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    Alqueva dam

    Concrete dam measuring 96 m high.

    The largest capacity dam in Europe with 4,150 hm3.

    Construction of a conventional concrete vaulted dam (double curvature) with a maximum height of 96 m on its foundations and a total length of 485 m. It Includes two surface channel spillways, two half-bottom spillways, all with terminal "ski jump" structure; a bottom drain of up to 160 m3/s and five towers for the two half-bottom drains, a bottom drain and two water intakes for the hydroelectric power plant.

    The project included the construction of a hydroelectric power plant at the foot of the reservoir for two reversible groups of 135 MW each. An intake tower was also built, as well as has half-bottom drain bodies, taking advantage of the current diversion tunnel.

    It is the largest capacity reservoir in Europe with 4,150 hm3 and is mainly intended for the irrigation of 110,000 ha. in the Portuguese region of Alentejo. This strategic water reserve creates an artificial lake of 250 km2, 1,100 km of margins and a line of 82 km, leading to the town of Badajoz.

    General Information

    Location
    Alqueva – Badajoz, Portugal - Spain
    Contract type
    Construction
    Infrastructure
    Conventional concrete vaulted dam (double curvature) with a maximum height of 96 m on its foundations and a total length of 458 m, with a reversible hydroelectric plant of 240 MW. The largest capacity reservoir in Europe with 4,150 hm3
    Year of project completion
    2002

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