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Dams, Power - Hydro Links: www.latvenergo.lv
By: AlbinoFlea
Riga HPP is the most recent of the three hydropower plants on the river Daugava. The first stage of the Daugava hydropower plants cascade was built on the island Dole, 35 km from the Daugava mouth. The construction of Riga HPP was started in 1966, the first hydroaggregate was put into operation in 1974, and in 1976 the hydropower plant was operated at full capacity. Clay and dolomite form the foundation of the hydrotechnical constructions.
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Number of hydro aggregates: 6
Maximum head, m: 18
Dam length, m: 15400
Multiple annual average flow , m3/s: 640
Water reservoir capacity , million m3: 324,6
