 220/33 kV Iringa substation to 400/220/33 kV, and construction of the new 400/220/33 kV Kisada, Mbeya and Tunduma substations and the 400/220/66/33 kV Sumbawanga substation. The last date for submission of bids is November 15, 2021. The larger TAZA project entails the construction of the 298-km-long, 330 kV Kabwe–Pensulo line; the 200-km, 330 kV Pensulo–Mpika line; the 200-km, 330 kV Mpika–Kasama line; the 212- km, 330 kV Kasama–Nakonde line; and the 14- km, 400 kV Nakonde–Tunduma double-circuit line in Zambia. TAZA is estimated to cost USD605 million and is being jointly funded by the World Bank, Agence Française de Développement (AFD) and the European Commission (EC).