Environmental and Social Impact Assessment (ESIA) Report for the Proposed 132 kV Transmission Expansion in Unguja Island, Zanzibar.

Project Description

The Revolutionary Government of Zanzibar (RGoZ) received a grant from the Arab Bank for Economic Development in Africa (BADEA) for conducting a feasibility Study for a 132kV Transmission expansion and its associated substations project in Unguja, Zanzibar. Zanzibar Electricity Corporation (ZECO) is the only institution responsible for integrating utility, generation, importation, distribution and reticulation of electrical power in Zanzibar. Thus, ZECO procured consultancy services from SHAKER Consultancy Group for a feasibility study for a 132kV Transmission expansion project Environmental and Social Impact Assessment (ESIA).


The proposed 132kV overhead Transmission Line (TL) project will be implemented in three regions (Urban West Region, North Region and South Region). It will start from a tapping point at Welezo Gantry through military areas (A1 to A4) traverse a 33kV RoW through A5 to A 11 (about 8km within Hawaii, Michikichini, Mwembe Mchomeke, Mtofaani and Mwera Shehias). The transmission line will end at Ubago connection point (in Ubago Shehia). The distance from Welezo Gantry to the connection point is 9.5km. From Ubago the line splits into the North route to 132/33kV Matemwe Substation and the South route to Makunduchi 132/33kV Substation.


From the connection point at Ubago the North route Transmission Line (TL) traverse RoW N1 to N10 (within Ubago, Koani, Dunga Bweni, Dunga Kiembeni, Mpapa, Bambi, Mchangani, Tunduni, Kilombero, Pangeni, Upenja Kinyasini, Chaani Mcheza Shauri, Chaaani Kubwa, Kikobweni, Chaani Masingini, Gamba, and Matemwe Kusini Shehias). The north route is 35.8km long.


The South route traverse RoW S1 to S15 (within Tunguu, Ndijani, Unguja Ukuu Kaebona, Pete, Kitogani, Muungoni, Muyuni A, Muyuni C, Kibuteni, and Nganani/Makunduchi Shehias). It passes outside Jozani Forest Reserve (600m from Jozani Forest Reserve’s boundary), then crosses mangrove areas for about 300m at Pete Inlet bay at Kitogani Shehia to Makunduchi substation in Makunduchi Shehia. The south route is 48.1km long.

For more details about the ESIA report please find the attached document.