Bank seeks study of climate change effects on Tanzania hydropower

The World Bank invites expressions of interest from consultants to study the sustainability of hydropower in Tanzania in relation to fears of future climate change. Responses are due September 13.

Tanzania’s draft national climate change strategy suggests Tanzania’s water resources and hydropower development are vulnerable to possible climate change. The World Bank said hydropower projects there have failed to deliver power during a number of recent low rainfall years.

“This has caused a strong perception that climate change has made conditions drier in catchment areas and that hydropower development is risky because of current climate variability and future climate change,” the bank said. “However, multiple other variables linked to hydro infrastructure and watershed management have not been adequately considered in these assumptions.”

The bank said an assessment of hydro sustainability would guide the government in implementing master plans for hydropower in the next 30 years. Tanzania has numerous hydro projects under consideration or development, including 90-MW Rusumo Falls, 388-MW Ruhudji, 222-MW Rumakali, and 2,100-MW Stiegler’s Gorge, as well as projects on the Kagera River and many small hydro projects.

The World Bank seeks consultants to assess the sustainability of existing and identified hydropower schemes, including effects of climate change on future power production, upstream effects of human activity on hydro production, and proposals for adaptation investments and capacity development.

Expressions of interest in English are due September 13, electronically via the World Bank’s eConsultant2 Internet site, The solicitation notice is available on the website under Business Opportunities, Selection No. 1083511.

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