Concrete dam on the Lima River in northern Portugal. It is 100 m long and it divides the river bed between two hills. As a result of its construction, a small reservoir was created. A hydroelectric power plant operates in the dam. It is located in the municipality Ponte da Barca, in Viana do Castelo District, Portugal. The dam lies in Peneda-Gerês National Park close to the border with Spain. Construction of the dam began in 1983. The dam was completed in 1992. It is owned by Companhia Portuguesa de Produção de Electricidade (CPPE). The dam is used for power production.
Alto Lindoso Dam is a 110 m tall (height above foundation) and 297 m long double curvature arch dam with a crest altitude of 339 m. The width at the base is 21 m (crest 4 m). The volume of the dam is 308,500 m³. The dam contains 2 shaft spillways with 3 gates each (combined maximum discharge 2,760 m³/s) and 2 bottom outlets (combined maximum discharge 400 m³/s).
At full reservoir level of 338 m (maximum flood level of 339 m) the reservoir of the dam has a surface area of 1.05 (10.72) km² and ist total capacity is 379.01 mio. m³. Ist active capacity is 347.91 (270) mio. m³. Minimum operating level is 280 m. With the 347.9 mio. m³ water 224.6 GWh can be produced.
The power station contains 2 Francis turbine-generators with 317 MW (350 MVA) each in an underground powerhouse 340 m below the surface. The turbine rotation is 214.3 rpm. The minimum hydraulic head is 227 m, the maximum 288 m. Maximum flow per turbine is 125 m³/s.
Alto-Lindoso Dam: Local name: Barragem do Alto-Lindoso. Concrete dam on the Lima River in northern Portugal. It is 100 m long and it divides the river bed between two hills.
Lower reservoir for Alto Lindoso the reservoir of Touvedo dam is used, which is connected via a tailrace tunnel with a length of 4,883 m.
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