| Bemposta Dam | |
|---|---|
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  Location of Bemposta Dam in Portugal | |
| Official name | Barragem de Bemposta |
| Location | municipality Mogadouro, Bragança District, Portugal |
| Coordinates | 41°18′3.2″N 6°28′11.6″W / 41.300889°N 6.469889°W |
| Status | Operational |
| Construction began | 1957 |
| Opening date | 1964 |
| Owner(s) | Companhia Portuguesa de Produção de Electricidade |
| Dam and spillways | |
| Type of dam | Concrete arch dam |
| Impounds | Douro |
| Height | 87 m (285 ft) |
| Length | 297 m (974 ft) |
| Width (crest) | 3.5 m (11 ft) |
| Dam volume | 316,000 m3 (11,200,000 cu ft) |
| Spillway type | Over the dam |
| Spillway capacity | 11,500 m³ |
| Reservoir | |
| Total capacity | 129,000,000 m3 (105,000 acre⋅ft) |
| Active capacity | 20,000,000 m3 (16,000 acre⋅ft) |
| Surface area | 4.05 km2 (1.56 sq mi) |
| Maximum water depth | 402 m (1,319 ft) |
| Power Station | |
| Operator(s) | Energias de Portugal |
| Commission date | Bemposta I: 1964 Bemposta II: 2011 |
| Hydraulic head | Bemposta I: 71 m (233 ft) (max) Bemposta II: 65 m (213 ft) (static) |
| Turbines | Bemposta I: 3 x 79.5 MW Francis-type Bemposta II: 191 MW Francis-type |
| Installed capacity | Bemposta I: 240 MW Bemposta II: 191 MW |
| Annual generation | Bemposta I: 924.1 GWh Bemposta II: 134 GWh |
Bemposta Dam (Portuguese: Barragem de Bemposta) 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.
Construction of the dam began in 1957. The dam was completed in 1964. It is owned by Companhia Portuguesa de Produção de Electricidade (CPPE).[1]