Morocco seeks construction of 412-MW Abdelmoumen pumped-storage

Morocco utility Office National de l’Electricite (ONE) invites expressions of interest in turnkey construction of the 412-MW Abdelmoumen pumped-storage project on Morocco’s Issen River (Oued Issen). Responses are due April 9.

The European Investment Bank (EIB) has approved 150 million euros (US$221 million) in financing to Morocco for construction of Abdelmoumen, referred to by the acronym STEP, and two other hydro developments. (HNN 1/7/08)

The pumped-storage project entails construction of a 1.3 million-cubic-meter upper reservoir on the Tamrarht plateau and a three-kilometer penstock to a powerhouse containing two 206-MW reversible vertical Francis turbine-generators. The existing 1.3 million-cubic-meter reservoir at the existing Abdelmoumen Dam is to serve as the project’s lower reservoir.

ONE seeks expressions of interest by April 9, extended from March 26, for turnkey studies, civil engineering, supply and installation of equipment, and commissioning of the project.

Specifications may be obtained from the ONE Internet site,, or from the address below.

Expressions of interest, in French, are due to the address below by 9 a.m. April 9. ONE plans to invite short-listed bidders to obtain tender documents in May. Bids would be due in September, followed by a contract award in January 2009. The project is to be commissioned by May 2012.

For information, contact Office National de l’Electricite, Direction Generale, Bureau des depots des offres, 65 Rue Othman Ben Affan, B.P. No. 13 498, 20000 Casablanca, Morocco; E-mail:; Internet:


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