Ecuador takes bids to study, design 4,000-MW Zamora complex

Ecuador’s Ministry of Electricity and Renewable Energy took bids November 5 to perform studies and detailed design of the 4,000-MW Zamora hydroelectric complex on Ecuador’s Zamora and Namangoza rivers.

The ministry plans to contract with a consultant to perform technical and economic pre-feasibility and feasibility studies as well as detailed design of the Zamora complex (Lower Course), which could include 20 hydroelectric projects, 90 percent of which would be in Morona Santiago Province. The ministry called Zamora the largest and most important hydroelectric development in Ecuador.

Although the budget allocated for the work is US$29.45 million, the ministry said it would invest US$40 million to complete the studies and final design. Funds are to come from Ecuador’s energy and hydrocarbon investment fund, Fondo Ecuatoriano de Inversion en los Sectores Energetico e Hidrocarburifero (FEISEH).

The ministry said the studies initially will focus on the most important project in the complex, the 1,200-MW San Juan Bosco hydro project. The consultant is to perform additional geological, geophysical, and geotechnical studies of the San Juan Bosco site. If the site proves unsatisfactory, the consultant is to recommend a new location for the project.

Once the San Juan Bosco site is established, a pre-feasibility study is planned between it and the confluence of the Zamora and Namangoza rivers outlining technical and economic aspects of the functioning of the hydraulic system as a whole. The consultant is to submit alternative hydro developments.

The consultant also is to develop final technical specifications, an economic evaluation, and terms of reference and documents for recruitment of construction companies for the project.

For information, contact Ing. Julio Gordon L., Presidente de la Comision Tecnica de Consultoria, Subsecretaria de Gestion de Proyectos, Ministerio de Electricidad y Energia Renovable, Avda. Eloy Alfaro 29-50 y 9 de Octubre, Piso 5, Edificio Beltran, Quito, Ecuador; E-mail:; Internet:

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