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Portugal utility, developer to build 78-MW Ribeiradio/Ermida

EDP Producao and Eviva Energy S.A. have won a concession competition for construction and operation of the 78-MW Ribeiradio/Ermida hydroelectric development on Portugal's Vouga River.

Earlier this year, EDP Producao, a unit of utility Energias de Portugal, and Eviva Energy, a development subsidiary of the Martifer holding company, signed an agreement for joint development of hydroelectric projects in Portugal's Vouga and Paiva river basins. (HNN 6/28/07)

Martifer announced December 17 that Portugal's water agency, Instituto da Agua, made the provisional award following a public tender in November.

The joint venture, owned 55 percent by EDP Producao and 45 percent by Eviva, is expected to invest 123 million euros (US$176.8 million) in the project.

The hydroelectric development is to include the 75-meter-tall Riberaido Dam and 29.5-meter-tall Ermida Dam, which are to generate 129 gigawatt-hours annually and to provide flood control, water supply, and irrigation.

Ribeiradio/Ermida is the first project undertaken by the partnership to identify, analyze, and eventually develop opportunities for joint execution of hydro plants in the two basins.

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