Vilar Dam (Portuguese: Barragem de Vilar, also known as Barragem de Vilar-Tabuaço) is an embankment dam on the Távora, a left (southern) tributary of the Douro. It is located in the municipality Tabuaço, in Viseu District, Portugal.
Construction of the dam began in 1958 and was completed in 1965. It is owned by Companhia Portuguesa de Produção de Electricidade (CPPE) and is used for power generation. [1]
Vilar Dam is a 58 m tall (height above foundation) and 240 m long rockfill embankment dam with a crest altitude of 555 m. The upstream facing of the dam is made of concrete. The volume of the dam is 300,000 m³. The chute spillway with 2 radial gates is located at the right side of the dam. The maximum discharge is 500 m³/s. There is also a bottom outlet. [1]
At full reservoir level of 552 m the reservoir of the dam has a surface area of 6.7km² and a total capacity of 99.75 mio. m³. The active capacity is 95.27 (95.3 [2] or 96 [3] ) mio. m³. [1] With the 95.3 mio. m³ of water 115.6 GWh can be produced. [2]
The hydroelectric power plant was commissioned in 1965. [2] [3] [4] [5] It is operated by EDP. The plant has a nameplate capacity of 58 [2] [4] (64) [1] [3] [5] MW. Its average annual generation is 137.6 [2] (123 [4] or 148 [1] [3] [5] ) GWh.
The power station contains 2 Pelton turbine-generators (vertical shaft) with 32.65 MW (40 MVA) in an underground powerhouse 350 [5] m below the surface, located 15.6 [4] km from the dam. The turbine rotation is 500 rpm. The minimum hydraulic head is 432.5 m, and the maximum 461 m. Maximum flow per turbine is 9 m³/s. [2]
Picote Dam is a concrete arch dam on the Douro, located in the municipality Miranda do Douro, in Bragança District, Portugal.
Bemposta Dam is a concrete arch dam on the Douro, where the river forms the national border line between Spain and Portugal. It is located in the municipality Mogadouro, in Bragança District, Portugal.
Miranda Dam is a concrete buttress dam on the Douro, where the river forms the national border line between Spain and Portugal. It is located in the municipality Miranda do Douro, in Bragança District, Portugal.
Aguieira Dam also known as Foz do Dão Dam is a concrete multiple arch dam on the Mondego River, where the river forms the border line between the districts of Coimbra and Viseu. It is located in the municipality Penacova, in Coimbra District, Portugal.
Cabril Dam is a concrete double curvature arch dam on the Zêzere River, where the river forms the border line between the districts of Castelo Branco and Leiria. It is located in the municipality Sertã, in Castelo Branco District, Portugal.
Carrapatelo Dam is a concrete gravity dam on the Douro, where the river forms the borderline between the districts of Porto and Viseu. It is located in the municipalities of Marco de Canaveses, in Porto District, and Cinfães, Viseu District, Portugal.
Alto Lindoso Dam is a concrete double curvature arch dam on the Lima River. 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. The reservoir created by the dam is known as Alto Lindoso reservoir or Lindoso reservoir.
Alto Rabagão Dam is a concrete dam on the Rabagão River, a left tributary of the Cávado River. It is located in Peneda-Gerês National Park, in the municipality Montalegre, in Vila Real District, Portugal.
Fratel Dam is a concrete gravity dam on the Tagus, where the river forms the border line between the districts of Castelo Branco and Portalegre. It is located in the municipality Vila Velha de Ródão, in Castelo Branco District, Portugal.
Belver Dam is a concrete gravity dam on the Tagus, where the river forms the border line between the Portuguese districts of Portalegre and Santarém. It is located in the municipality Gavião, in Portalegre District.
Bouçã Dam is a concrete double curvature arch dam on the Zêzere River, where the river forms the border line between the districts of Castelo Branco and Leiria. It is located in the municipality Pedrógão Grande, in Leiria District, Portugal.
The Caniçada Dam is a concrete arch dam on the Cávado River, the civil parish of Parada do Bouro, in the municipality of Vieira do Minho, in the Portuguese Norte. It is owned by Companhia Portuguesa de Produção de Electricidade (CPPE).
Salamonde Dam is a concrete arch dam on the Cávado River, where the river forms the border line between the districts of Braga and Vila Real. It is located in the municipality Vieira do Minho, in Braga District, Portugal.
Pocinho Dam is a concrete gravity dam on the Douro, where the river forms the border line between the districts of Guarda and Bragança. It is located in the municipality Vila Nova de Foz Côa, in Guarda District, Portugal.
Valeira Dam is a concrete gravity dam on the Douro, where the river forms the border line between the districts of Viseu and Bragança. It is located in the municipality São João da Pesqueira, in Viseu District, Portugal.
Régua Dam is a concrete gravity dam on the Douro, where the river forms the border line between the districts of Vila Real and Viseu. It is located in the municipality Peso da Régua, in Vila Real District, Portugal.
Crestuma–Lever Dam is a concrete gravity dam on the Douro. It is located in the municipality Vila Nova de Gaia, in Porto District, Portugal.
Touvedo Dam is a concrete gravity dam on the Limia. It is located in the municipality Ponte da Barca e Arcos de Valdevez, in Viana do Castelo District, Portugal.
Raiva Dam is a concrete gravity dam on the Mondego. It is located in the municipality Penacova, in Coimbra District, Portugal.
Pracana Dam is a concrete buttress dam on the Ocreza, a right (northern) tributary of the Tagus. It is located in the municipality Mação, in Santarém District, Portugal.