Bolarque Dam
Bolarque Dam (Spanish: Presa de Bolarque) is a concrete gravity dam on the Tagus in Spain, where the river forms the border between the provinces of Cuenca and Guadalajara. About 6 km downstream from the dam is the José Cabrera Nuclear Power Station.
| Bolarque Dam | |
|---|---|
Location of Bolarque Dam in Spain | |
| Official name | Presa de Bolarque |
| Location | Cuenca and Guadalajara, Spain |
| Coordinates | 40.362156°N 2.818685°W |
| Purpose | Power |
| Status | Operational |
| Opening date | 1910 |
| Owner(s) | Unión Fenosa |
| Operator(s) | Unión Fenosa |
| Dam and spillways | |
| Type of dam | Concrete gravity dam |
| Impounds | Tagus |
| Height (foundation) | 36 m (118 ft) |
| Length | 292 m (958 ft) |
| Elevation at crest | 643 m (2,110 ft) |
| Dam volume | 160,000 m3 (5,700,000 cu ft) |
| Spillway type | Over the dam |
| Spillway capacity | 1,700 m3/s (1.4 acre⋅ft/s) |
| Reservoir | |
| Total capacity | 30,710,000 m3 (24,900 acre⋅ft) |
| Active capacity | 23,000,000 m3 (19,000 acre⋅ft) |
| Surface area | 5.1 km2 (2.0 sq mi) |
| Operator(s) | Unión Fenosa |
| Commission date | Bolarque I: 1910 Bolarque II: 1974 Bolarque III: 2010 |
| Hydraulic head | Bolarque I: 42 m (138 ft) (max) Bolarque II: 269.5 m (884 ft) |
| Turbines | Bolarque I: 2 x 14 MW Francis-type Bolarque II: 4 x 52 MW Francis-type |
| Installed capacity | Bolarque I: 28 MW Bolarque II: 208 MW Bolarque III: 4,2 MW |
Work on the dam began in 1907. In 1908 more than 1300 workers were employed at the construction site. The dam was officially inaugurated on June 23, 1910 by king Alfonso XIII. It is owned by Unión Fenosa.
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