Official name Barragem da Caniçada Status Operational Address Rio Cávado, Portugal Impound Cávado River | Purpose Power Opening date 1955 Surface area 6.89 km² | |
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Location municipality Terras de Bouro, Braga District, Portugal Owner(s) Companhia Portuguesa de Produção de Electricidade Similar Peneda‑Gerês National Park, Cascata do Arado, Salamonde Dam, Portela del Hombre, Alto Rabagão Dam | ||
Cani ada dam discharge aerial view ger s
Caniçada Dam (Portuguese: Barragem da Caniçada) is a concrete arch dam on the Cávado River. It is located in the municipality Terras de Bouro, in Braga District, Portugal.
Contents
The dam was completed in 1955. It is owned by Companhia Portuguesa de Produção de Electricidade (CPPE).
DamEdit
Caniçada Dam is a 76 m tall (height above foundation) and 246 m long arch dam with a crest altitude of 163 m. The volume of the dam is 90,000 m³. The dam features a spillway with 4 gates over the dam (maximum discharge 1,700 m³/s) and one bottom outlet (maximum discharge 142 m³/s).
ReservoirEdit
At full reservoir level of 162 m the reservoir of the dam has a surface area of 6.89 (5.78) km² and a total capacity of 170.6 mio. m³; its active capacity is 159.3 (144,4) mio. m³. With the 144,4 mio. m³ water 32 GWh can be produced.
Power plantEdit
The hydroelectric power plant went operational in 1954. It is operated by EDP. The plant has a nameplate capacity of 62 (60 or 100) MW. Its average annual generation is 337.4 (283, 345 or 346) GWh.
The power station contains 2 Francis turbine-generators with 31 MW (34 MVA) each in an underground powerhouse 134 m below the surface. The turbine rotation is 300 rpm. The minimum hydraulic head is 77 m, the maximum 121 m. Maximum flow per turbine is 34 m³/s. The turbines and generators were provided by Voith.